Quick answers
- Does Alison Metzler accept Medicare assignment?
- Yes. Medicare's clinician data says Alison Metzler accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Alison Metzler see?
- In 2024, CMS data shows 69 Original Medicare patients and 1,255 services for Alison Metzler. This counts Original Medicare only and measures volume, not quality.
- What is Alison Metzler's NPI number?
- 1720634363. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Alison Metzler, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 69 |
|---|---|
| Services billed to Medicare | 1,255 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Administration of psychological or neuropsychological test by technician, each additional 30 minutes (96139)346 services
- Evaluation of neuropsychological test, each additional hour (96133)296 services
- Administration of psychological or neuropsychological test, each additional 30 minutes (96137)193 services
- Evaluation of neuropsychological test, first hour (96132)100 services
- Psychotherapy, 45 minutes (90834)75 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure70%
- Depression52%
- Anxiety51%
- Arthritis43%
- Alzheimer's disease or dementia38%
Practice locations
Addresses where Alison Metzler is enrolled with Medicare (CMS data updated October 2, 2026).
- 1020 Baltimore Pike, Suite 210Glen Mills, PA 19342 (484) 596‑5430
- 414 Paoli PikeMalvern, PA 19355 (484) 596‑3935
Group practices
Medicare enrollment lists Alison Metzler as a member of this group (CMS data updated October 2, 2026).
- Main Line Healthcare1,184 clinicians in the group
Specialties
- Clinical Psychologistprimary
Find other clinicians: Clinical Psychologist, Pennsylvania →
Other clinical psychologists in Glen Mills
Clinicians with the same Medicare primary specialty in Glen Mills, PA — not a recommendation.
Other clinicians in Main Line Healthcare
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PSY |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1720634363 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians