Diana Lynn Bitner, MD
NPI 1457308488ActiveIndividual· Obstetrics & Gynecology· Grand Rapids, MI
Obstetrics & Gynecology (MD) in Grand Rapids, Michigan, licensed in MI, with an NPI issued in May 2006. Part D covered 276 prescriptions written in 2024, 87% of them generic. Bayer Healthcare Pharmaceuticals Inc. was the largest of 8 companies reporting payments in 2025, $9,614 in all, mostly consulting fees.
Overview
| NPI | 1457308488 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 27, 2006 |
| Last updated in NPPES | Jun 5, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 4301060158 | MI |
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 Order and Referring Only - Obstetrics/Gynecology (MI) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 276 · 551 30-day fills |
|---|---|
| Patients | 57 |
| Total drug cost | $22,102 |
| Generic share | 87% of claims |
Industry payments (Open Payments)
- 2025$9,614 · 24 payments from 8 companies
- 2024$11,943 · 22 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $8,875 | 4 |
| Astellas Pharma US Inc | $291.38 | 4 |
| Cosette Pharmaceuticals Inc. | $192.74 | 2 |
| Pfizer Inc. | $88.38 | 4 |
| Mayne Pharma Commercial LLC | $70.50 | 6 |
What the 2025 payments were for
- Consulting Fee$6,731 · 1 payment
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$2,009 · 1 payment
- Food and Beverage$775.48 · 21 payments
- Education$99.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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