Mary Catherine Washburn, MD - Medicare Obstetrics & Gynecology in Garden Grove, CA

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Mary Catherine Washburn, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Garden Grove, California. Her current practice location is 12100 Euclid St, Garden Grove, California. You can reach out to her office (for appointments etc.) via phone at (714) 887-9933.

Mary Catherine Washburn is licensed to practice in California (license number A113839) 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 1225203169.

Contact Information

Mary Catherine Washburn, MD
12100 Euclid St,
Garden Grove, CA 92840-3304
(714) 887-9933
Not Available

Map and Direction




Physician's Profile

Full NameMary Catherine Washburn
GenderFemale
SpecialityObstetrics & Gynecology
Location12100 Euclid St, Garden Grove, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1225203169
  • Provider Enumeration Date: 04/22/2008
  • Last Update Date: 12/14/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 5092869271
  • Enrollment ID: I20111205000385

Medical Identifiers

Medical identifiers for Mary Catherine Washburn such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1225203169NPI-NPPES
81763OtherTRAINING PERMIT
A113839OtherCACALIFORNIA LICENSE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology 155911 (North Carolina)Secondary
207V00000XObstetrics & Gynecology 37528 (Arizona)Secondary
207V00000XObstetrics & Gynecology A113839 (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. Mary Catherine Washburn allows following entities to bill medicare on her behalf.
Entity NameSouthern California Permanente Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1770515280
PECOS PAC ID: 6002729175
Enrollment ID: O20031110000678

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. Mary Catherine Washburn 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
Mary Catherine Washburn, MD
3440 E La Palma Ave,
Anaheim, CA 92806-2020

Ph: (714) 887-9933		Mary Catherine Washburn, MD
12100 Euclid St,
Garden Grove, CA 92840-3304

Ph: (714) 887-9933

Reviews and Comments


Obstetrics & Gynecology Doctors in Garden Grove, CA

Dr. Lauren Rubal, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 12100 Euclid St, Garden Grove, CA 92840
Phone: 888-988-2800    
Dr. Ban Duc Doan, M.D
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 9191 Westminster Ave Ste 203, Garden Grove, CA 92844
Phone: 714-899-2000    Fax: 714-899-0051
Dr. Phu Thien Nguyen, D.O.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 12555 Garden Grove Blvd, Suite 301, Garden Grove, CA 92843
Phone: 714-741-0501    Fax: 714-741-0095
Christopher R Winkle, MD
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 12665 Garden Grove Blvd #708, Garden Grove, CA 92843
Phone: 714-638-1120    Fax: 714-638-1986
Dr. Mehrdad Forghani-arani, D.O.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 12665 Garden Grove Blvd Ste 601, Garden Grove, CA 92843
Phone: 714-537-1387    Fax: 714-537-0917
Thanh-mai Trinh, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 10212 Westminster Ave, 114, Garden Grove, CA 92843
Phone: 714-638-1864    Fax: 714-638-1964

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.