Dr Mark Y Liang, MD - Medicare Internal Medicine in Fremont, CA

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Dr Mark Y Liang, MD is a medicare enrolled "Internal Medicine" physician in Fremont, California. He went to Temple University School Of Medicine and graduated in 2010 and has 14 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Washington Township Medical Foundation and his current practice location is 46690 Mohave Dr, Fremont, California. You can reach out to his office (for appointments etc.) via phone at (510) 248-1065.

Dr Mark Y Liang is licensed to practice in California (license number A119336) 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 1578889416.

Contact Information

Dr Mark Y Liang, MD
46690 Mohave Dr,
Fremont, CA 94539-7001
(510) 248-1065
Not Available

Map and Direction




Physician's Profile

Full NameDr Mark Y Liang
GenderMale
SpecialityInternal Medicine
Experience14 Years
Location46690 Mohave Dr, Fremont, 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 Mark Y Liang attended and graduated from Temple University School Of Medicine in 2010
  NPI Data:
  • NPI Number: 1578889416
  • Provider Enumeration Date: 04/16/2010
  • Last Update Date: 04/13/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 6305063801
  • Enrollment ID: I20140806002424

Medical Identifiers

Medical identifiers for Dr Mark Y Liang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1578889416NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A119336 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Washington HospitalFremont, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Washington Township Medical Foundation2860687050102

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 Mark Y Liang allows following entities to bill medicare on his behalf.
Entity NameStanford Health Care
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1437292927
PECOS PAC ID: 6709797491
Enrollment ID: O20031124000348
Entity NameCounty Of Santa Clara
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1659450955
PECOS PAC ID: 1254244973
Enrollment ID: O20040113000757
Entity NameCounty Of Santa Clara
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1699885079
PECOS PAC ID: 1254244973
Enrollment ID: O20040113000784
Entity NameUniversity Healthcare Alliance
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760531198
PECOS PAC ID: 6305748799
Enrollment ID: O20040126000292
Entity NameHospitalist Medicine Physicians Of California Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1184663965
PECOS PAC ID: 8426062027
Enrollment ID: O20060202000956
Entity NameWashington Township Hospital District
Entity TypePart B Supplier - Hospital Department(s)
Entity IdentifiersNPI Number: 1154472058
PECOS PAC ID: 2860488822
Enrollment ID: O20081210000515
Entity NameWashington Township Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1346557014
PECOS PAC ID: 2860687050
Enrollment ID: O20101112001225
Entity NameHospitalist Medicine Physicians Of California - Fairfield Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1487132007
PECOS PAC ID: 3779836085
Enrollment ID: O20181101002925

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 Mark Y Liang 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 Mark Y Liang, MD
46690 Mohave Dr,
Fremont, CA 94539-7001

Ph: (510) 248-1065		Dr Mark Y Liang, MD
46690 Mohave Dr,
Fremont, CA 94539-7001

Ph: (510) 248-1065

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.