Thomas Pham, D.O., CAQSM
Family Medicine Physician · Riverside, CA
Thomas Pham, D.O., CAQSM is a family medicine physician with a practice address in Riverside, California, and NPI 1942497193, issued on Oct 2, 2007. Check the license (California 20A9023, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thomas Pham
- Credential
- D.O., CAQSM
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A9023 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4444 Magnolia Ave, Riverside, CA 92501
- Phone
- (949) 929-9519
- Enumerated
- Oct 2, 2007
- Entity
- Type 1 · individual
Also registered at 4444 Magnolia Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Clover, MED, ATC, PTAPhysical Therapy Assistant1275508400
- Brent Harper, DPT, OCS, CSCSSports Physical Therapist1902024169
- Thomas Hartley, M.D.Orthopaedic Surgery Physician1164407391
- Brian Hild, MDOrthopaedic Surgery Physician1013952001
- Danica Macias, DPTPhysical Medicine & Rehabilitation Physician1710131750
- Kim Samosky, MPT, OCS, ATCOrthopedic Physical Therapist1639394414
Verify Thomas Pham in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A9023Check 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 3,519 among the 111,126 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: $119.76
1 payment, mostly food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 53,013 providers of this specialty with any payment received $861.30 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.
One hospital or facility affiliation
- Southern California Permanente Medical GroupFontana, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
242 family medicine physician records list a Riverside practice address
They are 242 of the 13,893 NPPES records with a Riverside practice address, and 16,272 family medicine physician records in California.
All 242 in Riverside → All 16,272 in California → Every provider in Riverside →
Other family medicine physician records in California
- Omer Aba-Omer, MDSanta Monica, CA1649702093
- Michelle Ababa, MDWilmington, CA1710922513
- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Thomas Pham, D.O., CAQSM's NPI number?
Thomas Pham, D.O., CAQSM's National Provider Identifier (NPI) is 1942497193, issued on Oct 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Pham, D.O., CAQSM located?
The NPPES record lists a practice address at 4444 Magnolia Ave, Riverside, CA, 92501. Phone: (949) 929-9519. Providers update this record themselves, so call before visiting.
How can I verify Thomas Pham, D.O., CAQSM's license?
NPPES lists California license number 20A9023, 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 Thomas Pham, D.O., CAQSM prescribe under Medicare Part D?
In 2024, Thomas Pham, D.O., CAQSM had 22 Medicare Part D claims; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.