Quick answers
- Which hospitals does Gregory B. Jack work at?
- Medicare's official clinician data lists Gregory B. Jack at 1 hospital: Day Kimball Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory B. Jack see patients?
- Medicare's clinician data lists 1 practice location in Putnam, CT. Call before your visit to confirm the address.
- What is Gregory B. Jack's specialty?
- Medicare lists Mental Health Counselor as the primary specialty.
- Does Gregory B. Jack accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory B. Jack 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 Gregory B. Jack?
- (860) 928-6541, as listed in official Medicare / NPI Registry data.
- What is Gregory B. Jack's NPI number?
- 1164517512. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregory B. Jack works
Medicare's Facility Affiliation Data lists Gregory B. Jack at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Day Kimball HospitalPutnam, CT · Acute Care Hospital · CCN 070003
Practice locations
Addresses where Gregory B. Jack is enrolled with Medicare (CMS data updated 2026-10-02).
- 320 Pomfret StPutnam, CT 06260 (860) 928‑6541
Group practices
Medicare enrollment lists Gregory B. Jack as a member of this group (CMS data updated 2026-10-02).
- Day Kimball Healthcare, Inc.26 clinicians in the group
Specialties
- Mental Health Counselorprimary
Find other clinicians: Mental Health Counselor, Connecticut →
Other mental health counselors in Putnam
Clinicians with the same Medicare primary specialty in Putnam, CT — not a recommendation.
Clinician information
| Graduation year | 1977 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164517512 |
| 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