John K. Dibaise, M.D.
NPI 1043293434ActiveIndividual· Internal Medicine, Gastroenterology· Scottsdale, AZ
Internal Medicine, Gastroenterology (M.D.) in Scottsdale, Arizona, trained at University of Nebraska College of Medicine (class of 1992). In 2024 Medicare paid $141,631 for 967 patients, and Part D covered 240 of their prescriptions, 71% of them generic. Eli Lilly and Company was the largest of 2 companies reporting payments in 2025, $892.39 in all, mostly consulting fees.
Overview
| NPI | 1043293434 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 21, 2005 |
| Last updated in NPPES | Sep 10, 2020 |
| Certified by provider | Sep 10, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 33585 | AZ |
| Internal Medicine, Gastroenterology | 207RG0100X | 20817 | NE |
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 - Gastroenterology (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 967 |
|---|---|
| Services billed | 1,585 across 43 procedure codes |
| Paid by Medicare | $141,631 |
Part D prescriptions in 2024
| Prescriptions (claims) | 240 · 391 30-day fills |
|---|---|
| Patients | 79 |
| Total drug cost | $39,929 |
| Generic share | 71% of claims |
Education and affiliations
| Medical school | University of Nebraska College of Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Mayo Clinic ArizonaScottsdale, AZ · 1,626 clinicians
Hospital affiliation
- Mayo Clinic HospitalPhoenix, AZ
Other facilities
- Arizona Home CareHome health agency · Tempe, AZ
- Centerwell Home HealthHome health agency · Phoenix, AZ
Industry payments (Open Payments)
- 2025$892.39 · 2 payments from 2 companies
- 2024$2,250 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Eli Lilly and Company | $800.00 | 1 |
| Ironwood Pharmaceuticals, Inc | $92.39 | 1 |
What the 2025 payments were for
- Consulting Fee$800.00 · 1 payment
- Food and Beverage$92.39 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 136 gastroenterologists in Scottsdale · All gastroenterologists in Arizona