Ramkrishna Kothur, M.D.
NPI 1922113075ActiveIndividual· Internal Medicine, Gastroenterology· Sun City, AZ
Internal Medicine, Gastroenterology (M.D.) with Arizona Digestive Health PC, practicing in Sun City, Arizona. Their prescriptions cost Medicare Part D more than their services did: $512,152 for 1,494 claims, against $193,643 paid for services in 2024. Janssen Biotech, Inc. was the largest of 18 companies reporting payments in 2025, $1,407 in all, mostly food and beverage. Lists Banner Boswell Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1922113075 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 20, 2006 |
| Last updated in NPPES | Feb 16, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 30654 | AZ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 625 |
|---|---|
| Services billed | 5,464 across 38 procedure codes |
| Paid by Medicare | $193,643 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,494 · 2,956 30-day fills |
|---|---|
| Patients | 443 |
| Total drug cost | $512,152 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1981 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical group
- Arizona Digestive Health PCSun City, AZ · 136 clinicians
Hospital affiliations
- Banner Boswell Medical CenterSun City, AZ
- Yavapai Regional Medical CenterPrescott, AZ
Industry payments (Open Payments)
- 2025$1,407 · 56 payments from 18 companies
- 2024$1,420 · 60 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $314.48 | 13 |
| Genzyme Corporation | $289.70 | 10 |
| Madrigal Pharmaceuticals | $135.57 | 5 |
| Mallinckrodt Hospital Products Inc. | $121.83 | 1 |
| Abbvie Inc. | $100.52 | 5 |
What the 2025 payments were for
- Food and Beverage$1,312 · 54 payments
- Education$94.48 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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