Omar Nadhem, M.D.
Gastroenterology Physician · Phoenix, AZ
Omar Nadhem, M.D. is a gastroenterology physician with a practice address in Phoenix, Arizona, and NPI 1598022725, issued on Apr 12, 2012. Check the license on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Omar Nadhem
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 0116030678 VA
Self-reported in NPPES; status is on the state search - Practice location
- 2901 North Central Avenue, Phoenix, AZ 85012
- Phone
- (918) 502-1900
- Enumerated
- Apr 12, 2012
- Record last updated
- Jul 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210824002488); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 403 in Arizona → Look up another NPI →
Also registered at 2901 North Central Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Wilkinson, MDAnesthesiology Physician1356321863
Verify Omar Nadhem in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average gastroenterology physician in 2024
1,935 Medicare Part D claims for 504 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Pantoprazole Sodium505 claims
- Omeprazole249 claims
- Linzess232 claims
- Famotidine190 claims
- Esomeprazole Magnesium105 claims
- Dicyclomine Hcl56 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 87.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Banner Physician Specialists Arizona LLCCasa Grande, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Omar Nadhem among 403 gastroenterology physician records in Arizona
Omar Nadhem, M.D. is one of 403 gastroenterology physician records with a practice address in Arizona. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 78% of them.
- NPI issued2012 · 78% of these records are older, 20% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2005 · median 2001 among the 295 with a school on file
- Record last updated2021 · 47% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Arizona
There are 403 gastroenterology physician records in Arizona.
All 403 in Arizona → Every provider in Phoenix → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Aaron Goldberg, M.D.Phoenix, AZ 850121417120049
- David Johnson, M.D.Phoenix, AZ 850121295760627
- Rakesh Nanda, MDPhoenix, AZ 850121982717799
- Stacie Vela, M.D.Phoenix, AZ 850121831286830
- Michele Young, MDPhoenix, AZ 850121801841911
- Shahab Aftahi, M.D.Phoenix, AZ 850131881656783
- Layth Al-Jashaami, M.DPhoenix, AZ 850131255691895
- Elizabeth Cruz, MDPhoenix, AZ 850131891749313
Common questions
What is Omar Nadhem, M.D.'s NPI number?
Omar Nadhem, M.D.'s National Provider Identifier (NPI) is 1598022725, issued on Apr 12, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Omar Nadhem, M.D. located?
The NPPES record lists a practice address at 2901 North Central Avenue, Phoenix, AZ, 85012. Phone: (918) 502-1900. Providers update this record themselves, so call before visiting.
How can I verify Omar Nadhem, M.D.'s license?
Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Omar Nadhem, M.D. prescribe under Medicare Part D?
In 2024, Omar Nadhem, M.D. had 1,935 Medicare Part D claims for 504 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Omar Nadhem, M.D.'s MIPS final score?
The 2023 MIPS final score is 87.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.