Doctor profile · Federal record
Dr. Maria Diaz, MD
Internal Medicine Physician (CMS: Internal Medicine) · Bronx, NY
- NPI 1558451450
- MIPS 100.0 / 100 · 2023
- 36 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
Mmg - University Avenue, 105 West 188Th Street
Bronx, NY 10468
(718) 563-0757 - Mailing address
-
269 Ridgeway
White Plains, NY 106054112
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- New York #191785
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1558451450. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
166
Distinct HCPCS
3
Medicare allowed
$18,933
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 125 | 58 | $113 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 22 | 22 | $152 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 19 | 13 | $77 |
In context: peer comparison
Among 242 peers in Bronx Internal Medicine Physician, average services per provider: 134. This provider delivers 1.2× the peer median.Open Payments
Industry payments received
All-time total
$304
Transactions
4
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Kyowa Kirin, INC. | 1 | $149.99 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $119.35 | |
| Novo Nordisk INC | 2 | $34.29 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
9,372
Patients
2,088
Total drug cost
$156,532
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 1,054 | 238 | $16,381 |
| Omeprazole | Generic | 957 | 222 | $9,205 |
| Amlodipine Besylate | Generic | 898 | 181 | $5,184 |
| Metformin Hcl | Generic | 839 | 178 | $4,915 |
| Diclofenac Sodium | Generic | 746 | 170 | $64,252 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 729 | 173 | $24,839 |
| Simvastatin | Generic | 553 | 128 | $3,684 |
| Losartan Potassium | Generic | 533 | 122 | $6,343 |
| Montelukast Sodium | Generic | 533 | 99 | $5,940 |
| Gabapentin | Generic | 461 | 108 | $4,058 |
Frequently asked questions
What is Dr. Maria Diaz's medical specialty?
Dr. Maria Diaz practices Internal Medicine Physician in Bronx, NY.
Where does Dr. Maria Diaz practice?
Dr. Maria Diaz practices at Mmg - University Avenue, Bronx, NY 10468. Office phone: 7185630757.
What is Dr. Maria Diaz's NPI?
Dr. Maria Diaz's National Provider Identifier (NPI) is 1558451450, issued by NPPES.
Does Dr. Maria Diaz accept Medicare assignment?
Dr. Maria Diaz does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Maria Diaz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.