Dr. Maria J. Diaz
- Gender: Female
- Experience: 18 years
- Sole propriator: No
- NPI: 1972675775
Dr. Maria J. Diaz M.D
Geriatrician
She is located at 4692 Brownsboro Road in Winston Salem, NC 27106. Can help patients with the following: Anemia, Birth Control Counseling, Edema, High Blood Pressure, Low Back Pain, Mold Exposure. Her National Provider Identifier (NPI) number is 1972675775. Appointment can be made via the phone number (336) 251-1114. She is affiliated with 2 practices.
Conditions treated
Dr. Maria Josefina Diaz, being an geriatrician, 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. Maria J. Diaz.
- Abdominal Pain
- Aging In Place
- Alzheimer's Disease
- Anemia
- Anxiety
- Arthritis
- Asthma
- Autism
- Balance Issues
- Birth Control Counseling
- Bone Loss
- Breastfeeding and Lactation
- Chest Pain
- Chronic Obstructive Pulmonary Disease (COPD)
- Cognitive Decline
- Common Cold
- Diabetes
- Edema
- Fatigue
- Fecal Incontinence
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Disease
- High Blood Pressure
- Hip Bursitis
- Hot Flashes
- Hyperlipidemia
- Hypothyroidism
- Infant Care
- Influenza
- Low Back Pain
- Migraine
- Mold Exposure
- Nausea and Vomiting
- Obesity
- Osteoarthritis (OA)
- Osteoporosis
- Pregnancy
- Prenatal Care
- Prescription Refill
- Progressive Neurological Disorders
- Thyroid Disease
- Women's Health
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Maria J. Diaz as in-network for the following 2026 plans.
Health plans
Oscar Health Plan of North Carolina, Inc
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 22 plans from Oscar Health Plan of North Carolina, Inc
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Bronze Classic 4700 | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Classic 4700 | with Atrium Health | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Classic Standard | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Classic Standard | with Atrium Health | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Elite + PCP Saver Plus | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Elite + PCP Saver Plus | with Atrium Health | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Breathe Easy with Enhanced COPD Benefits | with Atrium Health | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Chronic Care CKM | with Atrium Health | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Diabetes | with Atrium Health | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Gold Classic Standard | HMO · Gold | Preferred | Accepting new patients |
| Gold Classic Standard | with Atrium Health | HMO · Gold | Preferred | Accepting new patients |
| Silver Classic | HMO · Silver | Preferred | Accepting new patients |
| Silver Classic Standard | HMO · Silver | Preferred | Accepting new patients |
| Silver Classic Standard | with Atrium Health | HMO · Silver | Preferred | Accepting new patients |
| Silver Classic | with Atrium Health | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Breathe Easy with Enhanced COPD Benefits | with Atrium Health | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Chronic Care CKM | with Atrium Health | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Diabetes | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Diabetes | with Atrium Health | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple PCP Saver | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple PCP Saver | with Atrium Health | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Women's Health with Menopause Benefits | with Atrium Health | HMO · Silver | Preferred | 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. Maria J. Diaz 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. Maria J. Diaz is enrolled to bill Medicare as a Practitioner - Family Practice (also registered under: Practitioner - Geriatric Medicine) .
Bills through: Physicians Eldercare Pa
Based on Medicare's public enrollment records as of Sep 29, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Lilly | $13 |
Other
| Food and Beverage | $14 |
Additional Specialities
- Family Physician
Looking for more Geriatricians?
There are 7 other geriatricians in this region.
- Gender: Male
- Address: 4692 Brownsboro Road Winston Salem, 27106, NC
- Gender: Male
- Address: 1930 Peace Haven Road Winston Salem, 27106, NC
- Gender: Female
- Address: 4692 Brownsboro Road Winston Salem, 27106, NC
- Gender: Female
- Address: 4692 Brownsboro Road Winston Salem, 27106, NC
- Gender: Male
- Address: Physicians Eldercare, Pa 4692 Brownsboro Road Winston Salem, 27106, NC
- Gender: Male
- Address: 4692 Brownsboro Road Winston Salem, 27106, NC
Questions & Answers
Where can you meet with Dr. Maria Josefina Diaz?
Dr. Maria Josefina Diaz's office is located at 4692 Brownsboro Road in Winston Salem, NC 27106.
What conditions does Dr. Maria Josefina Diaz treat?
Dr. Maria Josefina Diaz provides treatment for Anemia, Birth Control Counseling, Edema, High Blood Pressure, Low Back Pain, Mold Exposure. For the full list see this list.
Does Dr. Maria Josefina Diaz have affiliation with practices?
Dr. Maria Josefina Diaz is affiliated with Physicians Eldercare PA. For the full list of practices see this list.
Does Dr. Maria Josefina Diaz accept insurance?
Dr. Maria Josefina Diaz is listed in-network for 22 ACA Marketplace (Obamacare/HealthCare.gov) plans from Oscar Health Plan of North Carolina, Inc. See the Marketplace plans section for details.