Quick answers
- Which hospitals does John C. Kaczmarek work at?
- Medicare's official clinician data lists John C. Kaczmarek at 2 hospitals: Saint Mary's Hospital and Waterbury Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John C. Kaczmarek see patients?
- Medicare's clinician data lists 3 practice locations, including Southbury, CT, Danbury, CT and Waterbury, CT. Call before your visit to confirm the address.
- What is John C. Kaczmarek's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does John C. Kaczmarek accept Medicare assignment?
- Yes. Medicare's clinician data says John C. Kaczmarek 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 John C. Kaczmarek?
- (203) 754-2535, as listed in official Medicare / NPI Registry data.
- What is John C. Kaczmarek's NPI number?
- 1134169204. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John C. Kaczmarek works
Medicare's Facility Affiliation Data lists John C. Kaczmarek at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Saint Mary's HospitalWaterbury, CT · Acute Care Hospital · CCN 070016
- Waterbury HospitalWaterbury, CT · Acute Care Hospital · CCN 070005
Practice locations
Addresses where John C. Kaczmarek is enrolled with Medicare (CMS data updated 2026-10-02).
- 10 Main St S, Specialists in Womens HealthcareSouthbury, CT 06488 (203) 754‑2535
- 103 Newtown Rd, Candlewood Center for Womens HealthDanbury, CT 06810 (203) 730‑8789
- 134 Grandview AveWaterbury, CT 06708 (203) 754‑2535
Group practices
Medicare enrollment lists John C. Kaczmarek as a member of this group (CMS data updated 2026-10-02).
- Physicians for Women's Health, LLC318 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Southbury
Clinicians with the same Medicare primary specialty in Southbury, CT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of Ny Upstate Medical University |
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1134169204 |
| 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