Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Stacy Dau Ly, MD

Individual provider Internal Medicine Physician · NPI 1649458795

Dr. Stacy Dau Ly, MD is an Internal Medicine in Concord, California. Graduated from George Washington University School of Medicine in 2006, 20 years ago. Practices with John Muir Physician Network, a 486-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
20
Trained at
George Washington University School of Medicine
Licensed in
CA
In the registry since
2008
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2700 Grant St Ste 200
Concord, CA 94520-2266
Phone: (925) 674-2609
Fax: (925) 674-2211
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A102438 (CA)

Record details

NPI number1649458795
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 31, 2008
Last updated in NPPESJune 21, 2012
Mailing addressDept 34929, P.O. 39000, San Francisco, CA 94139-0001

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2006 (20 years in practice)
Group practice John Muir Physician Network — 486 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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