Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Marc St Cyr, MD

Individual provider Emergency Medicine Physician · NPI 1356907414

Marc St Cyr, MD is an Emergency Medicine in Paoli, Pennsylvania. Graduated from University of Texas Medical School at Houston in 2020, 6 years ago. Practices with Main Line Emergency Med Associates LLC, a 48-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
6
Trained at
University of Texas Medical School at Houston
Licensed in
PA
In the registry since
2019
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

255 W Lancaster Ave
Paoli, PA 19301-1763
Phone: (484) 565-1000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence MD485187 (PA)

Record details

NPI number1356907414
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 14, 2019
Last updated in NPPESNovember 10, 2025
Certification dateNovember 10, 2025
Mailing address255 W Lancaster Ave, Paoli, PA 19301-1763

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF TEXAS MEDICAL SCHOOL AT HOUSTON
Graduated 2020 (6 years in practice)
Group practice Main Line Emergency Med Associates Llc — 48 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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