Quick answers
- Which hospitals does Mariah Evarts work at?
- Medicare's official clinician data lists Mariah Evarts at 1 hospital: Winchester Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mariah Evarts see patients?
- Medicare's clinician data lists 4 practice locations, including Concord, MA, Burlington, MA and Winchester, MA. Call before your visit to confirm the address.
- What is Mariah Evarts's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Mariah Evarts accept Medicare assignment?
- Yes. Medicare's clinician data says Mariah Evarts 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 Mariah Evarts?
- (978) 287-3020, as listed in official Medicare / NPI Registry data.
- What is Mariah Evarts's NPI number?
- 1558927939. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mariah Evarts works
Medicare's Facility Affiliation Data lists Mariah Evarts at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Winchester HospitalWinchester, MA · Acute Care Hospital · CCN 220105
Practice locations
Addresses where Mariah Evarts is enrolled with Medicare (CMS data updated 2026-10-02).
- 133 Old Rd To 9 Acre CorConcord, MA 01742 (978) 287‑3020
- 29 Mall RdBurlington, MA 01805
- 41 Highland AveWinchester, MA 01890 (781) 729‑9000
- 41 Mall RdBurlington, MA 01805
Group practices
Medicare enrollment lists Mariah Evarts as a member of these groups (CMS data updated 2026-10-02).
- Lahey Clinic Inc1,381 clinicians in the group
- Emerson Practice Associates, Inc240 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Concord
Clinicians with the same Medicare primary specialty in Concord, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1558927939 |
| 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