Dr. Cristina W. Castillo-Nelson
- Gender: Female
- Experience: 6 years
- Graduated from: University Of California, Irvine, California College Of Medicine
- Graduation year: 2015
- Sole propriator: No
- NPI: 1922495456
Dr. Cristina W. Castillo-Nelson MD
Family Physician
She is located at 2201 Lake Shore Drive East in Ashland, WI 54806. Can help patients with the following: Asthma, Birth Control Counseling, Breastfeeding and Lactation, Fever, Headache, Osteoporosis. Her National Provider Identifier (NPI) number is 1922495456. Appointment can be made via the phone number (218) 249-5555. She is affiliated with 1 practices and 1 hospitals.
Conditions treated
Dr. Cristina Wheeler Castillo-Nelson, being an family physician, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Cristina W. Castillo-Nelson.
- Abdominal Pain
- Aging In Place
- Anxiety
- Arthritis
- Asthma
- Autism
- Birth Control Counseling
- Breastfeeding and Lactation
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Diabetes
- Fever
- General Care
- Headache
- Heart Disease
- High Blood Pressure
- Hyperlipidemia
- Hypothyroidism
- Infant Care
- Influenza
- Migraine
- Mold Exposure
- Nausea and Vomiting
- Obesity
- Osteoarthritis (OA)
- Osteoporosis
- Pregnancy
- Prenatal Care
- Prescription Refill
- Thyroid Disease
- Women's Health
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Cristina W. Castillo-Nelson as in-network for the following 2026 plans.
Health plans
Anthem Blue Cross and Blue Shield
Network data as of Mar 25, 2026, as reported by the insurer.
Show all 9 plans from Anthem Blue Cross and Blue Shield
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Anthem Bronze Preferred/Broad 5000 (3 Free PCP Visits + $0 Select Drugs + Incentives) | POS · Expanded Bronze | Participating | Accepting new patients |
| Anthem Bronze Preferred/Broad HSA (+ Incentives) | POS · Expanded Bronze | Participating | Accepting new patients |
| Anthem Bronze Preferred/Broad Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Expanded Bronze | Participating | Accepting new patients |
| Anthem Gold Preferred/Broad 1000 ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Gold | Participating | Accepting new patients |
| Anthem Gold Preferred/Broad Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Gold | Participating | Accepting new patients |
| Anthem Heart Healthy Bronze Preferred/Broad 0 Med Ded ($0 Virtual PCP+$0 Select Drugs+Incentives) | POS · Expanded Bronze | Participating | Accepting new patients |
| Anthem Silver Preferred/Broad 4000 ($0 PCP Visits + $0 Select Drugs + Incentives) | POS · Silver | Participating | Accepting new patients |
| Anthem Silver Preferred/Broad 5500 ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Silver | Participating | Accepting new patients |
| Anthem Silver Preferred/Broad Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Silver | Participating | Accepting new patients |
CareSource (Common Ground Healthcare)
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 18 plans from CareSource (Common Ground Healthcare)
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| CareSource (Common Ground Healthcare) Bronze $0 Ded / $2500 Rx Ded | EPO · Expanded Bronze | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Bronze $0 Ded / $2500 Rx Ded - Vision Exam | EPO · Expanded Bronze | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Bronze $9600 ($45 PCP Copay) | EPO · Expanded Bronze | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Bronze $9600 ($45 PCP Copay) - Vision Exam | EPO · Expanded Bronze | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Bronze Standard $7500 | EPO · Expanded Bronze | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Bronze Standard $7500 - Vision Exam | EPO · Expanded Bronze | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Gold $0 Ded | EPO · Gold | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Gold $0 Ded - Vision Exam | EPO · Gold | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Gold $3300 | EPO · Gold | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Gold $3300 - Vision Exam | EPO · Gold | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Gold Standard $2000 | EPO · Gold | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Gold Standard $2000 - Vision Exam | EPO · Gold | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Silver $4700 Ded / $5000 Rx Ded | EPO · Silver | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Silver $4700 Ded / $5000 Rx Ded - Vision Exam | EPO · Silver | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Silver $5000 Ded / $6000 Rx Ded | EPO · Silver | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Silver $5000 Ded / $6000 Rx Ded - Vision Exam | EPO · Silver | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Silver Standard $6000 | EPO · Silver | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Silver Standard $6000 - Vision Exam | EPO · Silver | Preferred | Accepting new patients |
Medica
Network data as of Jul 13, 2026, as reported by the insurer.
Show all 18 plans from Medica
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Essentia Choice Care with Medica Bronze HSA | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Essentia Choice Care with Medica Bronze Share | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Essentia Choice Care with Medica Expanded Bronze Standard | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Essentia Choice Care with Medica Gold $0 Copay PCP Visits | EPO · Gold | Preferred | Accepting new patients |
| Essentia Choice Care with Medica Gold Share | EPO · Gold | Preferred | Accepting new patients |
| Essentia Choice Care with Medica Gold Standard | EPO · Gold | Preferred | Accepting new patients |
| Essentia Choice Care with Medica Silver $0 Copay PCP Visits | EPO · Silver | Preferred | Accepting new patients |
| Essentia Choice Care with Medica Silver Share | EPO · Silver | Preferred | Accepting new patients |
| Essentia Choice Care with Medica Silver Standard | EPO · Silver | Preferred | Accepting new patients |
| Medica Individual Choice Bronze HSA | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Medica Individual Choice Bronze Share | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Medica Individual Choice Expanded Bronze Standard | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Medica Individual Choice Gold $0 Copay PCP Visits | EPO · Gold | Preferred | Accepting new patients |
| Medica Individual Choice Gold Share | EPO · Gold | Preferred | Accepting new patients |
| Medica Individual Choice Gold Standard | EPO · Gold | Preferred | Accepting new patients |
| Medica Individual Choice Silver $0 Copay PCP Visits | EPO · Silver | Preferred | Accepting new patients |
| Medica Individual Choice Silver Share | EPO · Silver | Preferred | Accepting new patients |
| Medica Individual Choice Silver Standard | EPO · Silver | Preferred | Accepting new patients |
Security Health Plan
Network data as of Aug 19, 2026, as reported by the insurer.
Show all 87 plans from Security Health Plan
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Premier $2,000 - 25% | HMO · Gold | Non Preferred | Accepting new patients |
| Premier $2,000 - 25% | HMO · Gold | Preferred | Accepting new patients |
| Premier $3,500 - 30% | HMO · Gold | Non Preferred | Accepting new patients |
| Premier $3,500 - 30% | HMO · Gold | Preferred | Accepting new patients |
| Premier $4,000 - 50% | HMO · Silver | Non Preferred | Accepting new patients |
| Premier $4,000 - 50% | HMO · Silver | Preferred | Accepting new patients |
| Premier $5,000 HDHP | HMO · Silver | Non Preferred | Accepting new patients |
| Premier $5,000 HDHP | HMO · Silver | Preferred | Accepting new patients |
| Premier $6,000 - 40% | HMO · Silver | Non Preferred | Accepting new patients |
| Premier $6,000 - 40% | HMO · Silver | Preferred | Accepting new patients |
| Premier $7,500 | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| Premier $7,500 | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Premier $7,500 HDHP | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| Premier $7,500 HDHP | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Premier HMO $1,500 - 30% | HMO · Gold | Preferred | Accepting new patients |
| Premier HMO $2,500 - 20% Copay | HMO · Gold | Preferred | Accepting new patients |
| Premier HMO $3,400 - 30% HDHP | HMO · Silver | Preferred | Accepting new patients |
| Premier HMO $3,500 - 30% | HMO · Silver | Preferred | Accepting new patients |
| Premier HMO $3,500 HDHP | HMO · Gold | Preferred | Accepting new patients |
| Premier HMO $4,000 - 20% HDHP | HMO · Silver | Preferred | Accepting new patients |
| Premier HMO $5,000 - 20% HDHP | HMO · Silver | Preferred | Accepting new patients |
| Premier HMO $5,500 - 40% Copay | HMO · Silver | Preferred | Accepting new patients |
| Premier HMO $7,500 HDHP | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Premier HMO $750 - 10% | HMO · Platinum | Preferred | Accepting new patients |
| Premier HMO $9,500 | HMO · Bronze | Preferred | Accepting new patients |
| Premier POS $1,500 - 30% | POS · Gold | Non Preferred | Accepting new patients |
| Premier POS $1,500 - 30% | POS · Gold | Preferred | Accepting new patients |
| Premier POS $2,500 - 20% Copay | POS · Gold | Non Preferred | Accepting new patients |
| Premier POS $2,500 - 20% Copay | POS · Gold | Preferred | Accepting new patients |
| Premier POS $3,400 - 30% HDHP | POS · Silver | Non Preferred | Accepting new patients |
| Premier POS $3,400 - 30% HDHP | POS · Silver | Preferred | Accepting new patients |
| Premier POS $3,500 - 30% | POS · Silver | Non Preferred | Accepting new patients |
| Premier POS $3,500 - 30% | POS · Silver | Preferred | Accepting new patients |
| Premier POS $3,500 HDHP | POS · Gold | Non Preferred | Accepting new patients |
| Premier POS $3,500 HDHP | POS · Gold | Preferred | Accepting new patients |
| Premier POS $4,000 - 20% HDHP | POS · Silver | Non Preferred | Accepting new patients |
| Premier POS $4,000 - 20% HDHP | POS · Silver | Preferred | Accepting new patients |
| Premier POS $5,000 - 20% HDHP | POS · Silver | Non Preferred | Accepting new patients |
| Premier POS $5,000 - 20% HDHP | POS · Silver | Preferred | Accepting new patients |
| Premier POS $5,500 - 40% Copay | POS · Silver | Non Preferred | Accepting new patients |
| Premier POS $5,500 - 40% Copay | POS · Silver | Preferred | Accepting new patients |
| Premier POS $7,500 HDHP | POS · Expanded Bronze | Non Preferred | Accepting new patients |
| Premier POS $7,500 HDHP | POS · Expanded Bronze | Preferred | Accepting new patients |
| Premier POS $750 - 10% | POS · Platinum | Non Preferred | Accepting new patients |
| Premier POS $750 - 10% | POS · Platinum | Preferred | Accepting new patients |
| Premier POS $9,500 | POS · Bronze | Non Preferred | Accepting new patients |
| Premier POS $9,500 | POS · Bronze | Preferred | Accepting new patients |
| Reliance $1,500 - 30% | EPO · Gold | Non Preferred | Accepting new patients |
| Reliance $1,500 - 30% | EPO · Gold | Preferred | Accepting new patients |
| Reliance $2,500 - 20% Copay | EPO · Gold | Non Preferred | Accepting new patients |
| Reliance $2,500 - 20% Copay | EPO · Gold | Preferred | Accepting new patients |
| Reliance $3,400 - 30% HDHP | EPO · Silver | Non Preferred | Accepting new patients |
| Reliance $3,400 - 30% HDHP | EPO · Silver | Preferred | Accepting new patients |
| Reliance $3,500 - 30% | EPO · Silver | Non Preferred | Accepting new patients |
| Reliance $3,500 - 30% | EPO · Silver | Preferred | Accepting new patients |
| Reliance $3,500 HDHP | EPO · Gold | Non Preferred | Accepting new patients |
| Reliance $3,500 HDHP | EPO · Gold | Preferred | Accepting new patients |
| Reliance $4,000 - 20% HDHP | EPO · Silver | Non Preferred | Accepting new patients |
| Reliance $4,000 - 20% HDHP | EPO · Silver | Preferred | Accepting new patients |
| Reliance $5,000 - 20% HDHP | EPO · Silver | Non Preferred | Accepting new patients |
| Reliance $5,000 - 20% HDHP | EPO · Silver | Preferred | Accepting new patients |
| Reliance $5,500 - 40% Copay | EPO · Silver | Non Preferred | Accepting new patients |
| Reliance $5,500 - 40% Copay | EPO · Silver | Preferred | Accepting new patients |
| Reliance $7,500 HDHP | EPO · Expanded Bronze | Non Preferred | Accepting new patients |
| Reliance $7,500 HDHP | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Reliance $750 - 10% | EPO · Platinum | Non Preferred | Accepting new patients |
| Reliance $750 - 10% | EPO · Platinum | Preferred | Accepting new patients |
| Reliance $9,500 | EPO · Bronze | Non Preferred | Accepting new patients |
| Reliance $9,500 | EPO · Bronze | Preferred | Accepting new patients |
| Select $2,000 - 25% | EPO · Gold | Non Preferred | Accepting new patients |
| Select $2,000 - 25% | EPO · Gold | Preferred | Accepting new patients |
| Select $3,500 - 30% | EPO · Gold | Non Preferred | Accepting new patients |
| Select $3,500 - 30% | EPO · Gold | Preferred | Accepting new patients |
| Select $4,000 - 50% | EPO · Silver | Non Preferred | Accepting new patients |
| Select $4,000 - 50% | EPO · Silver | Preferred | Accepting new patients |
| Select $5,000 HDHP | EPO · Silver | Non Preferred | Accepting new patients |
| Select $5,000 HDHP | EPO · Silver | Preferred | Accepting new patients |
| Select $6,000 - 40% | EPO · Silver | Non Preferred | Accepting new patients |
| Select $6,000 - 40% | EPO · Silver | Preferred | Accepting new patients |
| Select $7,500 | EPO · Expanded Bronze | Non Preferred | Accepting new patients |
| Select $7,500 | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Select $7,500 HDHP | EPO · Expanded Bronze | Non Preferred | Accepting new patients |
| Select $7,500 HDHP | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Select $9,500 | EPO · Bronze | Non Preferred | Accepting new patients |
| Select $9,500 | EPO · Bronze | Preferred | Accepting new patients |
| Select Protection | EPO · Catastrophic | Non Preferred | Accepting new patients |
| Select Protection | EPO · Catastrophic | Preferred | Accepting new patients |
UnitedHealthcare
Network data as of Sep 16, 2026, as reported by the insurer.
Show all 13 plans from UnitedHealthcare
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) | HMO · Expanded Bronze | Non Preferred | Not accepting new patients |
| UHC Bronze Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, Dental + Vision, No Referrals) | HMO · Expanded Bronze | Non Preferred | Not accepting new patients |
| UHC Bronze Essential ($0 Virtual Urgent Care, No Referrals) | HMO · Bronze | Non Preferred | Not accepting new patients |
| UHC Bronze Standard (No Referrals) | HMO · Expanded Bronze | Non Preferred | Not accepting new patients |
| UHC Gold Advantage ($0 Virtual Urgent Care, $5 Tier 2 Rx, No Referrals) | HMO · Gold | Non Preferred | Not accepting new patients |
| UHC Gold Advantage+ ($0 Virtual Urgent Care, $5 Tier 2 Rx, Dental + Vision, No Referrals) | HMO · Gold | Non Preferred | Not accepting new patients |
| UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $5 Tier 2 Rx, No Referrals) | HMO · Gold | Non Preferred | Not accepting new patients |
| UHC Gold Standard (No Referrals) | HMO · Gold | Non Preferred | Not accepting new patients |
| UHC Silver Advantage ($0 Virtual Urgent Care, $5 Tier 2 Rx, No Referrals) | HMO · Silver | Non Preferred | Not accepting new patients |
| UHC Silver Advantage+ ($0 Virtual Urgent Care, $5 Tier 2 Rx, Dental + Vision, No Referrals) | HMO · Silver | Non Preferred | Not accepting new patients |
| UHC Silver Standard (No Referrals) | HMO · Silver | Non Preferred | Not accepting new patients |
| UHC Silver Value ($0 Virtual Urgent Care, $8 Tier 2 Rx, No Referrals) | HMO · Silver | Non Preferred | Not accepting new patients |
| UHC Silver Value+ ($0 Virtual Urgent Care, $8 Tier 2 Rx, Dental + Vision, No Referrals) | HMO · Silver | Non Preferred | Not accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Cristina W. Castillo-Nelson is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Cristina W. Castillo-Nelson is enrolled to bill Medicare as a Practitioner - Family Practice .
Bills through: Grand Itasca Clinic And Hospital
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Studies
UNIVERSITY OF CALIFORNIA, IRVINE, CALIFORNIA COLLEGE OF MEDICINE
Graduated in 2015Additional Specialities
- Resident
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Questions & Answers
Where can you meet with Dr. Cristina Wheeler Castillo-Nelson?
Dr. Cristina Wheeler Castillo-Nelson's office is located at 2201 Lake Shore Drive East in Ashland, WI 54806.
Does Dr. Cristina Wheeler Castillo-Nelson accept insurance?
Dr. Cristina Wheeler Castillo-Nelson is listed in-network for 145 ACA Marketplace (Obamacare/HealthCare.gov) plans from Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare), Medica, Security Health Plan, UnitedHealthcare. See the Marketplace plans section for details.
Has Dr. Cristina Wheeler Castillo-Nelson affiliation with hospitals?
Dr. Cristina Wheeler Castillo-Nelson is affiliated with GRAND ITASCA CLINIC AND HOSPITAL.
Does Dr. Cristina Wheeler Castillo-Nelson have affiliation with practices?
Dr. Cristina Wheeler Castillo-Nelson is affiliated with Essentia Health Duluth Clinic.
What conditions does Dr. Cristina Wheeler Castillo-Nelson treat?
Dr. Cristina Wheeler Castillo-Nelson provides treatment for Asthma, Birth Control Counseling, Breastfeeding and Lactation, Fever, Headache, Osteoporosis. For the full list see this list.