Doctor profile · Federal record
Dr. Maria Diaz, M.D
Family Medicine Physician (CMS: Family Practice) · Geriatric Medicine (Family Medicine) Physician · Geriatric Medicine (Family Medicine) Physician · Winston Salem, NC
- NPI 1972675775
- Accepts Medicare
- 23 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4692 Brownsboro RD
Winston Salem, NC 271063410
(336) 251-1114
fax (336) 251-1117
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- October 9, 2025
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State licenses (2)
- North Carolina #201200927 · Puerto Rico #16370
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1972675775. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,669
Distinct HCPCS
10
Medicare allowed
$204,380
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 417 | 187 | $103 | |
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 376 | 137 | $103 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 325 | 258 | $177 | |
99308 |
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 114 | 85 | $72 | |
99310 |
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 106 | 63 | $148 | |
99305 |
Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes | 105 | 100 | $129 | |
99308 |
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 92 | 61 | $72 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 72 | 50 | $177 | |
99305 |
Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes | 25 | 22 | $129 | |
99316 |
Nursing facility discharge management, more than 30 minutes | 19 | 18 | $127 |
In context: peer comparison
Among 50 peers in this city , average services per provider: 86. This provider delivers 19× the peer median.Open Payments
Industry payments received
All-time total
$136
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Neurocrine Biosciences, Inc. | 1 | $136.09 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
7,597
Patients
1,015
Total drug cost
$381,044
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 1,141 | 94 | $13,481 |
| Eliquis (Apixaban) | Brand | 874 | 76 | $260,845 |
| Pantoprazole Sodium | Generic | 737 | 105 | $15,709 |
| Furosemide | Generic | 674 | 76 | $5,384 |
| Trazodone Hcl | Generic | 629 | 92 | $7,885 |
| Memantine Hcl | Generic | 473 | 57 | $26,286 |
| Atorvastatin Calcium | Generic | 452 | 78 | $7,508 |
| Gabapentin | Generic | 435 | 61 | $6,816 |
| Potassium Chloride | Generic | 419 | 69 | $8,584 |
| Amlodipine Besylate | Generic | 380 | 69 | $3,933 |
Hospital affiliations
Frequently asked questions
What is Dr. Maria Diaz's medical specialty?
Dr. Maria Diaz practices Family Medicine Physician in Winston Salem, NC.
Where does Dr. Maria Diaz practice?
Dr. Maria Diaz practices at 4692 Brownsboro RD, Winston Salem, NC 271063410. Office phone: 3362511114.
What is Dr. Maria Diaz's NPI?
Dr. Maria Diaz's National Provider Identifier (NPI) is 1972675775, issued by NPPES.
Does Dr. Maria Diaz accept Medicare assignment?
Yes. Dr. Maria Diaz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Diaz commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Initial nursing facility care with high level of medical decision making (HCPCS 99306). Source: CMS Medicare Physician & Other Practitioners file.