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Family Practice

David C. Ahern, MD

Works at hospitals in Marlborough, MA · Southbridge, MA · Leominster, MA … · Massachusetts

Summary

David C. Ahern, MD (Family Practice) is listed by Medicare at 4 hospitals in Marlborough, MA, Southbridge, MA and Leominster, MA and other places. NPI 1720425598. 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 David C. Ahern, 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

Family PracticePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
13Years since medical school (graduated 2013)
Boston University School Of MedicineMedical school
MaleGender (as listed)
UMass Memorial Medical Group IncGroup practice

Quick answers

Which hospitals does David C. Ahern work at?
Medicare's official clinician data lists David C. Ahern at 4 hospitals: Marlborough Hospital, UMass Memorial Health - Harrington Hospital, UMass Memorial Healthalliance Hospitals and UMass Memorial Medical Center/University Campus. This is where the clinician works or has privileges; call the hospital to confirm.
Where does David C. Ahern see patients?
Medicare's clinician data lists 1 practice location in Shrewsbury, MA. Call before your visit to confirm the address.
What is David C. Ahern's specialty?
Medicare lists Family Practice as the primary specialty.
Does David C. Ahern accept Medicare assignment?
Yes. Medicare's clinician data says David C. Ahern 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 David C. Ahern offer telehealth?
Medicare's clinician data says David C. Ahern offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for David C. Ahern?
(508) 842-6502, as listed in official Medicare / NPI Registry data.
What is David C. Ahern's NPI number?
1720425598. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where David C. Ahern works

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

Group practices

Medicare enrollment lists David C. Ahern as a member of this group (CMS data updated 2026-10-02).

  • UMass Memorial Medical Group Inc2,516 clinicians in the group

Specialties

Find other Family Practice doctors in Massachusetts →

Other family doctors in Shrewsbury

Clinicians with the same Medicare primary specialty in Shrewsbury, MA — not a recommendation.

All family doctors in Shrewsbury →

Clinician information

CredentialMD
Medical schoolBoston University School Of Medicine
Graduation year2013
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1720425598
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