Quick answers
- Which hospitals does Sean Mattingly work at?
- Medicare's official clinician data lists Sean Mattingly at 1 hospital: Frederick Health Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sean Mattingly see patients?
- Medicare's clinician data lists 6 practice locations, including Brunswick, MD, Emmitsburg, MD and Frederick, MD. Call before your visit to confirm the address.
- What is Sean Mattingly's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Sean Mattingly accept Medicare assignment?
- Yes. Medicare's clinician data says Sean Mattingly 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 Sean Mattingly?
- (240) 215-6310, as listed in official Medicare / NPI Registry data.
- What is Sean Mattingly's NPI number?
- 1245879980. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sean Mattingly works
Medicare's Facility Affiliation Data lists Sean Mattingly at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Frederick Health HospitalFrederick, MD · Acute Care Hospital · CCN 210005
Practice locations
Addresses where Sean Mattingly is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 1194 Dutchmans Creek Dr, Unit 3Brunswick, MD 21716 (240) 215‑6310
- 16403 Old Emmitsburg RdEmmitsburg, MD 21727 (240) 215‑6310
- 3430 Worthington BlvdFrederick, MD 21704 (240) 215‑6310
- 400 W 7th StFrederick, MD 21701
- 501 W 7th St, Suite 104Frederick, MD 21701 (240) 215‑6310
Group practices
Medicare enrollment lists Sean Mattingly as a member of this group (CMS data updated 2026-10-02).
- Frederick Health Medical Group LLC199 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Brunswick
Clinicians with the same Medicare primary specialty in Brunswick, MD — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1245879980 |
| 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