Dr An Ngoc To, MD - Medicare Family Practice in San Jose, CA

Dr An Ngoc To, MD is a medicare enrolled "Family Medicine" physician in San Jose, California. He graduated from medical school in 1967 and has 57 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice An Ngoc To Md Inc and his current practice location is 87 N 6th St, San Jose, California. You can reach out to his office (for appointments etc.) via phone at (408) 279-1180.

Dr An Ngoc To is licensed to practice in California (license number A36399) 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 1972528016.

Contact Information

Dr An Ngoc To, MD
87 N 6th St,
San Jose, CA 95112-5423
(408) 279-1180
(408) 279-6745

Map and Direction




Physician's Profile

Full NameDr An Ngoc To
GenderMale
SpecialityFamily Practice
Experience57 Years
Location87 N 6th St, San Jose, 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:
  • Dr An Ngoc To graduated from medical school in 1967
  NPI Data:
  • NPI Number: 1972528016
  • Provider Enumeration Date: 07/12/2006
  • Last Update Date: 02/07/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 4688722499
  • Enrollment ID: I20090506000069

Medical Identifiers

Medical identifiers for Dr An Ngoc To such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1972528016NPI-NPPES
4805916MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine A36399 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
An Ngoc To Md Inc60029648222

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. Dr An Ngoc To allows following entities to bill medicare on his behalf.
Entity NameAn Ngoc To Md Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1700027216
PECOS PAC ID: 6002964822
Enrollment ID: O20090506000087

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. Dr An Ngoc To 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
Dr An Ngoc To, MD
87 N 6th St,
San Jose, CA 95112-5423

Ph: (408) 279-1180
Dr An Ngoc To, MD
87 N 6th St,
San Jose, CA 95112-5423

Ph: (408) 279-1180

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.