Registry data as of Aug 27, 2026

Wai Wai, M.D.

Internal Medicine Physician · Temple City, CA

Wai Wai, M.D. is an internal medicine physician with a practice address in Temple City, California, and NPI 1871789206, issued on Sep 19, 2007. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1871789206
Name
Wai Wai
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
9810 Las Tunas Dr, Temple City, CA 91780
Phone
(626) 309-7601
Enumerated
Sep 19, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 9810 Las Tunas Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Yan Chen, MDFamily Medicine Physician1023064250
  2. Sarah Eghbali, P.A.Physician Assistant1538598156
  3. Stephanie Huang, MDFamily Medicine Physician1932765450
  4. Joseph Valentine, M.D.Internal Medicine Physician1124084249
  5. Howard Young, MDInternal Medicine Physician1386751899

Verify Wai Wai in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

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

6,737 Medicare Part D claims for 513 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 62 claims were for opioids.

  1. Wai Wai6,737
  2. Specialty average2,785

Most prescribed

  1. Atorvastatin Calcium693 claims
  2. Amlodipine Besylate435 claims
  3. Alendronate Sodium343 claims
  4. Losartan Potassium321 claims
  5. Levothyroxine Sodium317 claims
  6. Metformin Hcl Er259 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: $772.66

8 payments, mostly food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Wai Wai$772.66
  2. Specialty average$2,536.66

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

One hospital or facility affiliation

  1. Healthcare Partners Affiliates Medical GroupCarson, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

4 internal medicine physician records list a Temple City practice address

They are 4 of the 266 NPPES records with a Temple City practice address, and 20,403 internal medicine physician records in California.

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is Wai Wai, M.D.'s NPI number?

Wai Wai, M.D.'s National Provider Identifier (NPI) is 1871789206, issued on Sep 19, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Wai Wai, M.D. located?

The NPPES record lists a practice address at 9810 Las Tunas Dr, Temple City, CA, 91780. Phone: (626) 309-7601. Providers update this record themselves, so call before visiting.

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

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 Wai Wai, M.D. prescribe under Medicare Part D?

In 2024, Wai Wai, M.D. had 6,737 Medicare Part D claims for 513 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.