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Critical Care (Intensivists)

Mary A. Decoteau, MD

Sees patients in Philadelphia, PA · Pennsylvania

Summary

Dr. Mary A. Decoteau, MD is a critical care doctor at 3400 Spruce St, Philadelphia, PA 19104. Phone: (215) 662-7320. Accepts Medicare assignment. In 2024, Mary A. Decoteau had 97 Original Medicare patients and 204 services. NPI 1164785580. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Critical care doctor (Medicare lists Critical Care (Intensivists))
  • Address: 3400 Spruce St, Philadelphia, PA 19104 · Directions
  • Phone: (215) 662‑7320
  • Medicare: Accepts Medicare assignment
  • Group practice: University of Penn - Medical Group
  • Medical school: Virginia Commonwealth University, School Of Medicine · graduated 2012 (14 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Mary A. Decoteau, 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 A. Decoteau accept Medicare assignment?
Yes. Medicare's clinician data says Mary A. Decoteau 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.
How many Medicare patients does Mary A. Decoteau see?
In 2024, CMS data shows 97 Original Medicare patients and 204 services for Mary A. Decoteau. This counts Original Medicare only and measures volume, not quality.
What is Mary A. Decoteau's NPI number?
1164785580. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Mary A. Decoteau, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients97
Services billed to Medicare204
Different services or procedures31
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)57 services
  2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)31 services
  3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)26 services
  4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)26 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis57%
  • Stroke or mini-stroke54%
  • Diabetes51%
  • Ischemic heart disease45%

Practice locations

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

Group practices

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

  • University of Penn - Medical Group3,505 clinicians in the group

Specialties

Find other Critical Care (Intensivists) doctors in Pennsylvania →

Other critical care doctors in Philadelphia

Clinicians with the same Medicare primary specialty in Philadelphia, PA — not a recommendation.

All critical care doctors in Philadelphia →

Other clinicians in University of Penn - Medical Group

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

Clinician information

CredentialMD
Medical schoolVirginia Commonwealth University, School Of Medicine
Graduation year2012 (14 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1164785580
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  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