Marissa A. Lazor, MD
NPI 1790760759ActiveIndividual· Anesthesiology· Westwood, MA
Anesthesiology (MD) in Westwood, Massachusetts, trained at Northwestern University Feinberg Medical School (class of 1988). Medicare paid $49,748 for services to 280 patients in 2024.
Overview
| NPI | 1790760759 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 13, 2005 |
| Last updated in NPPES | Jan 2, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 77421 | MA |
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 (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 280 |
|---|---|
| Services billed | 337 across 29 procedure codes |
| Paid by Medicare | $49,748 |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Anesthesiology |
Medical groups
- Associated Physicians of Harvard Medical Faculty Physicians at Beth IsMilton, MA · 565 clinicians
- Excel Anesthesia Associates PLLCDedham, MA · 30 clinicians
Hospital affiliation
- New England Baptist HospitalBoston, 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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All 108 anesthesiologists in Westwood · All anesthesiologists in Massachusetts