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

Patrick Y Yao, MD

Individual provider Internal Medicine Physician · NPI 1235159377

Patrick Y Yao, MD practises Internal Medicine in Los Angeles, California. Graduated from University of California, Geffen School of Medicine in 1996, 30 years ago. Practices with The Regents of the University of California, a 1,414-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
30
Trained at
University of California, Geffen 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

200 Medical Plz #365 530 420 120
Los Angeles, CA 90095-3075 Not confirmed with CMS for 16 years — call before visiting
Phone: (310) 206-8000
Fax: (310) 206-8005
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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 A65613 (CA)

Record details

NPI number1235159377
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 20, 2006
Last updated in NPPESJuly 23, 2010

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE
Graduated 1996 (30 years in practice)
Group practice The Regents Of The University Of California — 1414 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations8 on file with Medicare

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

Removal of nail tissue 1–10 times
Removal of skin lesions 1–10 times

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients600
Services billed 4,985 a service is one billed item, such as a visit, a test or a procedure
Average patient age76

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Colleagues at The Regents of the University of California

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1414 clinicians in the practice; 12 are shown here.

Other providers in Los Angeles