William G. Wong, M.D.
Internal Medicine Physician · Bellflower, CA
William G. Wong, M.D. is an internal medicine physician with a practice address in Bellflower, California, and NPI 1093723306, issued on Aug 3, 2006. Check the license (California G34456, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- William G. Wong
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G34456 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10234 Rosecrans Ave, Bellflower, CA 90706
- Phone
- (562) 920-1632
- Enumerated
- Aug 3, 2006
- Record last updated
- Jul 31, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (562) 920-4642
- Medicaid ID
- 00G344560 CA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 10234 Rosecrans Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Johnny Canciller, P.A.-CPhysician Assistant1508038043
- Alexis Fregoli, PAPhysician Assistant1942960349
- Joel Golden, M.D.Nephrology Physician1386651230
- Stacey Jean-Pierre, PA-CPhysician Assistant1912300690
- Charles Kung, M.D.Internal Medicine Physician1922014174
Verify William G. Wong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G34456Check 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 internal medicine physician in 2024
19 Medicare Part D claims, against an average of 3,176 among the 108,855 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.
William G. Wong among 17,696 internal medicine physician records in California
William G. Wong, 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2013 · 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).
72 internal medicine physician records list a practice address in Bellflower
They are 72 of the 1,468 NPPES records with a practice address in Bellflower, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Bellflower → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Alem Asrat, MDBellflower, CA 907061801967724
- Asha Bisht, MDBellflower, CA 907061568533487
- Jane Fealy, MDBellflower, CA 907061700957743
- Ghassan Gholmieh, MDBellflower, CA 907061164599064
- Calvin Hong, MDBellflower, CA 907061497822316
- Rowena Javier, MDBellflower, CA 907061366513285
- Chandrabhan Kewalramani, MDBellflower, CA 907061629149521
- Charles Kung, M.D.Bellflower, CA 907061922014174
Common questions
What is William G. Wong, M.D.'s NPI number?
William G. Wong, M.D.'s National Provider Identifier (NPI) is 1093723306, issued on Aug 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William G. Wong, M.D. located?
The NPPES record lists a practice address at 10234 Rosecrans Ave, Bellflower, CA, 90706. Phone: (562) 920-1632. Providers update this record themselves, so call before visiting.
How can I verify William G. Wong, M.D.'s license?
NPPES lists California license number G34456, 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 William G. Wong, M.D. prescribe under Medicare Part D?
In 2024, William G. Wong, M.D. had 19 Medicare Part D claims; 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.
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.