Quick answers
- Does Susan M. Cowley accept Medicare assignment?
- Yes. Medicare's clinician data says Susan M. Cowley 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 Susan M. Cowley see?
- In 2024, CMS data shows 245 Original Medicare patients and 519 services for Susan M. Cowley. This counts Original Medicare only and measures volume, not quality.
- What is Susan M. Cowley's NPI number?
- 1164554945. 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 Susan M. Cowley, 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 patients | 245 |
|---|---|
| Services billed to Medicare | 519 |
| Different services or procedures | 25 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Critical care, first 30-74 minutes (99291)132 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)109 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)75 services
- Critical care, each additional 30 minutes (99292)45 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)34 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%
- Heart failure49%
- Ischemic heart disease48%
- Arthritis47%
- Depression46%
Hospitals where Susan M. Cowley works
Medicare's Facility Affiliation Data lists Susan M. Cowley at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Mount Auburn HospitalCambridge, MA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 220002
Practice locations
Addresses where Susan M. Cowley is enrolled with Medicare (CMS data updated October 2, 2026).
- 300 Mount Auburn St, Suite 419Cambridge, MA 02138 (617) 354‑8771
Group practices
Medicare enrollment lists Susan M. Cowley as a member of this group (CMS data updated October 2, 2026).
- Mount Auburn Professional Services Inc231 clinicians in the group
Specialties
Find other Critical Care (Intensivists) doctors in Massachusetts →
Other critical care doctors in Cambridge
Clinicians with the same Medicare primary specialty in Cambridge, MA — not a recommendation.
Other clinicians in Mount Auburn Professional Services Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | University Of New England, College Of Osteo Medicine |
| Graduation year | 2004 (22 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164554945 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians