Andrew Hahn, PSY.D
NPI 1679620389ActiveIndividual· Psychologist· Waltham, MA
Psychologist (PSY.D) in Waltham, Massachusetts, licensed in MA, with an NPI issued in January 2007. Medicare paid $60,725 for services to 41 patients in 2024.
Overview
| NPI | 1679620389 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PSY.D |
| Sole proprietor | Yes |
| NPI issued | Jan 4, 2007 |
| Last updated in NPPES | Nov 21, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychologist Primary | 103T00000X | PY4357-PR | 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 - Clinical Psychologist (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 41 |
|---|---|
| Services billed | 528 across 5 procedure codes |
| Paid by Medicare | $60,725 |
Education and affiliations
| Graduation year | 1985 |
|---|---|
| Medicare specialty | Clinical Psychologist |
| Telehealth | Offers telehealth |
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All 29 psychologists in Waltham · All psychologists in Massachusetts