Margaret Cyzeski, MD
Obstetrics & Gynecology Physician · Baltimore, MD
Margaret Cyzeski, MD is an obstetrics & gynecology physician with a practice address in Baltimore, Maryland, and NPI 1669455341, issued on Nov 27, 2005. Check the license (Maryland D0054405, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Margaret Cyzeski
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- D0054405 MD
Self-reported in NPPES; status is on the state search - Practice location
- 6565 N Charles St, Baltimore, MD 21204
- Phone
- (443) 849-2568
- Enumerated
- Nov 27, 2005
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (410) 321-7344
- Medicare enrollment
- Enrolled (PECOS I20050927001175); accepts Medicare assignment
- Medical or professional school
- Perelman School Of Med At The University Of Pennsylvania, 1997
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,034 in Maryland → Look up another NPI →
Also registered at 6565 N Charles St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Margaret Cyzeski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0054405Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
203 Medicare Part D claims for 73 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Estradiol42 claims
- Triamcinolone Acetonide16 claims
- Premarin15 claims
- Fluconazole12 claims
- Progesterone11 claims
- Valacyclovir11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $15.13
1 payment: food and beverage; the largest payer was Ethicon US, LLC. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Greater Baltimore Medical Center IncBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret Cyzeski among 1,034 obstetrics & gynecology physician records in Maryland
Margaret Cyzeski, MD is one of 1,034 obstetrics & gynecology physician records with a practice address in Maryland. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1997 · median 2005 among the 597 with a school on file
- Record last updated2007 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Maryland
There are 1,034 obstetrics & gynecology physician records in Maryland.
All 1,034 in Maryland → Every provider in Baltimore → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Monica Buescher, MDTowson, MD 212041144204603
- Susie Chung, M.D.Towson, MD 212041912961871
- Tracy Duke, MDTowson, MD 212041487637161
- Laura Erdman, MDBaltimore, MD 212041265438238
- Mary Facciolo, MDTowson, MD 212041104809888
- Andrea Fitzgerald, M.D.Towson, MD 212041144287780
- Lawrence Fogelson, M.D.Towson, MD 212041629092770
- Michael Giudice, MDTowson, MD 212041922060961
Common questions
What is Margaret Cyzeski, MD's NPI number?
Margaret Cyzeski, MD's National Provider Identifier (NPI) is 1669455341, issued on Nov 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Cyzeski, MD located?
The NPPES record lists a practice address at 6565 N Charles St, Baltimore, MD, 21204. Phone: (443) 849-2568. Providers update this record themselves, so call before visiting.
How can I verify Margaret Cyzeski, MD's license?
NPPES lists Maryland license number D0054405, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Margaret Cyzeski, MD prescribe under Medicare Part D?
In 2024, Margaret Cyzeski, MD had 203 Medicare Part D claims for 73 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.