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

Dr. David J Chapman, MD

Individual provider Gastroenterology Physician · NPI 1053321943

Dr. David J Chapman, MD is a Gastroenterology in Yorba Linda, California. Graduated from University of California, San Francisco School of Medicine in 1975, 51 years ago. Practices with Regents of the University of California, a 61-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
51
Trained at
University of California, San Francisco School of Medicine
Licensed in
CA
In the registry since
2006
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

16671 Yorba Linda Blvd Ste 200
Yorba Linda, CA 92886-2046
Phone: (714) 996-3700
Fax: (714) 961-7839
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence G36066 (CA)

Record details

NPI number1053321943
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 9, 2006
Last updated in NPPESJune 13, 2016

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE
Graduated 1975 (51 years in practice)
Group practice Regents Of The University Of California — 61 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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