Greg M. Kleynberg, MD
NPI 1639193154ActiveIndividual· Anesthesiology· Midland, MI
Anesthesiology (MD) with Anesthesia Services Associates PC, practicing in Midland, Michigan. Medicare paid $25,747 for services to 210 patients in 2024. Lists McLaren Bay Region as a hospital affiliation.
Overview
| NPI | 1639193154 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 27, 2006 |
| Last updated in NPPES | Dec 11, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 4301079713 | 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 - Anesthesiology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 210 |
|---|---|
| Services billed | 272 across 53 procedure codes |
| Paid by Medicare | $25,747 |
Education and affiliations
| Graduation year | 1984 |
|---|---|
| Medicare specialty | Anesthesiology |
Medical group
- Anesthesia Services Associates PCRochester, MI · 69 clinicians
Hospital affiliation
- McLaren Bay RegionBay City, MI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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