Quick answers
- Which hospitals does James K. Ahern work at?
- Medicare's official clinician data lists James K. Ahern at 3 hospitals: Bridgeport Hospital, Danbury Hospital and Greenwich Hospital Association -. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James K. Ahern see patients?
- Medicare's clinician data lists 3 practice locations, including Fairfield, CT, Ridgefield, CT and Middletown, CT. Call before your visit to confirm the address.
- What is James K. Ahern's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does James K. Ahern accept Medicare assignment?
- Yes. Medicare's clinician data says James K. Ahern 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.
- Does James K. Ahern offer telehealth?
- Medicare's clinician data says James K. Ahern offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for James K. Ahern?
- (203) 384-8681, as listed in official Medicare / NPI Registry data.
- What is James K. Ahern's NPI number?
- 1356385868. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James K. Ahern works
Medicare's Facility Affiliation Data lists James K. Ahern at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bridgeport HospitalBridgeport, CT · Acute Care Hospital · CCN 070010
- Danbury HospitalDanbury, CT · Acute Care Hospital · CCN 070033
- Greenwich Hospital Association -Greenwich, CT · Acute Care Hospital · CCN 070018
Practice locations
Addresses where James K. Ahern is enrolled with Medicare (CMS data updated 2026-10-02).
- 1931 Black Rock TpkeFairfield, CT 06825 (203) 384‑8681
- 77 Danbury Rd, Suite 1Ridgefield, CT 06877 (203) 431‑6342
- 90 S Main StMiddletown, CT 06457 (860) 358‑4821
Group practices
Medicare enrollment lists James K. Ahern as a member of these groups (CMS data updated 2026-10-02).
- Rehabilitation Associates Inc529 clinicians in the group
- Middlesex Hospital234 clinicians in the group
- James K Ahern and Dr Carol a Galban MDS2 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Fairfield
Clinicians with the same Medicare primary specialty in Fairfield, CT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Cincinnati College Of Medicine |
| Graduation year | 1979 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1356385868 |
| 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