Omar Marar, M.D.
Colon & Rectal Surgery Physician · Phoenix, AZ
Omar Marar, M.D. is a colon & rectal surgery physician with a practice address in Phoenix, Arizona, and NPI 1912252321, issued on Jul 23, 2012. Check the license on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Omar Marar
- Credential
- M.D.
- Primary taxonomy
- Colon & Rectal Surgery Physician 208C00000X
- License numbers
- 4301113819 MI
MT202922 PA
Self-reported in NPPES; status is on the state search - Practice location
- 6036 N 19TH Ave Ste 208, Phoenix, AZ 85015
- Phone
- (480) 896-9888
- Enumerated
- Jul 23, 2012
- Record last updated
- Apr 7, 2026
- Fax
- (602) 953-5466
- Medicare enrollment
- Enrolled (PECOS I20251023001303); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest colon & rectal surgery physician records → All 60 in Arizona → Look up another NPI →
Verify Omar Marar 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
53% fewer Medicare Part D claims than the average colon & rectal surgery physician in 2024
90 Medicare Part D claims for 50 beneficiaries, against an average of 192 among the 1,836 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.
Most prescribed
- Lactated Ringers12 claims
- Peg-3350 And Electrolytes11 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): 85.8 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).
Omar Marar among 60 colon & rectal surgery physician records in Arizona
Omar Marar, M.D. is one of 60 colon & rectal surgery physician records with a practice address in Arizona. 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 2012, is newer than 75% of them.
- NPI issued2012 · 75% of these records are older, 22% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2012 · median 2003 among the 45 with a school on file
- Record last updated2026 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208C00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Colon & Rectal Surgery Physician providers in Arizona
There are 60 colon & rectal surgery physician records in Arizona.
All 60 in Arizona → Every provider in Phoenix → Colon & Rectal Surgery Physician nationwide →
The 8 colon & rectal surgery physician records with the nearest ZIP codes
- Ann Kalhorn, M.D.Phoenix, AZ 850161942296629
- Elizabeth McConnell, MDPhoenix, AZ 850161952393761
- Jonathan Dameworth, M.D.Phoenix, AZ 850131194102772
- Ronald Gagliano, M.D.Phoenix, AZ 850131043296460
- Nimesh Naik, MDPhoenix, AZ 850131306281308
- Stephen Brown, M.D.Phoenix, AZ 850061558358275
- Ashley Casano, DOPhoenix, AZ 850061255777694
- Marc Goldblatt, M.D.Phoenix, AZ 850061154317824
Common questions
What is Omar Marar, M.D.'s NPI number?
Omar Marar, M.D.'s National Provider Identifier (NPI) is 1912252321, issued on Jul 23, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Omar Marar, M.D. located?
The NPPES record lists a practice address at 6036 N 19TH Ave Ste 208, Phoenix, AZ, 85015. Phone: (480) 896-9888. Providers update this record themselves, so call before visiting.
How can I verify Omar Marar, 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 Marar, M.D. prescribe under Medicare Part D?
In 2024, Omar Marar, M.D. had 90 Medicare Part D claims for 50 beneficiaries; the average among colon & rectal surgery physician prescribers was 192. Part D covers Medicare prescriptions only.
What is Omar Marar, M.D.'s MIPS final score?
The 2023 MIPS final score is 85.8 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.