Doctor profile · Federal record

Dr. Nicholas Hornstein, MD, PHD

Internal Medicine Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Houston, TX

  • NPI 1548764848
  • Accepts Medicare
  • 8 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1515 Holcombe Blvd
Houston, TX 770304000
(713) 792-6161
Mailing address
Po Box 4439
Houston, TX 772104439

Credentials & registration

NPPES · NUCC
NPI registered
March 2018 — 8 yrs on file
Profile last updated
March 7, 2023
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Texas #T5126 · California #A165512

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548764848. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$273
Transactions
4
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Ipsen Biopharmaceuticals, Inc 1 $121.18
Amgen Inc. 1 $81.38
Genentech USA, Inc. 1 $46.49
Janssen Biotech, Inc. 1 $24.20

By nature of payment

Food and Beverage
$273

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
13
Patients
0
Total drug cost
$43
Drug Type Claims Patients Total cost
Prednisone Generic 13 0 $43

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholas Hornstein's medical specialty?
Dr. Nicholas Hornstein practices Internal Medicine Physician in Houston, TX.
Where does Dr. Nicholas Hornstein practice?
Dr. Nicholas Hornstein practices at 1515 Holcombe Blvd, Houston, TX 770304000. Office phone: 7137926161.
What is Dr. Nicholas Hornstein's NPI?
Dr. Nicholas Hornstein's National Provider Identifier (NPI) is 1548764848, issued by NPPES.
Does Dr. Nicholas Hornstein accept Medicare assignment?
Yes. Dr. Nicholas Hornstein accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.