David B. Parker, MD
NPI 1073548038ActiveIndividual· Internal Medicine· Hastings, MI
Internal Medicine (MD) in Hastings, Michigan, trained at Indiana University School of Medicine (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $1,590,405 for 12,326 claims, against $108,724 paid for services in 2024. Lundbeck LLC was the largest of 3 companies reporting payments in 2025, $67.61 in all, mostly food and beverage.
Overview
| NPI | 1073548038 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jul 11, 2006 |
| Last updated in NPPES | Apr 10, 2024 |
| Certified by provider | Apr 10, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 4301075340 | 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 Practitioner - Internal Medicine (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 235 |
|---|---|
| Services billed | 1,935 across 65 procedure codes |
| Paid by Medicare | $108,724 |
Part D prescriptions in 2024
| Prescriptions (claims) | 12,326 · 26,648 30-day fills |
|---|---|
| Patients | 617 |
| Total drug cost | $1,590,405 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | Indiana University School of Medicine |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Internal Medicine |
Medical group
- Hastings Internal Medicine PLCHastings, MI · 4 clinicians
Hospital affiliations
- Corewell Health Pennock HospitalHastings, MI
- Spectrum HealthGrand Rapids, MI
Other facilities
- Elara CaringHome health agency · Jackson, MI
- Mary Free Bed at Home, LLCHome health agency · Grand Rapids, MI
Industry payments (Open Payments)
- 2025$67.61 · 3 payments from 3 companies
- 2024$51.48 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lundbeck LLC | $32.48 | 1 |
| Merck Sharp & Dohme LLC | $20.53 | 1 |
| Esperion Therapeutics, Inc. | $14.60 | 1 |
What the 2025 payments were for
- Food and Beverage$67.61 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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