Quick answers
- Which hospitals does Mark D. Stevens work at?
- Medicare's official clinician data lists Mark D. Stevens at 1 hospital: Saint Mary's Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark D. Stevens see patients?
- Medicare's clinician data lists 2 practice locations, including Waterbury, CT and Naugatuck, CT. Call before your visit to confirm the address.
- What is Mark D. Stevens's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Mark D. Stevens accept Medicare assignment?
- Yes. Medicare's clinician data says Mark D. Stevens 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 Mark D. Stevens?
- (203) 709-4030, as listed in official Medicare / NPI Registry data.
- What is Mark D. Stevens's NPI number?
- 1851548374. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark D. Stevens works
Medicare's Facility Affiliation Data lists Mark D. Stevens 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
Practice locations
Addresses where Mark D. Stevens is enrolled with Medicare (CMS data updated 2026-10-02).
- 1312 W Main StWaterbury, CT 06708 (203) 709‑4030
- 58 Maple StNaugatuck, CT 06770 (203) 723‑5636
Group practices
Medicare enrollment lists Mark D. Stevens as a member of this group (CMS data updated 2026-10-02).
- Trinity Health of New England Urgent Care PLLC11 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Waterbury
Clinicians with the same Medicare primary specialty in Waterbury, CT — not a recommendation.
Clinician information
| Graduation year | 1985 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851548374 |
| 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