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Anesthesiology

Gregory Gardner, DO

Works at hospitals in W Concord, MA · Nashua, NH · Massachusetts, New Hampshire

Summary

Gregory Gardner, DO (Anesthesiology) is listed by Medicare at 2 hospitals in W Concord, MA and Nashua, NH. NPI 1801886916. 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 Gregory Gardner, 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

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
34Years since medical school (graduated 1992)
New York College Of Osteo Medicine Of New York Institute Of TechnologyMedical school
MaleGender (as listed)
Emerson Practice Associates II, IncGroup practice (+2 more)

Quick answers

Which hospitals does Gregory Gardner work at?
Medicare's official clinician data lists Gregory Gardner at 2 hospitals: Emerson Hospital - and Southern NH Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Gregory Gardner see patients?
Medicare's clinician data lists 4 practice locations, including Nashua, NH, Manchester, NH and Concord, MA. Call before your visit to confirm the address.
What is Gregory Gardner's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does Gregory Gardner accept Medicare assignment?
Yes. Medicare's clinician data says Gregory Gardner 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 Gregory Gardner?
(603) 578-9909, as listed in official Medicare / NPI Registry data.
What is Gregory Gardner's NPI number?
1801886916. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Gregory Gardner works

Medicare's Facility Affiliation Data lists Gregory Gardner 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 Gregory Gardner is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Gregory Gardner as a member of these groups (CMS data updated 2026-10-02).

  • Emerson Practice Associates II, Inc50 clinicians in the group
  • Granite State Anesthesia Partners, LLC44 clinicians in the group
  • Hospitalist Medicine Physicians of New York - Patchogue PC43 clinicians in the group

Specialties

Find other Anesthesiology doctors in New Hampshire →

Other anesthesiologists in Nashua

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

All anesthesiologists in Nashua →

Clinician information

CredentialDO
Medical schoolNew York College Of Osteo Medicine Of New York Institute Of Technology
Graduation year1992
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1801886916
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