Omar Marar, M.D.
NPI 1912252321ActiveIndividual· Colon & Rectal Surgery· Phoenix, AZ
Colon & Rectal Surgery (M.D.) in Phoenix, Arizona, licensed in MI and PA, with an NPI issued in July 2012. Their prescriptions cost Medicare Part D more than their services did: $447,994 for 90 claims, against $11,859 paid for services in 2024. Lists Dignity Health - Arizona General Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1912252321 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 23, 2012 |
| Last updated in NPPES | Apr 7, 2026 |
| Certified by provider | Apr 7, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Colon & Rectal Surgery Primary | 208C00000X | 4301113819 | MI |
| Surgery | 208600000X | MT202922 | PA |
| Surgery | 208600000X | 4301113819 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Colorectal Surgery (Proctology) (AZ); Practitioner - Colorectal Surgery (Proctology) (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 47 |
|---|---|
| Services billed | 68 across 28 procedure codes |
| Paid by Medicare | $11,859 |
Part D prescriptions in 2024
| Prescriptions (claims) | 90 · 109 30-day fills |
|---|---|
| Patients | 50 |
| Total drug cost | $447,994 |
| Generic share | 58% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Colorectal Surgery (Proctology) |
Hospital affiliations
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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