Karen L. Ahlert, M.D.
NPI 1083819502ActiveIndividual· Surgery· Cambridge, MA
Surgery (M.D.) in Cambridge, Massachusetts, trained at Tufts University School of Medicine (class of 2007). Medicare paid $38,280 for services to 133 patients in 2024.
Overview
| NPI | 1083819502 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 15, 2007 |
| Last updated in NPPES | Mar 20, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 253631 | MA |
| Surgery | 208600000X | L-231744 | MA |
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 - General Surgery (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 133 |
|---|---|
| Services billed | 259 across 53 procedure codes |
| Paid by Medicare | $38,280 |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | General Surgery |
Medical group
- Mount Auburn Professional Services IncCambridge, MA · 231 clinicians
Hospital affiliation
- Mount Auburn HospitalCambridge, MA
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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