Gary M. Hollander, DO
NPI 1902896749ActiveIndividual· Internal Medicine· Walled Lake, MI
Internal Medicine (DO) in Walled Lake, Michigan, trained at Michigan State University College of Osteopathic Medicine (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $1,761,936 for 11,469 claims, against $109,939 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 14 companies reporting payments in 2025, $1,058 in all, mostly food and beverage.
Overview
| NPI | 1902896749 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | Oct 24, 2005 |
| Last updated in NPPES | Feb 23, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 5101012793 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 297 |
|---|---|
| Services billed | 4,792 across 87 procedure codes |
| Paid by Medicare | $109,939 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,469 · 24,922 30-day fills |
|---|---|
| Patients | 687 |
| Total drug cost | $1,761,936 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Michigan State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Vmd Primary Providers Eastern Michigan PCSouth Lyon, MI · 61 clinicians
Hospital affiliations
- Beaumont Hospital Royal OakRoyal Oak, MI
- Henry Ford Health HospitalDetroit, MI
- Henry Ford Health West Bloomfield HospitalW Bloomfield, MI
- Huron Valley-Sinai HospitalCommerce Township, MI
Other facilities
- Henry Ford Home Health CareHome health agency · Detroit, MI
- Tone Home Health ServicesHome health agency · Farmington Hills, MI
Industry payments (Open Payments)
- 2025$1,058 · 54 payments from 14 companies
- 2024$518.88 · 34 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $241.73 | 19 |
| Novo Nordisk Inc | $135.32 | 7 |
| Rgh Enterprises LLC | $134.71 | 2 |
| Pfizer Inc. | $97.77 | 5 |
| Glaxosmithkline, LLC. | $72.76 | 4 |
What the 2025 payments were for
- Food and Beverage$1,058 · 54 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in Walled Lake
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- 1760845895