Nancy Ngoc Giao Ly, MD, MPH - Medicare Preventive Medicine in Walnut Creek, CA

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Nancy Ngoc Giao Ly, MD, MPH is a medicare enrolled "Preventive Medicine - Occupational Medicine" physician in Walnut Creek, California. She graduated from medical school in 2011 and has 13 years of diverse experience with area of expertise as Preventive Medicine. She is a member of the group practice Permanente Medical Group Inc and her current practice location is 320 Lennon Ln Bldg 3, Walnut Creek, California. You can reach out to her office (for appointments etc.) via phone at (925) 206-2000.

Nancy Ngoc Giao Ly is licensed to practice in California (license number A153735) 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 1598050205.

Contact Information

Nancy Ngoc Giao Ly, MD, MPH
320 Lennon Ln Bldg 3,
Walnut Creek, CA 94598
(925) 206-2000
Not Available

Map and Direction




Physician's Profile

Full NameNancy Ngoc Giao Ly
GenderFemale
SpecialityPreventive Medicine
Experience13 Years
Location320 Lennon Ln Bldg 3, Walnut Creek, 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:
  • Nancy Ngoc Giao Ly graduated from medical school in 2011
  NPI Data:
  • NPI Number: 1598050205
  • Provider Enumeration Date: 06/10/2011
  • Last Update Date: 02/11/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 9133476484
  • Enrollment ID: I20180718002219

Medical Identifiers

Medical identifiers for Nancy Ngoc Giao Ly such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1598050205NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2083X0100XPreventive Medicine - Occupational Medicine A153735 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Permanente Medical Group Inc89219102258376

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. Nancy Ngoc Giao Ly allows following entities to bill medicare on her behalf.
Entity NamePermanente Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073606299
PECOS PAC ID: 8921910225
Enrollment ID: O20031104000710

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. Nancy Ngoc Giao Ly 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
Nancy Ngoc Giao Ly, MD, MPH
320 Lennon Ln Bldg 3,
Walnut Creek, CA 94598-2419

Ph: (925) 906-2000		Nancy Ngoc Giao Ly, MD, MPH
320 Lennon Ln Bldg 3,
Walnut Creek, CA 94598

Ph: (925) 206-2000

Reviews and Comments


Preventive Medicine Doctors in Walnut Creek, CA

Hilary M. Kauffman, MD
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Medicare: Not Enrolled in Medicare
Practice Location: 1425 S Main St, Walnut Creek, CA 94596
Phone: 925-295-4000    
Michael J Lipsett, M.D.
Preventive Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 650 Dapplegray Ct, Walnut Creek, CA 94596
Phone: 925-360-0605    
Philip N. Jenkins, MD
Preventive Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1425 S Main St, Walnut Creek, CA 94596
Phone: 925-295-4000    
Wesley Chan, M.D.
Preventive Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1981 N Broadway, Suite 190, Walnut Creek, CA 94596
Phone: 925-932-7715    Fax: 925-932-0603
June Gordon Gonzales, MD
Preventive Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 320 Lennon Ln, Walnut Creek, CA 94598
Phone: 925-906-2000    

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.