Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Mary Puthiyamadam, MD

Sees patients in Sleepy Hollow, NY · New York

Summary

Dr. Mary Puthiyamadam, MD is an internal medicine doctor at 300 N Broadway, Sleepy Hollow, NY 10591. Phone: (914) 632-2737. Accepts Medicare assignment. NPI 1669534574. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 300 N Broadway, Sleepy Hollow, NY 10591 · Directions
  • Phone: (914) 632‑2737
  • Medicare: Accepts Medicare assignment
  • Group practice: Open Door Family Medical Center Inc
  • Medical school: State University Of New York At Buffalo School Of Medicine · graduated 1999 (27 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Mary Puthiyamadam, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Mary Puthiyamadam accept Medicare assignment?
Yes. Medicare's clinician data says Mary Puthiyamadam accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Mary Puthiyamadam's NPI number?
1669534574. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Mary Puthiyamadam is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Mary Puthiyamadam as a member of this group (CMS data updated October 2, 2026).

  • Open Door Family Medical Center Inc90 clinicians in the group

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Sleepy Hollow

Clinicians with the same Medicare primary specialty in Sleepy Hollow, NY — not a recommendation.

All internal medicine doctors in Sleepy Hollow →

Other clinicians in Open Door Family Medical Center Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolState University Of New York At Buffalo School Of Medicine
Graduation year1999 (27 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1669534574
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians