Quick answers
- Which hospitals does Theresa Keller work at?
- Medicare's official clinician data lists Theresa Keller at 1 hospital: Cayuga Medical Center at Ithaca. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Theresa Keller see patients?
- Medicare's clinician data lists 1 practice location in Ithaca, NY. Call before your visit to confirm the address.
- What is Theresa Keller's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Theresa Keller accept Medicare assignment?
- Yes. Medicare's clinician data says Theresa Keller 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 Theresa Keller?
- (607) 257-1107, as listed in official Medicare / NPI Registry data.
- What is Theresa Keller's NPI number?
- 1447085733. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Theresa Keller works
Medicare's Facility Affiliation Data lists Theresa Keller at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cayuga Medical Center at IthacaIthaca, NY · Acute Care Hospital · CCN 330307
Practice locations
Addresses where Theresa Keller is enrolled with Medicare (CMS data updated 2026-10-02).
- 1051 Craft RdIthaca, NY 14850 (607) 257‑1107
Group practices
Medicare enrollment lists Theresa Keller as a member of this group (CMS data updated 2026-10-02).
- Josephine C. McAllister, M.D., LLC7 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Ithaca
Clinicians with the same Medicare primary specialty in Ithaca, NY — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1447085733 |
| 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