Steven Lam, D.O.
Family Medicine Physician · Pomona, CA
Steven Lam, D.O. is a family medicine physician with a practice address in Pomona, California, and NPI 1083909600, issued on Jun 10, 2011. Check the license (California 20A11760, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Steven Lam
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 20A11760 CA
OS11205 FL
Self-reported in NPPES; status is on the state search - Practice location
- 795 E Second Street, Pomona, CA 91776
- Phone
- (909) 865-2565
- Enumerated
- Jun 10, 2011
- Record last updated
- Jun 15, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (909) 865-2955
- Medicaid ID
- RENDERING CA
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Steven Lam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A11760Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average family medicine physician in 2024
280 Medicare Part D claims for 79 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Ibuprofen26 claims
- Metformin Hcl23 claims
- Atorvastatin Calcium19 claims
- Lisinopril13 claims
- Jardiance12 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.
Steven Lam among 17,133 family medicine physician records in California
Steven Lam, D.O. 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 2011, is newer than 63% of them.
- NPI issued2011 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2012 · 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).
78 family medicine physician records list a practice address in Pomona
They are 78 of the 5,102 NPPES records with a practice address in Pomona, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Pomona → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Judith Cagan, M.D.San Gabriel, CA 917761194808923
- Luke Chan, M.D.San Gabriel, CA 917761558374116
- Sheng Chang, MDSan Gabriel, CA 917761871589903
- Hsiao- Fen Chen, M.DSan Gabriel, CA 917761366483497
- Hubert Chow, M.D.San Gabriel, CA 917761669697686
- Ying Feng Huang, M.D.San Gabriel, CA 917761134155146
- Susan Jung, MDSan Gabriel, CA 917761962415588
- Dan Le, D.O.San Gabriel, CA 917761790980258
Common questions
What is Steven Lam, D.O.'s NPI number?
Steven Lam, D.O.'s National Provider Identifier (NPI) is 1083909600, issued on Jun 10, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Steven Lam, D.O. located?
The NPPES record lists a practice address at 795 E Second Street, Pomona, CA, 91776. Phone: (909) 865-2565. Providers update this record themselves, so call before visiting.
How can I verify Steven Lam, D.O.'s license?
NPPES lists California license number 20A11760, 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 Steven Lam, D.O. prescribe under Medicare Part D?
In 2024, Steven Lam, D.O. had 280 Medicare Part D claims for 79 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.