Henry M. Allen, D.O.
NPI 1154382299ActiveIndividual· Specialist· Oklahoma City, OK
Specialist (D.O.) in Oklahoma City, Oklahoma, licensed in OK, with an NPI issued in March 2006. Their prescriptions cost Medicare Part D more than their services did: $816,504 for 6,583 claims, against $63,968 paid for services in 2024. Novo Nordisk Inc was the largest of 3 companies reporting payments in 2025, $83.77 in all, mostly food and beverage. Lists Integris Southwest Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1154382299 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Mar 29, 2006 |
| Last updated in NPPES | May 1, 2026 |
| Certified by provider | May 1, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | 2596 | OK |
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 - Internal Medicine (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 239 |
|---|---|
| Services billed | 1,338 across 17 procedure codes |
| Paid by Medicare | $63,968 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,583 · 14,596 30-day fills |
|---|---|
| Patients | 397 |
| Total drug cost | $816,504 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1986 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Nephrology |
Hospital affiliations
- Integris Southwest Medical CenterOklahoma City, OK
- Norman RegionalNorman, OK
- O U Medical CenterOklahoma City, OK
- Oklahoma Center for Orthopaedic & Multi-SpOklahoma City, OK
- Oklahoma Heart Hospital South, LLCOklahoma City, OK
Other facilities
- Fkc - MooreDialysis facility · Oklahoma City, OK
- Excell Home CareHome health agency · Oklahoma City, OK
- Excell HospiceHospice · Oklahoma City, OK
Industry payments (Open Payments)
- 2025$83.77 · 5 payments from 3 companies
- 2024$28.36 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $37.04 | 2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $32.48 | 2 |
| Valencia Technologies Corporation | $14.25 | 1 |
What the 2025 payments were for
- Food and Beverage$83.77 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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