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

Individual provider Internal Medicine Physician · NPI 1073729588

Dr. Derek T Phan, MD is an Internal Medicine in Westminster, California. Graduated from New York Medical College in 2005, 21 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
21
Trained at
New York Medical College
Licensed in
CA
In the registry since
2007
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

9191 Bolsa Ave Ste 205
Westminster, CA 92683-5561
Phone: (714) 891-7035
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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 A99908 (CA)

Record details

NPI number1073729588
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 14, 2007
Last updated in NPPESOctober 7, 2009
Mailing address9191 Bolsa Ave Ste 205, Westminster, CA 92683-5561

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 2005 (21 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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