Francis Y. Wong, M.D
Family Medicine Physician · Lake Forest, CA
Francis Y. Wong, M.D is a family medicine physician with a practice address in Lake Forest, California, and NPI 1164453346, issued on Jul 5, 2006. Check the license (California G48540, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Francis Y. Wong
- Credential
- M.D
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G48540 CA
Self-reported in NPPES; status is on the state search - Practice location
- 22855 Lake Forest Dr Ste A, Lake Forest, CA 92630
- Phone
- (949) 452-7544
- Enumerated
- Jul 5, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 22855 Lake Forest Dr Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Scott Baron, P.APhysician Assistant1104861384
- Alan Berman, M.DEmergency Medicine Physician1396773636
- James Decock, M.DFamily Medicine Physician1720019904
- Stephen Misch, M.DFamily Medicine Physician1306877584
Verify Francis Y. Wong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G48540Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
22 Medicare Part D claims, against an average of 3,544 among the 117,163 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.
Industry payments in 2024: $16.22
1 payment: food and beverage; the largest payer was Celgene Corporation. The 55,478 providers of this specialty with any payment received $902.55 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.
Francis Y. Wong among 17,133 family medicine physician records in California
Francis Y. Wong, M.D is one of 17,133 family medicine physician records with a practice address in California. 81% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2007 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 family medicine physician records list a practice address in Lake Forest
They are 14 of the 1,008 NPPES records with a practice address in Lake Forest, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Lake Forest → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Mohammed Ali, M.D.Lake Forest, CA 926301053405506
- Carol Barnes-Blanks, MDLake Forest, CA 926301720009152
- Chyle Beaird, M.D.Lake Forest, CA 926301043374473
- Adel Boutros, MDLake Forest, CA 926301700952827
- Gertrude Chancellor, FNP-BCLake Forest, CA 926301467944900
- James Decock, M.DLake Forest, CA 926301720019904
- Carrie Diramio, MDLake Forest, CA 926301790782993
- Michael Grossman, M.D.Lake Forest, CA 926301942367008
Common questions
What is Francis Y. Wong, M.D's NPI number?
Francis Y. Wong, M.D's National Provider Identifier (NPI) is 1164453346, issued on Jul 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Francis Y. Wong, M.D located?
The NPPES record lists a practice address at 22855 Lake Forest Dr Ste A, Lake Forest, CA, 92630. Phone: (949) 452-7544. Providers update this record themselves, so call before visiting.
How can I verify Francis Y. Wong, M.D's license?
NPPES lists California license number G48540, 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 Francis Y. Wong, M.D prescribe under Medicare Part D?
In 2024, Francis Y. Wong, M.D had 22 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. 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.