Andrea A Ngo, MD - Medicare Internal Medicine in Fairfield, CA

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Andrea A Ngo, MD is a medicare enrolled "Hospitalist" physician in Fairfield, California. She went to Albert Einstein College Of Medicine Of Yeshiva University and graduated in 1996 and has 28 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Marin Hospitalist Medical Group, Inc. and her current practice location is 1200 B Gale Wilson Blvd, Fairfield, California. You can reach out to her office (for appointments etc.) via phone at (707) 429-3600.

Andrea A Ngo is licensed to practice in California (license number A64486) 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 1699863464.

Contact Information

Andrea A Ngo, MD
1200 B Gale Wilson Blvd,
Fairfield, CA 94533-3552
(707) 429-3600
Not Available

Map and Direction




Physician's Profile

Full NameAndrea A Ngo
GenderFemale
SpecialityInternal Medicine
Experience28 Years
Location1200 B Gale Wilson Blvd, Fairfield, 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:
  • Andrea A Ngo attended and graduated from Albert Einstein College Of Medicine Of Yeshiva University in 1996
  NPI Data:
  • NPI Number: 1699863464
  • Provider Enumeration Date: 10/10/2006
  • Last Update Date: 11/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 3173414786
  • Enrollment ID: I20040323001057

Medical Identifiers

Medical identifiers for Andrea A Ngo such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1699863464NPI-NPPES
00A644860MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A64486 (California)Secondary
208M00000XHospitalist A64486 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Marinhealth Medical CenterGreenbrae, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Marin Hospitalist Medical Group, Inc.145625714635

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. Andrea A Ngo allows following entities to bill medicare on her behalf.
Entity NameMarin Hospitalist Medical Group, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023041753
PECOS PAC ID: 1456257146
Enrollment ID: O20031211001139

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. Andrea A Ngo 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
Andrea A Ngo, MD
1525 Webster St, Suite A,
Fairfield, CA 94533-4997

Ph: (707) 423-2510		Andrea A Ngo, MD
1200 B Gale Wilson Blvd,
Fairfield, CA 94533-3552

Ph: (707) 429-3600

Reviews and Comments


Hospitalist Doctors in Fairfield, CA

Dr. Pranay Bahuguna, M.D.
Hospitalist
Medicare: Medicare Enrolled
Practice Location: 3165 Cherry Valley Circle, Fairfield, CA 94534
Phone: 203-583-2644    
Dr. Allan S Au, M.D.
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 1200 B Gale Wilson Blvd, Fairfield, CA 94533
Phone: 707-646-5000    
Dr. Benjamin Leo Liu, D.O.
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 1200 B Gale Wilson Blvd, Fairfield, CA 94533
Phone: 707-626-5000    

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.