Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Dr. Usman G Rahim, MD

Individual provider Gastroenterology Physician · NPI 1033310883

Dr. Usman G Rahim, MD practises Gastroenterology in Orange, California. Qualified in 2012, 14 years ago. Practices with Central Valley General Hospital, a 87-clinician group, works from 2 locations and offers telehealth. Licensed in California, Illinois and Massachusetts.

Years since qualifying
14
Licensed in
CA, IL, MA
In the registry since
2007
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

101 The City Dr S Bldg 22
Orange, CA 92868-3201
Phone: (888) 717-4463
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 611 W Park St, Urbana, IL 61801-2529 — (217) 383-3610

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence A140939 (CA)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 036156495 (IL)
Physician Assistant Taxonomy 363A00000X · Licence 2014 (MA)

Record details

NPI number1033310883
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 30, 2007
Last updated in NPPESJune 6, 2023
Certification dateJune 6, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice Central Valley General Hospital — 87 clinicians
Accepts Medicare assignment Not indicated
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

Upper gastrointestinal (GI) endoscopy for acid reflux 293 times · 95th percentile
Colonoscopy 153 times · 89th percentile

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients272
Services billed 780 a service is one billed item, such as a visit, a test or a procedure
Average patient age73

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Travel and Lodging $1,786 6 payments · travel or lodging paid or reimbursed, such as to attend a conference
Food and Beverage $513 16 payments · a meal or drink at a meeting or visit, not a fee
Education $99 1 payment · educational material or training, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Colleagues at Central Valley General Hospital

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 87 clinicians in the practice; 12 are shown here.

Other providers in Orange