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Obstetrics/Gynecology

Margaret A. Cyzeski, MD

Works at hospitals in Baltimore, MD · Maryland

Summary

Dr. Margaret A. Cyzeski, MD is an OB-GYN at 3701 N Charles St, South Chapman Building Suite 102, Towson, MD 21204. Phone: (443) 849-2658. Accepts Medicare assignment. In 2024, Margaret A. Cyzeski had 133 Original Medicare patients and 193 services. NPI 1669455341. 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: 3701 N Charles St, South Chapman Building Suite 102, Towson, MD 21204 · Directions (9 more locations)
  • Phone: (443) 849‑2658
  • Medicare: Accepts Medicare assignment
  • Hospital: Greater Baltimore Medical Center
  • Group practice: Greater Baltimore Medical Center
  • Medical school: Perelman School Of Med At The University Of Pennsylvania · graduated 1997 (29 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Margaret A. Cyzeski, 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 Margaret A. Cyzeski accept Medicare assignment?
Yes. Medicare's clinician data says Margaret A. Cyzeski 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 Margaret A. Cyzeski see?
In 2024, CMS data shows 133 Original Medicare patients and 193 services for Margaret A. Cyzeski. This counts Original Medicare only and measures volume, not quality.
What is Margaret A. Cyzeski's NPI number?
1669455341. 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 Margaret A. Cyzeski, 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 patients133
Services billed to Medicare193
Different services or procedures13
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)96 services
  2. Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (Q0091)49 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)16 services
  4. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)14 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 cholesterol72%
  • High blood pressure44%
  • Arthritis43%
  • Anxiety24%
  • Osteoporosis23%
  • Depression20%

Hospitals where Margaret A. Cyzeski works

Medicare's Facility Affiliation Data lists Margaret A. Cyzeski 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 Margaret A. Cyzeski is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 10; the Medicare profile lists all.

Group practices

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

  • Greater Baltimore Medical Center354 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Maryland →

Other OB-GYNs in Towson

Clinicians with the same Medicare primary specialty in Towson, MD — not a recommendation.

All OB-GYNs in Towson →

Other clinicians in Greater Baltimore Medical Center

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

Clinician information

CredentialMD
Medical schoolPerelman School Of Med At The University Of Pennsylvania
Graduation year1997 (29 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1669455341
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