Doctor profile · Federal record

Dr. Mahsa Hosseini, MD

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Obstetrics & Gynecology Physician · Brooklyn, NY

  • NPI 1255533063
  • Accepts Medicare
  • 26 yrs in practice
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9201 4Th Ave, Ste 1
Brooklyn, NY 112097066
(718) 283-8636
Mailing address
861 Bay Ridge Ave, Apt 3 A
Brooklyn, NY 112205768

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
February 13, 2019
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207V00000X — NUCC code
State licenses (2)
New York #244463 · California #A92638

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255533063. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
69
Distinct HCPCS
2
Medicare allowed
$3,320
HCPCS Description Services Patients Avg allowed
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 36 36 $47
Q0091 Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory 33 33 $49

In context: peer comparison

Among 51 peers in this city , average services per provider: 77. This provider delivers 0.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$242
Transactions
11
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Astellas Pharma US Inc 3 $75.74
SHIELD THERAPEUTICS INC 3 $74.65
Organon Llc 2 $31.40
CooperSurgical, Inc. 1 $22.37
PFIZER INC. 1 $20.11
Hologic Sales and Service, LLC 1 $18.14

By nature of payment

Food and Beverage
$242

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
39
Patients
16
Total drug cost
$5,036
Drug Type Claims Patients Total cost
Estradiol Generic 24 16 $4,573
Clotrimazole-Betamethasone (Clotrimazole/Betamethasone Dip) Brand 15 0 $463

Frequently asked questions

Auto-generated from federal data
What is Dr. Mahsa Hosseini's medical specialty?
Dr. Mahsa Hosseini practices Obstetrics & Gynecology Physician in Brooklyn, NY.
Where does Dr. Mahsa Hosseini practice?
Dr. Mahsa Hosseini practices at 9201 4Th Ave, Brooklyn, NY 112097066. Office phone: 7182838636.
What is Dr. Mahsa Hosseini's NPI?
Dr. Mahsa Hosseini's National Provider Identifier (NPI) is 1255533063, issued by NPPES.
Does Dr. Mahsa Hosseini accept Medicare assignment?
Yes. Dr. Mahsa Hosseini accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mahsa Hosseini commonly perform?
Top Medicare-reported procedures in 2023: Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (HCPCS Q0091). Source: CMS Medicare Physician & Other Practitioners file.