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Internal Medicine

Marian A. Madden, MD

Works at hospitals in Pittsfield, MA · Great Barrington, MA · Massachusetts

Summary

Marian A. Madden, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Pittsfield, MA and Great Barrington, MA. NPI 1811097009. 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 Marian A. Madden, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
39Years since medical school (graduated 1987)
University Of Pittsburgh School Of MedicineMedical school
FemaleGender (as listed)
Fairview HospitalGroup practice

Quick answers

Which hospitals does Marian A. Madden work at?
Medicare's official clinician data lists Marian A. Madden at 2 hospitals: Berkshire Medical Center and Fairview Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Marian A. Madden see patients?
Medicare's clinician data lists 1 practice location in Williamstown, MA. Call before your visit to confirm the address.
What is Marian A. Madden's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Marian A. Madden accept Medicare assignment?
Yes. Medicare's clinician data says Marian A. Madden 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 Marian A. Madden?
(413) 458-3140, as listed in official Medicare / NPI Registry data.
What is Marian A. Madden's NPI number?
1811097009. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Marian A. Madden works

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

Group practices

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

  • Fairview Hospital55 clinicians in the group

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Williamstown

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

All internal medicine doctors in Williamstown →

Clinician information

CredentialMD
Medical schoolUniversity Of Pittsburgh School Of Medicine
Graduation year1987
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1811097009
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