Quick answers
- Which hospitals does Charles W. Cahill work at?
- Medicare's official clinician data lists Charles W. Cahill at 2 hospitals: Baystate Medical Center and Baystate Noble Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Charles W. Cahill see patients?
- Medicare's clinician data lists 1 practice location in Westfield, MA. Call before your visit to confirm the address.
- What is Charles W. Cahill's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Charles W. Cahill accept Medicare assignment?
- Yes. Medicare's clinician data says Charles W. Cahill 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 Charles W. Cahill?
- (413) 831-7960, as listed in official Medicare / NPI Registry data.
- What is Charles W. Cahill's NPI number?
- 1366441602. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Charles W. Cahill works
Medicare's Facility Affiliation Data lists Charles W. Cahill at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Baystate Medical CenterSpringfield, MA · Acute Care Hospital · CCN 220077
- Baystate Noble HospitalWestfield, MA · Acute Care Hospital · CCN 220065
Practice locations
Addresses where Charles W. Cahill is enrolled with Medicare (CMS data updated 2026-10-02).
- 57 Union StWestfield, MA 01085 (413) 831‑7960
Group practices
Medicare enrollment lists Charles W. Cahill as a member of this group (CMS data updated 2026-10-02).
- Baystate Medical Practices Inc1,369 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Massachusetts
Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1974 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1366441602 |
| 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