Gerald Muthu, M.D,
NPI 1275500902ActiveIndividual· Internal Medicine· Casa Grande, AZ
Internal Medicine (M.D,) with Gerald Muthu, LLC, practicing in Casa Grande, Arizona. Their prescriptions cost Medicare Part D more than their services did: $2,084,198 for 16,208 claims, against $522,998 paid for services in 2024. Novo Nordisk Inc reported $124.38 in payments in 2025, mostly food and beverage. Lists Banner Casa Grande Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1275500902 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D, |
| Sole proprietor | Yes |
| NPI issued | Mar 1, 2006 |
| Last updated in NPPES | Feb 15, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 25612 | 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 | 1,258 |
|---|---|
| Services billed | 10,031 across 48 procedure codes |
| Paid by Medicare | $522,998 |
Part D prescriptions in 2024
| Prescriptions (claims) | 16,208 · 41,846 30-day fills |
|---|---|
| Patients | 1,537 |
| Total drug cost | $2,084,198 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1988 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Gerald Muthu, LLCCasa Grande, AZ · 2 clinicians
Hospital affiliations
- Banner Casa Grande Medical CenterCasa Grande, AZ
- Mercy Gilbert Medical CenterGilbert, AZ
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
Industry payments (Open Payments)
- 2025$124.38 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $124.38 | 1 |
What the 2025 payments were for
- Food and Beverage$124.38 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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