Gregory Timothy Wong, M.D.
Family Medicine Physician · San Francisco, CA
Gregory Timothy Wong, M.D. is a family medicine physician with a practice address in San Francisco, California, and NPI 1043233158, issued on Jul 26, 2006. Check the license (California A69611, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gregory Timothy Wong
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- A69611 CA
4301070265 MI
Self-reported in NPPES; status is on the state search - Practice location
- 229 7TH St, San Francisco, CA 94103
- Phone
- (415) 503-6000
- Enumerated
- Jul 26, 2006
- Record last updated
- Jan 4, 2022
- Fax
- (415) 503-6099
- Medicaid ID
- 633637 AZ
- Medicare enrollment
- Enrolled (PECOS I20160701000459); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 1997
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 229 7TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrea Almario, RDHDental Hygienist1457628596
- Judith Anderson, FNPFamily Nurse Practitioner1609958743
- Shashi Bala, RNRegistered Nurse1790123677
- Pei Chen, PA-CPhysician Assistant1205419165
- Gemma Ferrer, DMDGeneral Practice Dentistry1174747968
- Yogesh Jagirdar, M.D.Family Medicine Physician1457396723
Verify Gregory Timothy Wong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A69611Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average family medicine physician in 2024
97 Medicare Part D claims for 70 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.
Most prescribed
- Albuterol Sulfate Hfa29 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.
Bills Medicare through one group practice
- Permanente Medical Group IncVallejo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Timothy Wong among 17,133 family medicine physician records in California
Gregory Timothy 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 fileYes · 62% of these records are
- Graduated1997 · median 2005 among the 10,652 with a school on file
- Record last updated2022 · 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).
Family Medicine Physician providers in California
There are 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Francisco → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Khaled Aqeel, MDSan Francisco, CA 941031427314020
- Samantha Garey, PA-C, MPHSan Francisco, CA 941031427611730
- Ako Jacintho, MDSan Francisco, CA 941031275599052
- Yogesh Jagirdar, M.D.San Francisco, CA 941031457396723
- Eileen Kim, MDSan Francisco, CA 941031477943199
- Chen-Yuan Lu, M.D.San Francisco, CA 941031174934566
- Rose Quinones, PA-CSan Francisco, CA 941031285700856
- Stephany Rush, MDSan Francisco, CA 941031609308642
Common questions
What is Gregory Timothy Wong, M.D.'s NPI number?
Gregory Timothy Wong, M.D.'s National Provider Identifier (NPI) is 1043233158, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Timothy Wong, M.D. located?
The NPPES record lists a practice address at 229 7TH St, San Francisco, CA, 94103. Phone: (415) 503-6000. Providers update this record themselves, so call before visiting.
How can I verify Gregory Timothy Wong, M.D.'s license?
NPPES lists California license number A69611, 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 Gregory Timothy Wong, M.D. prescribe under Medicare Part D?
In 2024, Gregory Timothy Wong, M.D. had 97 Medicare Part D claims for 70 beneficiaries; 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.