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General Surgery

David A. Leenen, MD

Works at hospitals in Taunton, MA · Fall River, MA · Massachusetts

Summary

David A. Leenen, MD (General Surgery) is listed by Medicare at 2 hospitals in Taunton, MA and Fall River, MA. NPI 1407386931. 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 A. Leenen, 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

General SurgeryPrimary specialty
May acceptAccepts Medicare assignment
9Years since medical school (graduated 2017)
Saint Louis University School Of MedicineMedical school
MaleGender (as listed)
Lifespan Physician Group of Massachusetts IncGroup practice

Quick answers

Which hospitals does David A. Leenen work at?
Medicare's official clinician data lists David A. Leenen at 2 hospitals: Brown University Health Morton Hospital and Saint Anne's Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does David A. Leenen see patients?
Medicare's clinician data lists 1 practice location in Taunton, MA. Call before your visit to confirm the address.
What is David A. Leenen's specialty?
Medicare lists General Surgery as the primary specialty.
Does David A. Leenen accept Medicare assignment?
Medicare's clinician data says David A. Leenen may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is the phone number for David A. Leenen?
(508) 828-7000, as listed in official Medicare / NPI Registry data.
What is David A. Leenen's NPI number?
1407386931. 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 A. Leenen works

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

Group practices

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

  • Lifespan Physician Group of Massachusetts Inc476 clinicians in the group

Specialties

Find other General Surgery doctors in Massachusetts →

Other general surgeons in Taunton

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

All general surgeons in Taunton →

Clinician information

CredentialMD
Medical schoolSaint Louis University School Of Medicine
Graduation year2017
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1407386931
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