Michael Mangan, D.O.
NPI 1144457805ActiveIndividual· Family Medicine· Grand Ledge, MI
Family Medicine (D.O.) with David J. Smith MD PC, practicing in Grand Ledge, Michigan. Their prescriptions cost Medicare Part D more than their services did: $68,587 for 438 claims, against $19,646 paid for services in 2024. Novo Nordisk Inc was the largest of 5 companies reporting payments in 2025, $107.85 in all, mostly food and beverage. Lists Edward W Sparrow Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1144457805 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jun 19, 2009 |
| Last updated in NPPES | Apr 23, 2025 |
| Certified by provider | Apr 23, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 5101018143 | MI |
| Internal Medicine | 207R00000X | 5101018143 | 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 - Family Practice (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 67 |
|---|---|
| Services billed | 254 across 22 procedure codes |
| Paid by Medicare | $19,646 |
Part D prescriptions in 2024
| Prescriptions (claims) | 438 · 897 30-day fills |
|---|---|
| Patients | 127 |
| Total drug cost | $68,587 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Family Practice |
Medical group
- David J. Smith MD PCGrand Ledge, MI · 12 clinicians
Hospital affiliations
- Edward W Sparrow HospitalLansing, MI
- McLaren Greater LansingLansing, MI
- Sparrow Ionia HospitalIonia, MI
- University of Michigan Health - Sparrow EatonCharlotte, MI
Industry payments (Open Payments)
- 2025$107.85 · 6 payments from 5 companies
- 2024$31.21 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $40.32 | 2 |
| Antares Pharma, Inc. | $20.77 | 1 |
| E.R. Squibb & Sons, L.L.C. | $18.20 | 1 |
| Pfizer Inc. | $14.97 | 1 |
| Amgen Inc. | $13.59 | 1 |
What the 2025 payments were for
- Food and Beverage$107.85 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 18 family medicine physicians in Grand Ledge · All family medicine physicians in Michigan