Kenneth L. Diamond, MD
NPI 1164465688ActiveIndividual· Internal Medicine, Gastroenterology· Yuma, AZ
Internal Medicine, Gastroenterology (MD) with Arizona Gastrointestinal Associates PLC, practicing in Yuma, Arizona. In 2024 Medicare paid $12,175 for 125 patients, and Part D covered 205 of their prescriptions, 88% of them generic. Abbvie Inc. was the largest of 2 companies reporting payments in 2025, $138.80 in all, mostly food and beverage. Lists Yuma Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1164465688 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 13, 2006 |
| Last updated in NPPES | Nov 19, 2025 |
| Certified by provider | Nov 19, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 35.144478 | OH |
| Internal Medicine, Gastroenterology | 207RG0100X | ME47970 | FL |
| Internal Medicine, Gastroenterology | 207RG0100X | 036-067677 | IL |
| Internal Medicine, Gastroenterology | 207RG0100X | 70105 | 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); Practitioner - Gastroenterology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 125 |
|---|---|
| Services billed | 136 across 15 procedure codes |
| Paid by Medicare | $12,175 |
Part D prescriptions in 2024
| Prescriptions (claims) | 205 · 308 30-day fills |
|---|---|
| Patients | 110 |
| Total drug cost | $11,173 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1982 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical group
- Arizona Gastrointestinal Associates PLCScottsdale, AZ · 36 clinicians
Hospital affiliation
- Yuma Regional Medical CenterYuma, AZ
Industry payments (Open Payments)
- 2025$138.80 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $125.00 | 1 |
| Janssen Biotech, Inc. | $13.80 | 1 |
What the 2025 payments were for
- Food and Beverage$138.80 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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