Ayesha Zahiruddin, MD - Medicare Gastroenterology in Oakland, CA

Ayesha Zahiruddin, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Oakland, California. She graduated from medical school in 2009 and has 15 years of diverse experience with area of expertise as Gastroenterology. She is a member of the group practice Alameda Health System and her current practice location is 1411 E 31st St, Oakland, California. You can reach out to her office (for appointments etc.) via phone at (510) 437-4800.

Ayesha Zahiruddin is licensed to practice in California (license number C167311) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1942598396.

Contact Information

Ayesha Zahiruddin, MD
1411 E 31st St,
Oakland, CA 94602-1092
(510) 437-4800
Not Available

Map and Direction




Physician's Profile

Full NameAyesha Zahiruddin
GenderFemale
SpecialityGastroenterology
Experience15 Years
Location1411 E 31st St, Oakland, California
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Ayesha Zahiruddin graduated from medical school in 2009
  NPI Data:
  • NPI Number: 1942598396
  • Provider Enumeration Date: 07/19/2011
  • Last Update Date: 09/15/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 0345660593
  • Enrollment ID: I20201009000606

Medical Identifiers

Medical identifiers for Ayesha Zahiruddin such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1942598396NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 271861 (New York)Secondary
207RG0100XInternal Medicine - Gastroenterology C167311 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Highland HospitalOakland, CAHospital
Alameda HospitalAlameda, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Alameda Health System3779494521533

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. Ayesha Zahiruddin allows following entities to bill medicare on her behalf.
Entity NameAlameda Health System
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1740332931
PECOS PAC ID: 3779494521
Enrollment ID: O20031110000764

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. Ayesha Zahiruddin 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
Ayesha Zahiruddin, MD
354 E 91st St Apt 707,
New York, NY 10128-0087

Ph: (551) 208-7334
Ayesha Zahiruddin, MD
1411 E 31st St,
Oakland, CA 94602-1092

Ph: (510) 437-4800

Reviews and Comments


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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.