David A. Kallenberger, MD
NPI 1427001668ActiveIndividual· Specialist· Oklahoma City, OK
Specialist (MD) in Oklahoma City, Oklahoma, licensed in OK, with an NPI issued in May 2006. Their prescriptions cost Medicare Part D more than their services did: $36,048 for 497 claims, against $10,843 paid for services in 2024. Ferring Pharmaceuticals Inc. was the largest of 3 companies reporting payments in 2025, $76.05 in all, mostly food and beverage.
Overview
| NPI | 1427001668 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 18, 2006 |
| Last updated in NPPES | Jan 31, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | 10881 | OK |
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 - Obstetrics/Gynecology (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 90 |
|---|---|
| Services billed | 192 across 10 procedure codes |
| Paid by Medicare | $10,843 |
Part D prescriptions in 2024
| Prescriptions (claims) | 497 · 1,168 30-day fills |
|---|---|
| Patients | 97 |
| Total drug cost | $36,048 |
| Generic share | 87% of claims |
Industry payments (Open Payments)
- 2025$76.05 · 3 payments from 3 companies
- 2024$87.37 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ferring Pharmaceuticals Inc. | $32.17 | 1 |
| Sage Therapeutics, LLC | $23.29 | 1 |
| Hologic Sales and Service, LLC | $20.59 | 1 |
What the 2025 payments were for
- Food and Beverage$76.05 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 209 Specialist providers in Oklahoma City · All Specialist providers in Oklahoma