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

Hannah Grossman, MD

Individual provider Gynecology Physician · NPI 1649321290

Hannah Grossman, MD is an Obstetrics/Gynecology in Thousand Oaks, California. Graduated from University of Southern California Keck School of Medicine in 1980, 46 years ago. Practices with Grossman and Grossman Mds a Medical Corporation, a 2-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
46
Trained at
University of Southern California Keck School of Medicine
Licensed in
CA
In the registry since
2007
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

558 N Ventu Park Rd Ste A
Thousand Oaks, CA 91320-2752
Phone: (818) 817-9832
Fax: (818) 817-9835
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gynecology Physician (primary) Taxonomy 207VG0400X · Licence G051580 (CA)

Record details

NPI number1649321290
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 12, 2007
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolUNIVERSITY OF SOUTHERN CALIFORNIA KECK SCHOOL OF MEDICINE
Graduated 1980 (46 years in practice)
Group practice Grossman And Grossman Mds A Medical Corporation — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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