Maria Josefina Diaz, M.D
Family Medicine Physician · Winston Salem, NC
Maria Josefina Diaz, M.D is a family medicine physician with a practice address in Winston Salem, North Carolina, and NPI 1972675775, issued on Nov 15, 2006. Check the license (North Carolina 201200927, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Maria Josefina Diaz
- Credential
- M.D
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 201200927 NC
16370 PR
Self-reported in NPPES; status is on the state search - Practice location
- 4692 Brownsboro RD, Winston Salem, NC 27106
- Phone
- (336) 251-1114
- Enumerated
- Nov 15, 2006
- Record last updated
- Oct 9, 2025
- Fax
- (336) 251-1117
- Medicare enrollment
- Enrolled (PECOS I20120831000714); accepts Medicare assignment
- Medical or professional school
- University Of Puerto Rico School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 4,953 in North Carolina → Look up another NPI →
Also registered at 4692 Brownsboro RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Susan Auffinger, MDFamily Medicine Physician1699742494
- Jeanne Bernat, FNPNurse Practitioner1952647026
- Khashana Blake, MDFamily Medicine Physician1356543490
- Jalyn Brim, FNP-CGeriatric Medicine (Family Medicine) Physician1265356794
- Darlene Brownlee, CRNPGerontology Nurse Practitioner1114157260
- Leslie Bryan, MDInternal Medicine Physician1770547986
Verify Maria Josefina Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 201200927Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.4 times the Medicare Part D claims of the average family medicine physician in 2024
15,591 Medicare Part D claims for 290 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 105 claims were for opioids.
Most prescribed
- Levothyroxine Sodium1,137 claims
- Eliquis726 claims
- Furosemide641 claims
- Trazodone Hcl548 claims
- Pantoprazole Sodium538 claims
- Atorvastatin Calcium463 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $136.09
1 payment: food and beverage; the largest payer was Neurocrine Biosciences, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Curana Health OF North Carolina PLLCWinston Salem, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maria Josefina Diaz among 4,953 family medicine physician records in North Carolina
Maria Josefina Diaz, M.D is one of 4,953 family medicine physician records with a practice address in North Carolina. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 51% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2003 · median 2006 among the 3,104 with a school on file
- Record last updated2025 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
170 family medicine physician records list a practice address in Winston Salem
They are 170 of the 10,040 NPPES records with a practice address in Winston Salem, and 4,953 family medicine physician records in North Carolina.
All 4,953 in North Carolina → Every provider in Winston Salem → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Mark Andrews, MDWinston Salem, NC 271061568446920
- Susan Auffinger, MDWinston Salem, NC 271061699742494
- Thomas Cannon, MDWinston Salem, NC 271061811977176
- Stewart Cooper, MDWinston Salem, NC 271061396737508
- John Gambino, MDWinston Salem, NC 271061417924127
- Champ Jones, MDWinston Salem, NC 271061427020015
- Bruce Lantelme, MDWinston Salem, NC 271061770576019
- Donald Lendle, MDWinston Salem, NC 271061083617716
Common questions
What is Maria Josefina Diaz, M.D's NPI number?
Maria Josefina Diaz, M.D's National Provider Identifier (NPI) is 1972675775, issued on Nov 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Maria Josefina Diaz, M.D located?
The NPPES record lists a practice address at 4692 Brownsboro RD, Winston Salem, NC, 27106. Phone: (336) 251-1114. Providers update this record themselves, so call before visiting.
How can I verify Maria Josefina Diaz, M.D's license?
NPPES lists North Carolina license number 201200927, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Maria Josefina Diaz, M.D prescribe under Medicare Part D?
In 2024, Maria Josefina Diaz, M.D had 15,591 Medicare Part D claims for 290 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.