Dr. Tonya L. Gray
- Gender: Female
- Experience: 23 years
- Graduated from: University Of Iowa, Rj & L Carver College Of Medicine
- Graduation year: 1998
- Sole propriator: No
- NPI: 1427164201
Dr. Tonya L. Gray MD
Family Physician
She is located at 520 South Pierce Avenue in Mason City, IA 50401. Can help patients with the following: Anxiety, Diabetes, Mold Exposure, Osteoarthritis (OA), Pregnancy, Women's Health. Her National Provider Identifier (NPI) number is 1427164201. Appointment can be made via the phone number (844) 474-4321. She is affiliated with 2 practices and 1 hospitals.
Conditions treated
Dr. Tonya L. Gray, 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. Tonya L. Gray.
- 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
Procedures Performed by Dr. Tonya L. Gray
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Tonya L. Gray as in-network for the following 2026 plans.
Health plans
Medica
Network data as of May 25, 2026, as reported by the insurer.
Show all 9 plans from Medica
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Medica Insure Bronze $0 Copay PCP Visits | EPO · Expanded Bronze | Standardtier | Accepting new patients |
| Medica Insure Bronze Share | EPO · Expanded Bronze | Standardtier | Accepting new patients |
| Medica Insure Expanded Bronze Standard | EPO · Expanded Bronze | Standardtier | Accepting new patients |
| Medica Insure Gold $0 Copay PCP Visits | EPO · Gold | Standardtier | Accepting new patients |
| Medica Insure Gold Share | EPO · Gold | Standardtier | Accepting new patients |
| Medica Insure Gold Standard | EPO · Gold | Standardtier | Accepting new patients |
| Medica Insure Silver $0 Copay PCP Visits | EPO · Silver | Standardtier | Accepting new patients |
| Medica Insure Silver Share | EPO · Silver | Standardtier | Accepting new patients |
| Medica Insure Silver Standard | EPO · Silver | Standardtier | Accepting new patients |
Wellmark Health Plan of Iowa, Inc.
Network data as of Sep 8, 2026, as reported by the insurer.
Show all 7 plans from Wellmark Health Plan of Iowa, Inc.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Wellmark Bronze HDHP HMO HSA Qualified | HMO · Expanded Bronze | Wellmark Blue HMO Network | Accepting new patients |
| Wellmark Bronze Traditional HMO | HMO · Expanded Bronze | Wellmark Blue HMO Network | Accepting new patients |
| Wellmark Gold Traditional HMO | HMO · Gold | Wellmark Blue HMO Network | Accepting new patients |
| Wellmark Silver Traditional HMO | HMO · Silver | Wellmark Blue HMO Network | Accepting new patients |
| Wellmark Standard Bronze HMO | HMO · Expanded Bronze | Wellmark Blue HMO Network | Accepting new patients |
| Wellmark Standard Gold HMO | HMO · Gold | Wellmark Blue HMO Network | Accepting new patients |
| Wellmark Standard Silver HMO | HMO · Silver | Wellmark Blue HMO Network | 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. Tonya L. Gray 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. Tonya L. Gray is enrolled to bill Medicare as a Practitioner - Family Practice .
Bills through: North Iowa Mercy Clinics
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 IOWA, RJ & L CARVER COLLEGE OF MEDICINE
Graduated in 1998
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Questions & Answers
Does Dr. Tonya L. Gray have affiliation with practices?
Dr. Tonya L. Gray is affiliated with Mercy Family Clinic-Rockwell. For the full list of practices see this list.
Does Dr. Tonya L. Gray accept patients with Wellmark Health Plan of Iowa, Inc.?
Yes, Dr. Tonya L. Gray is listed in-network for Wellmark Health Plan of Iowa, Inc. through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Where can you meet with Dr. Tonya L. Gray?
Dr. Tonya L. Gray's office is located at 520 South Pierce Avenue in Mason City, IA 50401.
What conditions does Dr. Tonya L. Gray treat?
Dr. Tonya L. Gray provides treatment for Anxiety, Diabetes, Mold Exposure, Osteoarthritis (OA), Pregnancy, Women's Health. For the full list see this list.
Has Dr. Tonya L. Gray affiliation with hospitals?
Dr. Tonya L. Gray is affiliated with MERCY MEDICAL CENTER-NORTH IOWA.