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

Lonnie Seo

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1740785211

Lonnie Seo is an Emergency Medicine in New Haven, Connecticut. Qualified in 2018, 8 years ago. Practices with Emergency Medicine Physicians of Fairfield County LLC, a 37-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
8
Licensed in
CT
In the registry since
2018
Specialties on file
2
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Practice location Address checks out

464 Congress Ave Ste 260
New Haven, CT 06519-1362
Phone: (203) 737-2644
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1 Hospital Plz, Stamford, CT 06902-3602 — (201) 658-2042

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 67025 (CT)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1740785211
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedMarch 27, 2018
Last updated in NPPESApril 14, 2022
Certification dateApril 14, 2022

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Emergency Medicine Physicians Of Fairfield County Llc — 37 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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