Quick answers
- Where does Martha Spiro see patients?
- Medicare's clinician data lists 2 practice locations, including Amherst, MA and Northampton, MA. Call before your visit to confirm the address.
- What is Martha Spiro's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Martha Spiro accept Medicare assignment?
- Yes. Medicare's clinician data says Martha Spiro 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 Martha Spiro?
- (413) 549-8400, as listed in official Medicare / NPI Registry data.
- What is Martha Spiro's NPI number?
- 1952302986. 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 Martha Spiro is enrolled with Medicare (CMS data updated 2026-10-02).
- 17 Research DrAmherst, MA 01002 (413) 549‑8400
- 6 Hatfield StNorthampton, MA 01060 (413) 549‑8400
Group practices
Medicare enrollment lists Martha Spiro as a member of this group (CMS data updated 2026-10-02).
- Katherine J Atkinson MD PC9 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Amherst
Clinicians with the same Medicare primary specialty in Amherst, MA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 1984 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1952302986 |
| 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