NPPES file of Aug 9, 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 (California A054304, 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
1871789206
Name
Wai Wai
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A054304 CA
Self-reported in NPPES; status is on the state search
Practice location
9810 Las Tunas Dr, Temple City, CA 91780
Phone
(626) 309-7601
Enumerated
Sep 19, 2007
Record last updated
Jan 14, 2026
Fax
(626) 309-9345
Medicare enrollment
Enrolled (PECOS I20080421000419); 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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8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →

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 California
    Search for license A054304    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

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

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2.1 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 3,176 among the 108,855 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 average3,176

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; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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. Wai Wai$772.66
  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. Healthcare Partners Affiliates Medical GroupCarson, CA

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

Wai Wai among 17,696 internal medicine physician records in California

Wai Wai, 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 2007, is newer than 44% of them.

  • NPI issued2007 · 44% of these records are older, 44% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1984 · median 2004 among the 11,065 with a school on file
  • Record last updated2026 · 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).

4 internal medicine physician records list a practice address in Temple City

They are 4 of the 266 NPPES records with a practice address in Temple City, and 17,696 internal medicine physician records in California.

All 17,696 in California → Every provider in Temple City → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Hsien Shih, M.DTemple City, CA 917801427214824
  2. Joseph Valentine, M.D.Temple City, CA 917801124084249
  3. Howard Young, MDTemple City, CA 917801386751899
  4. Araceli Chanbonpin, M.D.San Gabriel, CA 917761962572909
  5. Jennifer Chen, MDSan Gabriel, CA 917761548335516
  6. Peter Chiu, M.D.San Gabriel, CA 917761740338151
  7. Aaron Jeng, MD, MPHSan Gabriel, CA 917761003053851
  8. Michael Ma, MDSan Gabriel, CA 917761891945804

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?

NPPES lists California license number A054304, 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 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 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.