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

Dr. Diana K Yao, MD

Individual provider Specialist · NPI 1588678833

Dr. Diana K Yao, MD is a Gastroenterology in Long Beach, California. Graduated from George Washington University School of Medicine in 1990, 36 years ago. Practices with United Medical Doctors, a 169-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
36
Trained at
George Washington University 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

3833 Worsham Ave Ste 300
Long Beach, CA 90808-1766
Phone: (562) 595-5421
Fax: (562) 426-2826
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence G73884 (CA)

Record details

NPI number1588678833
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 29, 2006
Last updated in NPPESJanuary 10, 2022
Certification dateJanuary 10, 2022

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1990 (36 years in practice)
Group practice United Medical Doctors — 169 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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