David W. Harris, M.D.
NPI 1831176106ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Tulsa, OK
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Tulsa, Oklahoma, licensed in OK, with an NPI issued in December 2005. Their prescriptions cost Medicare Part D more than their services did: $2,222,846 for 4,583 claims, against $71,263 paid for services in 2024. Recordati_rare_diseases_inc. was the largest of 2 companies reporting payments in 2025, $38.64 in all, mostly food and beverage.
Overview
| NPI | 1831176106 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 28, 2005 |
| Last updated in NPPES | Sep 29, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 14906 | 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 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 - Endocrinology (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 391 |
|---|---|
| Services billed | 1,357 across 9 procedure codes |
| Paid by Medicare | $71,263 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,583 · 10,239 30-day fills |
|---|---|
| Patients | 481 |
| Total drug cost | $2,222,846 |
| Generic share | 36% of claims |
Industry payments (Open Payments)
- 2025$38.64 · 2 payments from 2 companies
- 2024$76.51 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Recordati_rare_diseases_inc. | $22.02 | 1 |
| Corcept Therapeutics | $16.62 | 1 |
What the 2025 payments were for
- Food and Beverage$38.64 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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