Doctor profile · Federal record

Dr. Maria Diaz, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · New York, NY

  • NPI 1316991417
  • Accepts Medicare
  • 48 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4405 Broadway
New York, NY 100404014
(212) 740-2020
fax (646) 666-0280
Additional location
1111 Park Ave Ste 1H
New York, NY 101281234
(212) 249-4219
fax (212) 289-8677
Mailing address
Po Box 746087
Atlanta, GA 303746087

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
February 12, 2024
Year of graduation
1978 — 48 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #213444

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316991417. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,195
Transactions
19
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 7 $406.43
Eisai Inc. 2 $148.62
Axsome Therapeutics, Inc. 1 $137.57
TG Therapeutics, Inc. 1 $124.94
E.R. Squibb & Sons, L.L.C. 1 $122.43
IDORSIA PHARMACEUTICALS US INC 1 $122.43
Novo Nordisk Inc 3 $68.05
SK Life Science, Inc. 1 $24.33
Abbott Laboratories 1 $21.92
ABBVIE INC. 1 $18.05

By nature of payment

Food and Beverage
$1,195

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
286
Patients
50
Total drug cost
$22,373
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 54 19 $636
Amlodipine Besylate Generic 31 19 $183
Losartan Potassium Generic 23 12 $319
Lisinopril Generic 19 0 $139
Pantoprazole Sodium Generic 19 0 $250
Metformin Hcl Generic 17 0 $263
Rosuvastatin Calcium Generic 17 0 $265
Januvia (Sitagliptin Phosphate) Brand 16 0 $17,559
Simvastatin Generic 14 0 $220
Telmisartan Generic 14 0 $1,026

Frequently asked questions

Auto-generated from federal data
What is Dr. Maria Diaz's medical specialty?
Dr. Maria Diaz practices Internal Medicine Physician in New York, NY.
Where does Dr. Maria Diaz practice?
Dr. Maria Diaz practices at 4405 Broadway, New York, NY 100404014. Office phone: 2127402020.
What is Dr. Maria Diaz's NPI?
Dr. Maria Diaz's National Provider Identifier (NPI) is 1316991417, 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.