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Obstetrics/Gynecology

Marguerite P. Cohen, MD

Works at hospitals in Portland, OR · Oregon

Summary

Dr. Marguerite P. Cohen, MD is an OB-GYN at 1040 NW 22nd Ave, Suite 330, Portland, OR 97210. Phone: (503) 274-0993. Accepts Medicare assignment. In 2024, Marguerite P. Cohen had 21 Original Medicare patients and 45 services. NPI 1992715981. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 1040 NW 22nd Ave, Suite 330, Portland, OR 97210 · Directions
  • Phone: (503) 274‑0993
  • Medicare: Accepts Medicare assignment
  • Hospital: Legacy Good Samaritan Medical Center
  • Group practice: Cascade Women's Health, P.C.
  • Medical school: University Of Southern California Keck School Of Medicine · graduated 1981 (45 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Marguerite P. Cohen, 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 Marguerite P. Cohen accept Medicare assignment?
Yes. Medicare's clinician data says Marguerite P. Cohen 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 Marguerite P. Cohen see?
In 2024, CMS data shows 21 Original Medicare patients and 45 services for Marguerite P. Cohen. This counts Original Medicare only and measures volume, not quality.
What is Marguerite P. Cohen's NPI number?
1992715981. 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 Marguerite P. Cohen, 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 patients21
Services billed to Medicare45
Different services or procedures12
Participating Medicare providerYes
Average age of these patients72

Hospitals where Marguerite P. Cohen works

Medicare's Facility Affiliation Data lists Marguerite P. Cohen 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.

Practice locations

Addresses where Marguerite P. Cohen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Marguerite P. Cohen as a member of this group (CMS data updated October 2, 2026).

  • Cascade Women's Health, P.C.6 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Oregon →

Other OB-GYNs in Portland

Clinicians with the same Medicare primary specialty in Portland, OR — not a recommendation.

All OB-GYNs in Portland →

Other clinicians in Cascade Women's Health, P.C.

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

Clinician information

CredentialMD
Medical schoolUniversity Of Southern California Keck School Of Medicine
Graduation year1981 (45 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1992715981
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians