Robert A Grossman, MD - Medicare Obstetrics/gynecology in Thousand Oaks, CA

Robert A Grossman, MD is a medicare enrolled "Obstetrics & Gynecology - Obstetrics" physician in Thousand Oaks, California. He went to University Of Southern California Keck School Of Medicine and graduated in 1978 and has 46 years of diverse experience with area of expertise as Obstetrics/gynecology. His current practice location is 558 Ventu Park Rd Ste A, Thousand Oaks, California. You can reach out to his office (for appointments etc.) via phone at (818) 817-9832.

Robert A Grossman is licensed to practice in California (license number G039997) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1053462606.

Contact Information

Robert A Grossman, MD
558 Ventu Park Rd Ste A,
Thousand Oaks, CA 91320-2752
(818) 817-9832
(818) 817-9835

Map and Direction




Physician's Profile

Full NameRobert A Grossman
GenderMale
SpecialityObstetrics/gynecology
Experience46 Years
Location558 Ventu Park Rd Ste A, Thousand Oaks, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Robert A Grossman attended and graduated from University Of Southern California Keck School Of Medicine in 1978
  NPI Data:
  • NPI Number: 1053462606
  • Provider Enumeration Date: 01/12/2007
  • Last Update Date: 10/23/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 3476453796
  • Enrollment ID: I20090903000178

Medical Identifiers

Medical identifiers for Robert A Grossman such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1053462606NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207VX0000XObstetrics & Gynecology - Obstetrics G039997 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Los Robles Hospital & Medical CenterThousand oaks, CAHospital

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Robert A Grossman allows following entities to bill medicare on his behalf.
Entity NameGrossman And Grossman Mds A Medical Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1255483525
PECOS PAC ID: 1850340209
Enrollment ID: O20050112001131
Entity NameObhg California Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1215258892
PECOS PAC ID: 8729276795
Enrollment ID: O20101217000826

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Robert A Grossman is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Robert A Grossman, MD
558 Ventu Park Rd Ste A,
Thousand Oaks, CA 91320-2752

Ph: (818) 817-9832
Robert A Grossman, MD
558 Ventu Park Rd Ste A,
Thousand Oaks, CA 91320-2752

Ph: (818) 817-9832

Reviews and Comments


Obstetrics & Gynecology Doctors in Thousand Oaks, CA

Dr. David R Ghausi, D.O.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 2220 Lynn Road, Suite 302, Thousand Oaks, CA 91360
Phone: 805-497-0244    Fax: 805-497-0844
Lawrence L Lin, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 1000 Newbury Rd Ste 165, Thousand Oaks, CA 91320
Phone: 805-449-1778    Fax: 805-496-9970
Dr. Louise Garcia, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 415 Rolling Oaks Dr, Suite 200, Thousand Oaks, CA 91361
Phone: 805-777-7009    Fax: 805-777-7686
Dr. Daryoush Jadali, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 2100 Lynn Rd, Suite 125, Thousand Oaks, CA 91360
Phone: 805-777-7406    Fax: 805-554-4583
Ronald De La Pena, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 2230 Lynn Rd, Suite 200, Thousand Oaks, CA 91360
Phone: 805-495-1066    Fax: 805-497-1428
Christin Ann Field, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 2220 Lynn Road, Suite 108, Thousand Oaks, CA 91360
Phone: 805-495-4545    Fax: 805-495-0711

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.