Joanne Gras, DO - Medicare Obstetrics & Gynecology in Oakland, CA

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Joanne Gras, DO is a medicare enrolled "Obstetrics & Gynecology" physician in Oakland, California. Her current practice location is 275 W Macarthur, Oakland, California. You can reach out to her office (for appointments etc.) via phone at (510) 752-1000.

Joanne Gras is licensed to practice in California (license number 20A6815) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1518045608.

Contact Information

Joanne Gras, DO
275 W Macarthur,
Oakland, CA 94611-5641
(510) 752-1000
Not Available

Map and Direction




Physician's Profile

Full NameJoanne Gras
GenderFemale
SpecialityObstetrics & Gynecology
Location275 W Macarthur, Oakland, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1518045608
  • Provider Enumeration Date: 11/02/2006
  • Last Update Date: 09/19/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 1355521154
  • Enrollment ID: I20110211000122

Medical Identifiers

Medical identifiers for Joanne Gras such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1518045608NPI-NPPES
00AX68150MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology 20A6815 (California)Primary

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. Joanne Gras allows following entities to bill medicare on her behalf.
Entity NameUniversity Of California San Francisco
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1861578973
PECOS PAC ID: 4486567229
Enrollment ID: O20031212000897
Entity NameUcsf Medical Group Business Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1477624104
PECOS PAC ID: 3779497870
Enrollment ID: O20040622001513

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. Joanne Gras 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
Joanne Gras, DO
275 W Macarthur,
Oakland, CA 94611-5641

Ph: (510) 752-1000		Joanne Gras, DO
275 W Macarthur,
Oakland, CA 94611-5641

Ph: (510) 752-1000

Reviews and Comments


Obstetrics & Gynecology Doctors in Oakland, CA

Sadhana Samant, MD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 1411 E 31st St, Oakcare Medical Group, Oakland, CA 94602
Phone: 510-437-4323    Fax: 510-437-5042
Renee L. Perry, DO
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 275 W Macarthur Blvd, Oakland, CA 94611
Phone: 510-752-1000    
Ivy I. Yu, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 280 W Macarthur Blvd, Oakland, CA 94611
Phone: 510-752-1000    
Tiffany Hill, RN
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 1411 E 31st St, Oakland, CA 94602
Phone: 510-437-4800    
Mr. Hon Fong, MD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 365 Hawthorne Ave, Suite 301, Oakland, CA 94609
Phone: 510-893-1700    Fax: 510-893-0110
Judith A. Lamberti, MD
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 275 W Macarthur, Oakland, CA 94611
Phone: 510-752-1000    
Autumn J Broady, M.D., M.P.H.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 5730 Telegraph Ave Ste 117, Oakland, CA 94609
Phone: 415-600-6400    Fax: 415-369-1384

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.