Jonathan P. Fishman, MD
NPI 1104813559ActiveIndividual· Internal Medicine, Gastroenterology· Denver, CO
Internal Medicine, Gastroenterology (MD) with Denver Digestive Health Specialists Inc, practicing in Denver, Colorado. Their prescriptions cost Medicare Part D more than their services did: $1,001,304 for 1,202 claims, against $323,806 paid for services in 2024. Genzyme Corporation was the largest of 18 companies reporting payments in 2025, $32,795 in all, mostly speaking and faculty fees. Lists HCA Healthone Rose as a hospital affiliation.
Overview
| NPI | 1104813559 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 30, 2005 |
| Last updated in NPPES | Feb 14, 2025 |
| Certified by provider | Feb 14, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 41157 | CO |
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 (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 625 |
|---|---|
| Services billed | 12,972 across 48 procedure codes |
| Paid by Medicare | $323,806 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,202 · 2,211 30-day fills |
|---|---|
| Patients | 439 |
| Total drug cost | $1,001,304 |
| Generic share | 62% of claims |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Denver Digestive Health Specialists IncDenver, CO · 20 clinicians
Hospital affiliation
- HCA Healthone RoseDenver, CO
Industry payments (Open Payments)
- 2025$32,795 · 194 payments from 18 companies
- 2024$32,164 · 254 payments from 26 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $15,430 | 15 |
| Regeneron Healthcare Solutions, Inc. | $15,090 | 37 |
| Abbvie Inc. | $614.92 | 41 |
| Janssen Biotech, Inc. | $458.02 | 29 |
| Takeda Pharmaceuticals U.S.A., Inc. | $292.93 | 21 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$26,203 · 5 payments
- Travel and Lodging$3,482 · 18 payments
- Food and Beverage$3,111 · 171 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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