Richard Man-Kim Wong, M.D.
Geriatric Medicine (Internal Medicine) Physician · Fountain Valley, CA
Richard Man-Kim Wong, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Fountain Valley, California, and NPI 1659416436, issued on Feb 20, 2007. Check the license (California G52170, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Richard Man-Kim Wong
- Credential
- M.D.
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- G52170 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9930 Talbert Ave, Fountain Valley, CA 92708
- Phone
- (714) 964-6229
- Enumerated
- Feb 20, 2007
- Record last updated
- Jul 12, 2013 (not updated in 13 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 532 in California → Look up another NPI →
Also registered at 9930 Talbert Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Richard Man-Kim Wong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G52170Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
14 Medicare Part D claims, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D.
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.
Richard Man-Kim Wong among 532 geriatric medicine (internal medicine) physician records in California
Richard Man-Kim Wong, M.D. is one of 532 geriatric medicine (internal medicine) physician records with a practice address in California. 77% 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 54% of them.
- NPI issued2007 · 54% of these records are older, 34% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 51% of these records are
- Record last updated2013 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in California
There are 532 geriatric medicine (internal medicine) physician records in California.
All 532 in California → Every provider in Fountain Valley → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Victor Siew, M.D.Fountain Valley, CA 927081164515003
- Christopher Nguyen, MDMission Viejo, CA 926911588624100
- Dat Duong, M.D.Westminster, CA 926831689740912
- Robert Feldman, M.D.Laguna Hills, CA 926531194805416
- Patricia Gifford, MDLaguna Hills, CA 926531487725552
- Suhail Hawit, MDLaguna Hills, CA 926531538229224
- Sarah Teymoorian, M.D.Laguna Hills, CA 926531518147396
- John Homan, MDHuntington Beach, CA 926461437116142
Common questions
What is Richard Man-Kim Wong, M.D.'s NPI number?
Richard Man-Kim Wong, M.D.'s National Provider Identifier (NPI) is 1659416436, issued on Feb 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Richard Man-Kim Wong, M.D. located?
The NPPES record lists a practice address at 9930 Talbert Ave, Fountain Valley, CA, 92708. Phone: (714) 964-6229. Providers update this record themselves, so call before visiting.
How can I verify Richard Man-Kim Wong, M.D.'s license?
NPPES lists California license number G52170, 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 Richard Man-Kim Wong, M.D. prescribe under Medicare Part D?
In 2024, Richard Man-Kim Wong, M.D. had 14 Medicare Part D claims; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.