Maria Diaz, M.D
NPI 1972675775 · Family Medicine Physician · Winston Salem, NC
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Diaz, M.D is a Family Medicine Physician provider in Winston Salem, NC (NPI 1972675775).
Provider details
- NPI number
- 1972675775
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Female
- Sole proprietor
- No
- License
- 16370 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,767 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 518 | $101 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 357 | $101 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 356 | $170 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 127 | $70 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 107 | $69 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 191 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 1,137 | 97 |
| Apixabanbrand: Eliquis | 726 | 64 |
| Furosemide | 641 | 76 |
| Trazodone Hcl | 548 | 84 |
| Pantoprazole Sodium | 538 | 79 |
| Atorvastatin Calcium | 463 | 69 |
| Memantine Hcl | 449 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$136 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-15
- Last updated
- 2025-10-09
- Certified
- 2025-10-09
Frequently asked questions
- What is Maria Diaz's NPI number?
- Maria Diaz's National Provider Identifier (NPI) is 1972675775, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Diaz's specialty?
- Maria Diaz is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Diaz located?
- Maria Diaz's practice location on file with NPPES is 4692 Brownsboro Rd, Winston Salem, NC 27106-3410.
- What is Maria Diaz's phone number?
- The practice phone number listed in the NPPES registry for Maria Diaz is (336) 251-1114.
- Does Maria Diaz accept Medicare?
- Maria Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Diaz's NPI active?
- Yes — Maria Diaz's NPI (1972675775) is active in the NPPES registry as of the last update on 2025-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.