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

Mary Ellen Lyon, MD

Individual provider Emergency Medicine Physician · NPI 1093101875

Mary Ellen Lyon, MD is an Emergency Medicine in New Haven, Connecticut. Qualified in 2015, 11 years ago. Practices with Southeastern Emergency Physicians LLC, a 786-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Connecticut and Wisconsin.

Years since qualifying
11
Licensed in
CT, WI
In the registry since
2015
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Partly verified

Some contact details are missing from the federal record.

Yale Medical School 333 Cedar St
New Haven, CT 06510
Phone: (213) 713-5674
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • Uw Hospitals & Clinics, Madison, WI 53792-0001 — (608) 890-8682

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 60501 (CT)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 66793 (WI)

Record details

NPI number1093101875
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 8, 2015
Last updated in NPPESJune 6, 2018

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Southeastern Emergency Physicians Llc — 786 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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