Usman G. Rahim, M.D.
Gastroenterology Physician · Orange, CA
Usman G. Rahim, M.D. is a gastroenterology physician with a practice address in Orange, California, and NPI 1033310883, issued on May 30, 2007. Check the license (California A140939, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Usman G. Rahim
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- A140939 CA
036156495 IL
2014 MA
Self-reported in NPPES; status is on the state search - Practice location
- 101 The City Dr S Bldg 22, Orange, CA 92868
- Phone
- (888) 717-4463
- Enumerated
- May 30, 2007
- Record last updated
- Jun 6, 2023
- Medicare enrollment
- Enrolled (PECOS I20210722001114); may accept Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Verify Usman G. Rahim in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A140939Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average gastroenterology physician in 2024
167 Medicare Part D claims for 96 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.
Most prescribed
- Peg-3350 And Electrolytes50 claims
- Gavilyte-G29 claims
- Omeprazole21 claims
- Pantoprazole Sodium19 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.
Industry payments in 2024: $9,150.40
13 payments; by number, the most common kind was food and beverage; the largest payer was Cook Incorporated. The 13,350 providers of this specialty with any payment received $5,015.95 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.
Bills Medicare through 3 group practices
- Adventist Health Physicians NetworkHanford, CA
- Central Valley General HospitalHanford, CA
- Community Foundation Medical GroupFresno, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Usman G. Rahim among 2,140 gastroenterology physician records in California
Usman G. Rahim, M.D. is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 52% of them.
- NPI issued2007 · 52% of these records are older, 37% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2012 · median 2002 among the 1,538 with a school on file
- Record last updated2023 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in Orange → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Alaa Abousaif, MDOrange, CA 928681235124108
- William Collins, MDOrange, CA 928681104892074
- Jessica Hung, M.D.Orange, CA 928681396786323
- William Karnes, MDOrange, CA 928681881652998
- James Lee, MDOrange, CA 928681750358735
- Robert Lee, M.D.Orange, CA 928681669583530
- John Lee, MDOrange, CA 928681487734521
- William Metzger, MDOrange, CA 928681629040308
Common questions
What is Usman G. Rahim, M.D.'s NPI number?
Usman G. Rahim, M.D.'s National Provider Identifier (NPI) is 1033310883, issued on May 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Usman G. Rahim, M.D. located?
The NPPES record lists a practice address at 101 The City Dr S Bldg 22, Orange, CA, 92868. Phone: (888) 717-4463. Providers update this record themselves, so call before visiting.
How can I verify Usman G. Rahim, M.D.'s license?
NPPES lists California license number A140939, 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 Usman G. Rahim, M.D. prescribe under Medicare Part D?
In 2024, Usman G. Rahim, M.D. had 167 Medicare Part D claims for 96 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.