Frederick W. Lewis, M.D.
NPI 1184738320ActiveIndividual· Internal Medicine, Gastroenterology· Englewood, CO
Internal Medicine, Gastroenterology (M.D.) in Englewood, Colorado, trained at Emory University School of Medicine (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $675,955 for 1,122 claims, against $52,754 paid for services in 2024. Abbvie Inc. was the largest of 3 companies reporting payments in 2025, $407.49 in all, mostly food and beverage.
Overview
| NPI | 1184738320 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 17, 2006 |
| Last updated in NPPES | Oct 13, 2026 |
| Certified by provider | Oct 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 28833 | CO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 255 |
|---|---|
| Services billed | 674 across 37 procedure codes |
| Paid by Medicare | $52,754 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,122 · 2,437 30-day fills |
|---|---|
| Patients | 354 |
| Total drug cost | $675,955 |
| Generic share | 73% of claims |
Education and affiliations
| Medical school | Emory University School of Medicine |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- South Denver Gastroenterology, P.CLone Tree, CO · 54 clinicians
Hospital affiliations
- Adventhealth LittletonLittleton, CO
- Hca-Healthone DBA Swedish Medical CenterEnglewood, CO
Industry payments (Open Payments)
- 2025$407.49 · 5 payments from 3 companies
- 2024$362.30 · 9 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $263.93 | 3 |
| Boston Scientific Corporation | $126.78 | 1 |
| Gilead Sciences, Inc. | $16.78 | 1 |
What the 2025 payments were for
- Food and Beverage$407.49 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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