Quick answers
- Which hospitals does Mark R. Warnat work at?
- Medicare's official clinician data lists Mark R. Warnat at 3 hospitals: Anna Jaques Hospital, North Shore Medical Center - and Wentworth-Douglass Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark R. Warnat see patients?
- Medicare's clinician data lists 3 practice locations, including Danvers, MA, Newburyport, MA and Lawrence, MA. Call before your visit to confirm the address.
- What is Mark R. Warnat's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Mark R. Warnat accept Medicare assignment?
- Yes. Medicare's clinician data says Mark R. Warnat 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 Mark R. Warnat offer telehealth?
- Medicare's clinician data says Mark R. Warnat offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mark R. Warnat?
- (978) 739-6950, as listed in official Medicare / NPI Registry data.
- What is Mark R. Warnat's NPI number?
- 1396830097. 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 R. Warnat works
Medicare's Facility Affiliation Data lists Mark R. Warnat at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Anna Jaques HospitalNewburyport, MA · Acute Care Hospital · CCN 220029
- North Shore Medical Center -Salem, MA · Acute Care Hospital · CCN 220035
- Wentworth-Douglass HospitalDover, NH · Acute Care Hospital · CCN 300018
Practice locations
Addresses where Mark R. Warnat is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Hutchinson DrDanvers, MA 01923 (978) 739‑6950
- 260 Merrimac StNewburyport, MA 01950 (978) 499‑7200
- 500 Merrimack StLawrence, MA 01843 (978) 557‑8900
Group practices
Medicare enrollment lists Mark R. Warnat as a member of these groups (CMS data updated 2026-10-02).
- Mass General Brigham Medical Group Northern Massachusetts Inc827 clinicians in the group
- Mass General Brigham Community Physicians Inc428 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Danvers
Clinicians with the same Medicare primary specialty in Danvers, MA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1396830097 |
| 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