Quick answers
- Where does Katherine E. Oberwager see patients?
- Medicare's clinician data lists 1 practice location in Holyoke, MA. Call before your visit to confirm the address.
- What is Katherine E. Oberwager's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Katherine E. Oberwager accept Medicare assignment?
- Yes. Medicare's clinician data says Katherine E. Oberwager 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 the phone number for Katherine E. Oberwager?
- (413) 794-8310, as listed in official Medicare / NPI Registry data.
- What is Katherine E. Oberwager's NPI number?
- 1013432186. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Katherine E. Oberwager is enrolled with Medicare (CMS data updated 2026-10-02).
- 150 Lower Westfield RdHolyoke, MA 01040 (413) 794‑8310
Group practices
Medicare enrollment lists Katherine E. Oberwager as a member of this group (CMS data updated 2026-10-02).
- Baystate Medical Practices Inc1,369 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Holyoke
Clinicians with the same Medicare primary specialty in Holyoke, MA — not a recommendation.
Clinician information
| Graduation year | 2017 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1013432186 |
| 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 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