Mohammed T. Zara, M.D.
NPI 1770572976ActiveIndividual· Internal Medicine· Casa Grande, AZ
Internal Medicine (M.D.) with Casa Grande Internal Medicine PC, practicing in Casa Grande, Arizona. Their prescriptions cost Medicare Part D more than their services did: $936,350 for 10,678 claims, against $605,058 paid for services in 2024. Novo Nordisk Inc was the largest of 19 companies reporting payments in 2025, $944.73 in all, mostly food and beverage.
Overview
| NPI | 1770572976 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 19, 2005 |
| Last updated in NPPES | Mar 12, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | AZ22548 | AZ |
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 - Internal Medicine (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,015 |
|---|---|
| Services billed | 11,854 across 60 procedure codes |
| Paid by Medicare | $605,058 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,678 · 28,514 30-day fills |
|---|---|
| Patients | 1,179 |
| Total drug cost | $936,350 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1980 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Casa Grande Internal Medicine PCCasa Grande, AZ · 4 clinicians
Other facilities
- Angels Care Home HealthHome health agency · Casa Grande, AZ
- Banner Home Care-ArizonaHome health agency · Mesa, AZ
- Meridian Healthcare Providers, Inc.Home health agency · Phoenix, AZ
- Sweetheart Healthcare LLCHome health agency · Chandler, AZ
- Thema Health ServicesHome health agency · Phoenix, AZ
- Universal Hospice Care ServicesHospice · Phoenix, AZ
Industry payments (Open Payments)
- 2025$944.73 · 43 payments from 19 companies
- 2024$984.92 · 65 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $197.16 | 6 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $87.74 | 4 |
| Eisai Inc. | $82.11 | 3 |
| Viatris Specialty LLC | $66.68 | 3 |
| Abbott Laboratories | $63.75 | 4 |
What the 2025 payments were for
- Food and Beverage$944.73 · 43 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 16 internal medicine physicians in Casa Grande · All internal medicine physicians in Arizona