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

Michael Duan, MD

Individual provider Internal Medicine Physician · NPI 1437737368

Michael Duan, MD is a Hospitalist in Fountain Valley, California. Graduated from Baylor College of Medicine in 2021, 5 years ago. Practices with Memorialcare Medical Foundation, a 562-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
5
Trained at
Baylor College of Medicine
Licensed in
CA
In the registry since
2021
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

17360 Brookhurst St
Fountain Valley, CA 92708
Phone: (877) 844-0012
Fax: (714) 665-4680
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A192864 (CA)

Record details

NPI number1437737368
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 31, 2021
Last updated in NPPESJuly 21, 2025
Certification dateJuly 21, 2025
Mailing address17360 Brookhurst St., Fountain Valley, CA 92708

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Medical schoolBAYLOR COLLEGE OF MEDICINE
Graduated 2021 (5 years in practice)
Group practice Memorialcare Medical Foundation — 562 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Fountain Valley