What is Robert Grossman's specialty?

Robert Grossman (NPI 1053462606) is a Medicare-billing provider whose primary specialty is Obstetrics & Gynecology in Thousand Oaks, CA.

Where does Robert Grossman practice?

Robert Grossman practices in Thousand Oaks, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1053462606.

How much does Medicare pay Robert Grossman?

Robert Grossman (NPI 1053462606) received approximately $44K in total Medicare Part B payments, serving 295 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1053462606

Robert GrossmanMD

Obstetrics & GynecologyThousand Oaks, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

582

Unique beneficiaries

—

Total services

622

Distinct HCPCS

Medicare payment

$42K

Peer benchmark

Total Medicare services vs. 1,761 Obstetrics & Gynecology providers in CA — top quintile (cohort median 118).

PRESCRIBING · PART D · 2024

Total Rx claims

460

Beneficiaries

—

Total drug cost

$37K

Distinct drugs

Brand share

54.8%

Top prescribed drugs

Estradiol139 claims

Progesterone, Micronized66 claims

Estradiol45 claims

Terconazole33 claims

Nitrofurantoin Monohyd/M-Cryst26 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$86

Payment records

By payment type

Food and Beverage$86

Top paying entities

Food and Beverage$86

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (3)

CCN 050236

Hospital

CCN 050481

Hospital

CCN 050549

Hospital

REFERRAL NETWORK

Where Robert Grossman's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 2 inbound referrers · 11 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	26	52
LOS ROBLES REGIONAL MEDICAL CENTER	11	16

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Thousand Oaks Pathology Associates Inc Clinical Laboratory · Thousand Oaks, CA	87	106
Laboratory Corporation Of America Clinical Laboratory · San Diego, CA	42	58
LOS ROBLES REGIONAL MEDICAL CENTER	32	56
Unilab Corporation Clinical Laboratory · West Hills, CA	24	60
Monica Amantia Diagnostic Radiology · Studio City, CA	21	30
Robert Princenthal Diagnostic Radiology · Thousand Oaks, CA	18	22
Ruth Polan Diagnostic Radiology · Thousand Oaks, CA	17	19
Barry Klein Diagnostic Radiology · Thousand Oaks, CA	14	21
Martin Cohen Diagnostic Radiology · West Hills, CA	13	13
Catherine Moses Diagnostic Radiology · Thousand Oaks, CA	12	17
Dale Sue Diagnostic Radiology · Santa Barbara, CA	12	12

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events