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

Robert A Grossman, MD

Individual provider Obstetrics Physician · NPI 1053462606

Robert A Grossman, MD is an Obstetrics/Gynecology in Thousand Oaks, California. Graduated from University of Southern California Keck School of Medicine in 1978, 48 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
48
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 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

Obstetrics Physician (primary) Taxonomy 207VX0000X · Licence G039997 (CA)

Record details

NPI number1053462606
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 12, 2007
Last updated in NPPESOctober 23, 2014
Mailing address558 Ventu Park Rd Ste A, Thousand Oaks, CA 91320-2752

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 1978 (48 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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