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

Dr. David Deguire Chan, DO

Individual provider Internal Medicine Physician · NPI 1497068688

Dr. David Deguire Chan, DO is a Hospitalist in Fountain Valley, California. Qualified in 2010, 16 years ago. Practices with Alpha Hospitalist Group Inc, a 13-clinician group and accepts Medicare assignment. Licensed in California and Illinois.

Years since qualifying
16
Licensed in
CA, IL
In the registry since
2010
Specialties on file
3
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

10840 Warner Ave Ste 103
Fountain Valley, CA 92708-3847
Phone: (714) 395-4595
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 20A13372 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 20A13372 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 125057749 (IL)

Record details

NPI number1497068688
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedJuly 16, 2010
Last updated in NPPESNovember 21, 2019
Mailing address10840 Warner Ave Ste 103, Fountain Valley, CA 92708-3847

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Alpha Hospitalist Group Inc — 13 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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