Charles L. Krone, M.D.
NPI 1497899173ActiveIndividual· Internal Medicine, Gastroenterology· Tucson, AZ
Internal Medicine, Gastroenterology (M.D.) in Tucson, Arizona, trained at Albert Einstein College of Medicine of Yeshiva University (class of 1962). Their prescriptions cost Medicare Part D more than their services did: $163,931 for 547 claims, against $32,151 paid for services in 2024. Janssen Biotech, Inc. was the largest of 18 companies reporting payments in 2025, $2,695 in all, mostly food and beverage.
Overview
| NPI | 1497899173 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Feb 16, 2007 |
| Last updated in NPPES | Nov 8, 2021 |
| Certified by provider | Nov 8, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 5671 | 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 | 168 |
|---|---|
| Services billed | 328 across 10 procedure codes |
| Paid by Medicare | $32,151 |
Part D prescriptions in 2024
| Prescriptions (claims) | 547 · 1,316 30-day fills |
|---|---|
| Patients | 171 |
| Total drug cost | $163,931 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | Albert Einstein College of Medicine of Yeshiva University |
|---|---|
| Graduation year | 1962 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Gastroenterology |
Medical group
- Swan Gastroenterology PCSierra Vista, AZ · 8 clinicians
Hospital affiliation
- Tucson Medical CenterTucson, AZ
Industry payments (Open Payments)
- 2025$2,695 · 83 payments from 18 companies
- 2024$2,008 · 84 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $851.02 | 20 |
| Abbvie Inc. | $487.83 | 23 |
| Takeda Pharmaceuticals U.S.A., Inc. | $324.40 | 10 |
| Phathom Pharmaceuticals, Inc. | $180.39 | 3 |
| Gilead Sciences, Inc. | $155.63 | 4 |
What the 2025 payments were for
- Food and Beverage$2,695 · 83 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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