Dr. Robert A. Grossman, MD

Dr. Grossman practices at Grossman and Grossman MDS a Medical Corporation in Newbury Park, California.

Dr. Grossman's NPI, 1053462606, was assigned on January 12, 2007. Dr. Grossman graduated from Keck School of Medicine of USC in 1978. Dr. Grossman holds California license G039997.

Dr. Grossman's primary practice is Grossman and Grossman MDS a Medical Corporation, at 558 N Ventu Park Rd, Newbury Park, CA 91320 in Ventura County. The practice phone is (805) 498-0240.

Dr. Grossman's primary practice is Grossman and Grossman MDS a Medical Corporation in Newbury Park, California. Dr. Grossman is also affiliated with UCLA West Valley Medical Center. The medical group on file is Ob Hospitalist Group. Dmand AI also links Dr. Grossman to 2 more hospitals, 1 group practice or clinic and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grossman practices, 4 sites in all. Vendor and product names are available with a free account.

Obstetrics is Dr. Grossman's primary specialty in the NPI Registry, under taxonomy code 207VX0000X. Dr. Grossman is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dr. Grossman is licensed in California.

Dmand AI lists bladder disease, menopause, ovarian cyst, pelvic prolapse and vaginal infection among the conditions Dr. Grossman treats.

CMS data shows 622 Medicare services from Dr. Grossman across 6 procedure codes in 2024, for 295 Medicare patients. Medicare paid $41,774 for them. Every service was in an office.

CMS counts 295 Medicare patients who saw Dr. Grossman in 2024. The largest group is 65 to 74, with 176 patients. 75% of them have high cholesterol, and 55% have arthritis. Their average risk score is 0.71, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Grossman's median patient age at 47, with 96% women.

In 2024, Dr. Grossman wrote 640 Medicare Part D claims for 143 patients. 80% of them were for generic drugs. CMS names the drug for 460 of them, across 13 drugs with 11 or more claims each, at $36,973 in total drug cost. In 2023, CMS named 408 claims across 14 drugs.

Dr. Grossman accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

CMS Open Payments shows 71 general payments to Dr. Grossman from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. Amgen Inc. paid the most, $311.

Dmand AI lists 2 awards for Dr. Grossman, most recently CMS Stage 1 EHR in 2013.

Dr. Grossman graduated from Keck School of Medicine of USC in 1978. Dr. Grossman is a member of American College of Obstetricians and Gynecologists.

Dr. Grossman is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.