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Emergency Medicine

Mark L. Petrarca, DO

Works at hospitals in Manchester, NH · Nashua, NH · New Hampshire

Summary

Mark L. Petrarca, DO (Emergency Medicine) is listed by Medicare at 2 hospitals in Manchester, NH and Nashua, NH. NPI 1548499668. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Mark L. Petrarca, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
17Years since medical school (graduated 2009)
University Of New England, College Of Osteo MedicineMedical school
MaleGender (as listed)
Elliot Professional ServicesGroup practice (+1 more)

Quick answers

Which hospitals does Mark L. Petrarca work at?
Medicare's official clinician data lists Mark L. Petrarca at 2 hospitals: Elliot Hospital and St Joseph Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mark L. Petrarca see patients?
Medicare's clinician data lists 3 practice locations, including Manchester, NH, Nashua, NH and Milford, NH. Call before your visit to confirm the address.
What is Mark L. Petrarca's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Mark L. Petrarca accept Medicare assignment?
Yes. Medicare's clinician data says Mark L. Petrarca 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 L. Petrarca offer telehealth?
Medicare's clinician data says Mark L. Petrarca offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Mark L. Petrarca?
(603) 663-2830, as listed in official Medicare / NPI Registry data.
What is Mark L. Petrarca's NPI number?
1548499668. 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 L. Petrarca works

Medicare's Facility Affiliation Data lists Mark L. Petrarca at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Mark L. Petrarca is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Mark L. Petrarca as a member of these groups (CMS data updated 2026-10-02).

  • Elliot Professional Services427 clinicians in the group
  • St. Joseph Hospital of Nashua NH273 clinicians in the group

Specialties

Find other Emergency Medicine doctors in New Hampshire →

Other emergency medicine doctors in Manchester

Clinicians with the same Medicare primary specialty in Manchester, NH — not a recommendation.

All emergency medicine doctors in Manchester →

Clinician information

CredentialDO
Medical schoolUniversity Of New England, College Of Osteo Medicine
Graduation year2009
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1548499668
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians