Wan Yao, M.D.
Internal Medicine Physician · Monterey Park, CA
Wan Yao, M.D. is an internal medicine physician with a practice address in Monterey Park, California, and NPI 1518951649, issued on Sep 5, 2005. Check the license (California A77060, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Wan Yao
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A77060 CA
Self-reported in NPPES; status is on the state search - Practice location
- 228 N Garfield Ave Ste 302, Monterey Park, CA 91754
- Phone
- (626) 288-3219
- Enumerated
- Sep 5, 2005
- Record last updated
- Apr 19, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (888) 349-7157
- Medicaid ID
- 00A770601 CA
- Medicare enrollment
- Enrolled (PECOS I20040216000971); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Wan Yao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A77060Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.1 times the Medicare Part D claims of the average internal medicine physician in 2024
12,927 Medicare Part D claims for 698 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Rosuvastatin Calcium1,130 claims
- Amlodipine Besylate1,114 claims
- Atorvastatin Calcium660 claims
- Vascepa469 claims
- Raloxifene Hcl392 claims
- Olmesartan Medoxomil368 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: $117.83
5 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Wan Yao among 17,696 internal medicine physician records in California
Wan 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1996 · median 2004 among the 11,065 with a school on file
- Record last updated2019 · 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).
33 internal medicine physician records list a practice address in Monterey Park
They are 33 of the 948 NPPES records with a practice address in Monterey Park, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Monterey Park → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Lukchai Bhavabhutanon, D.O.Monterey Park, CA 917541922032952
- Edward Chang, MDMonterey Park, CA 917541780637199
- Charles Hung, M.D.Monterey Park, CA 917541518974161
- Chi Lam, MDMonterey Park, CA 917541205843778
- Pen Hong Lee, MDMonterey Park, CA 917541992807267
- Xiang-Hong Lin, MDMonterey Park, CA 917541578520771
- Li Liu, M.D.Monterey Park, CA 917541295722627
- Henry Luh, MDMonterey Park, CA 917541417961889
Common questions
What is Wan Yao, M.D.'s NPI number?
Wan Yao, M.D.'s National Provider Identifier (NPI) is 1518951649, issued on Sep 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Wan Yao, M.D. located?
The NPPES record lists a practice address at 228 N Garfield Ave Ste 302, Monterey Park, CA, 91754. Phone: (626) 288-3219. Providers update this record themselves, so call before visiting.
How can I verify Wan Yao, M.D.'s license?
NPPES lists California license number A77060, 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 Wan Yao, M.D. prescribe under Medicare Part D?
In 2024, Wan Yao, M.D. had 12,927 Medicare Part D claims for 698 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.