Quick answers
- Which hospitals does Joanna Erwin work at?
- Medicare's official clinician data lists Joanna Erwin at 3 hospitals: Albany Medical Center Hospital, Glens Falls Hospital and Saratoga Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Joanna Erwin see patients?
- Medicare's clinician data lists 2 practice locations, including Ballston Lake, NY and Saratoga Springs, NY. Call before your visit to confirm the address.
- What is Joanna Erwin's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Joanna Erwin accept Medicare assignment?
- Yes. Medicare's clinician data says Joanna Erwin accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is Joanna Erwin's NPI number?
- 1023126877. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Joanna Erwin works
Medicare's Facility Affiliation Data lists Joanna Erwin at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Albany Medical Center HospitalAlbany, NY · Acute Care Hospital · CCN 330013
- Glens Falls HospitalGlens Falls, NY · Acute Care Hospital · CCN 330191
- Saratoga HospitalSaratoga Springs, NY · Acute Care Hospital · CCN 330222
Practice locations
Addresses where Joanna Erwin is enrolled with Medicare (CMS data updated 2026-10-02).
- 112 Charlton RdBallston Lake, NY 12019
- 211 Church StSaratoga Springs, NY 12866
Group practices
Medicare enrollment lists Joanna Erwin as a member of this group (CMS data updated 2026-10-02).
- Saratoga Hospital356 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Ballston Lake
Clinicians with the same Medicare primary specialty in Ballston Lake, NY — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2001 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023126877 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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