NPPES file of Aug 9, 2026

Yu Yao, M.D.

Internal Medicine Physician · San Gabriel, CA

Yu Yao, M.D. is an internal medicine physician with a practice address in San Gabriel, California, and NPI 1356307821, issued on Apr 25, 2006. Check the license (California A55370, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1356307821
Name
Yu Yao
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A55370 CA
Self-reported in NPPES; status is on the state search
Practice location
230 E Valley Blvd, San Gabriel, CA 91776
Phone
(626) 288-1918
Enumerated
Apr 25, 2006
Record last updated
Jan 26, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(626) 288-0796
Medicaid ID
00A553700 CA
Medicare enrollment
Enrolled (PECOS I20100301000651); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Yu Yao in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A55370
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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11.9 times the Medicare Part D claims of the average internal medicine physician in 2024

37,903 Medicare Part D claims for 1,925 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 132 claims were for opioids.

  1. Yu Yao37,903
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium3,088 claims
  2. Amlodipine Besylate2,822 claims
  3. Losartan Potassium1,605 claims
  4. Levocetirizine Dihydrochloride1,368 claims
  5. Metformin Hcl895 claims
  6. Triamcinolone Acetonide759 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $383.35

17 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Yu Yao$383.35
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. YU Yao MD A Professional CorporationSan Gabriel, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Yu Yao among 17,696 internal medicine physician records in California

Yu Yao, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1986 · median 2004 among the 11,065 with a school on file
  • Record last updated2015 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

24 internal medicine physician records list a practice address in San Gabriel

They are 24 of the 762 NPPES records with a practice address in San Gabriel, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Kenneth Chan, M.D.San Gabriel, CA 917761861422370
  2. Michelle Chan, M.D.San Gabriel, CA 917761043326283
  3. Araceli Chanbonpin, M.D.San Gabriel, CA 917761962572909
  4. Jennifer Chen, MDSan Gabriel, CA 917761548335516
  5. Le-Young Lee, MDSan Gabriel, CA 917761861417586
  6. Su Lee, M.D.San Gabriel, CA 917761871510370
  7. Charles Lin, MDSan Gabriel, CA 917761982719225
  8. Garry Pratt, MDSan Gabriel, CA 917761679592281

Common questions

What is Yu Yao, M.D.'s NPI number?

Yu Yao, M.D.'s National Provider Identifier (NPI) is 1356307821, issued on Apr 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Yu Yao, M.D. located?

The NPPES record lists a practice address at 230 E Valley Blvd, San Gabriel, CA, 91776. Phone: (626) 288-1918. Providers update this record themselves, so call before visiting.

How can I verify Yu Yao, M.D.'s license?

NPPES lists California license number A55370, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Yu Yao, M.D. prescribe under Medicare Part D?

In 2024, Yu Yao, M.D. had 37,903 Medicare Part D claims for 1,925 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.