Doctor profile · Federal record

Dr. Syed Hasan, MD

Specialist (CMS: Internal Medicine) · Lancaster, CA

  • NPI 1528010998
  • Accepts Medicare
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
44835 Date Ave
Lancaster, CA 935343102
(661) 940-9555
fax (661) 940-9550

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
November 22, 2021
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
174400000X — NUCC code
State license (1)
California #A68482

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528010998. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$38
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Daiichi Sankyo Inc. 2 $38.39

By nature of payment

Food and Beverage
$38

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,100
Patients
693
Total drug cost
$900,242
Drug Type Claims Patients Total cost
Methotrexate (Methotrexate Sodium) Brand 504 152 $9,250
Prednisone Generic 376 141 $3,810
Hydroxychloroquine Sulfate Generic 334 116 $12,802
Meloxicam Generic 94 41 $667
Omeprazole Generic 91 43 $886
Orencia (Abatacept) Brand 90 11 $404,551
Duloxetine Hcl Generic 83 40 $1,744
Allopurinol Generic 77 27 $989
Leflunomide Generic 76 30 $2,303
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 75 17 $1,145

Frequently asked questions

Auto-generated from federal data
What is Dr. Syed Hasan's medical specialty?
Dr. Syed Hasan practices Specialist in Lancaster, CA.
Where does Dr. Syed Hasan practice?
Dr. Syed Hasan practices at 44835 Date Ave, Lancaster, CA 935343102. Office phone: 6619409555.
What is Dr. Syed Hasan's NPI?
Dr. Syed Hasan's National Provider Identifier (NPI) is 1528010998, issued by NPPES.
Does Dr. Syed Hasan accept Medicare assignment?
Yes. Dr. Syed Hasan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.