Charlotte Seyon Marcus, M.D
Gynecologic Oncology Physician · Philadelphia, PA
Charlotte Seyon Marcus, M.D is a gynecologic oncology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1235306457, issued on May 15, 2008. Check the license (Pennsylvania MD467282, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Charlotte Seyon Marcus
- Credential
- M.D
- Primary taxonomy
- Gynecologic Oncology Physician 207VX0201X
- License numbers
- MD467282 PA
25MA105729 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3400 Civic Center Blvd FL 3, Philadelphia, PA 19104
- Phone
- (215) 662-3318
- Enumerated
- May 15, 2008
- Record last updated
- Aug 15, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (215) 349-5680
- Medicare enrollment
- Enrolled (PECOS I20200415002762); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest gynecologic oncology physician records → All 98 in Pennsylvania → Look up another NPI →
Also registered at 3400 Civic Center Blvd FL 3
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daria Babushok, MD, PHDHematology & Oncology Physician1558521054
- Lauren Campe, MA CCC/SLPSpeech-Language Pathologist1336873215
- Alayna D'Entremont, MMS, PA-CPhysician Assistant1790412088
- Patricia Dooley, MS, CCC/SLPSpeech-Language Pathologist1245964121
- Jennifer Eads, M.D.Medical Oncology Physician1487842100
- Jessica Ebrahimzadeh, MSGenetic Counselor (M.S.)1063837276
Verify Charlotte Seyon Marcus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD467282Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average gynecologic oncology physician in 2024
114 Medicare Part D claims for 54 beneficiaries, against an average of 195 among the 1,475 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Estradiol12 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 79.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $283.19
2 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 1,199 providers of this specialty with any payment received $6,387.20 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
- Clinical Health Care Associates OF New Jersey PCPlainsboro, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charlotte Seyon Marcus among 98 gynecologic oncology physician records in Pennsylvania
Charlotte Seyon Marcus, M.D is one of 98 gynecologic oncology physician records with a practice address in Pennsylvania. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 50% of them.
- NPI issued2008 · 50% of these records are older, 42% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2006 · median 2006 among the 73 with a school on file
- Record last updated2019 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VX0201X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gynecologic Oncology Physician providers in Pennsylvania
There are 98 gynecologic oncology physician records in Pennsylvania.
All 98 in Pennsylvania → Every provider in Philadelphia → Gynecologic Oncology Physician nationwide →
The 8 gynecologic oncology physician records with the nearest ZIP codes
- Nawar Abdul Latif, M.D.Philadelphia, PA 191041023247335
- Robert Burger, MDPhiladelphia, PA 191041043393564
- Lori Cory, MDPhiladelphia, PA 191041770873085
- George Coukos, MDPhiladelphia, PA 191041205867942
- Julianna Doran, PA-CPhiladelphia, PA 191041346052826
- Stefan Gysler, M.D. M.H.S.Philadelphia, PA 191041881073245
- Ashley Haggerty, MDPhiladelphia, PA 191041639331028
- Camille McCallister, MDPhiladelphia, PA 191041942862628
Common questions
What is Charlotte Seyon Marcus, M.D's NPI number?
Charlotte Seyon Marcus, M.D's National Provider Identifier (NPI) is 1235306457, issued on May 15, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Charlotte Seyon Marcus, M.D located?
The NPPES record lists a practice address at 3400 Civic Center Blvd FL 3, Philadelphia, PA, 19104. Phone: (215) 662-3318. Providers update this record themselves, so call before visiting.
How can I verify Charlotte Seyon Marcus, M.D's license?
NPPES lists Pennsylvania license number MD467282, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Charlotte Seyon Marcus, M.D prescribe under Medicare Part D?
In 2024, Charlotte Seyon Marcus, M.D had 114 Medicare Part D claims for 54 beneficiaries; the average among gynecologic oncology physician prescribers was 195. Part D covers Medicare prescriptions only.
What is Charlotte Seyon Marcus, M.D's MIPS final score?
The 2023 MIPS final score is 79.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.