Andrew Mah, OD - Medicare Optometrist in San Ramon, CA

Andrew Mah, OD is a medicare enrolled "Optometrist" provider in San Ramon, California. He graduated from medical school in 2016 and has 8 years of diverse experience with area of expertise as Optometry. He is a member of the group practice Doris H Wong Optometric Corporation and his current practice location is 2837 Yosemite Ave, San Ramon, California. You can reach out to his office (for appointments etc.) via phone at (925) 818-5704.

Andrew Mah is licensed to practice in California (license number 33628) 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 1497286496.

Contact Information

Andrew Mah, OD
2837 Yosemite Ave,
San Ramon, CA 94583-3438
(925) 818-5704
Not Available

Map and Direction




Healthcare Provider's Profile

Full NameAndrew Mah
GenderMale
SpecialityOptometry
Experience8 Years
Location2837 Yosemite Ave, San Ramon, 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:
  • Andrew Mah graduated from medical school in 2016
  NPI Data:
  • NPI Number: 1497286496
  • Provider Enumeration Date: 03/22/2017
  • Last Update Date: 03/22/2017
  Medicare PECOS Information:
  • PECOS PAC ID: 4587941455
  • Enrollment ID: I20171023002204

Medical Identifiers

Medical identifiers for Andrew Mah such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1497286496NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
152W00000XOptometrist 33628 (California)Primary
152W00000XOptometrist 60707338 (Washington)Secondary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Doris H Wong Optometric Corporation65070958824

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. Andrew Mah allows following entities to bill medicare on his behalf.
Provider NameDoris H Wong Optometric Corporation
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1457773822
PECOS PAC ID: 6507095882
Enrollment ID: O20140228000365

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. Andrew Mah 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
Andrew Mah, OD
2837 Yosemite Ave,
San Ramon, CA 94583-3438

Ph: () -
Andrew Mah, OD
2837 Yosemite Ave,
San Ramon, CA 94583-3438

Ph: (925) 818-5704

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.