Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mahsa Hosseini, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1255533063

Mahsa Hosseini, MD is an Obstetrics/Gynecology in Brooklyn, New York. Qualified in 2000, 26 years ago. Practices with Mmc OB/GYN Faculty Practice Plan, a 32-clinician group and accepts Medicare assignment. Licensed in California and New York.

Years since qualifying
26
Licensed in
CA, NY
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

9201 4th Ave Ste 1
Brooklyn, NY 11209-7066
Phone: (718) 283-8636
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 244463 (NY)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence A92638 (CA)

Record details

NPI number1255533063
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 4, 2007
Last updated in NPPESFebruary 13, 2019

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolOTHER
Graduated 2000 (26 years in practice)
Group practice Mmc Ob/Gyn Faculty Practice Plan — 32 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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