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

Ellen Walker Seyller, MD

Individual provider Family Medicine Physician · NPI 1558940445

Ellen Walker Seyller, MD is a Family Practice in Cromwell, Connecticut. Graduated from University of Vermont College of Medicine in 2021, 5 years ago. Practices with Mhs Primary Care, Inc, a 177-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Connecticut.

Years since qualifying
5
Trained at
University of Vermont College of Medicine
Licensed in
CT
In the registry since
2021
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

70 Shunpike Rd
Cromwell, CT 06416
Phone: (860) 358-5280
Fax: (860) 358-8650
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 082545 (CT)

Record details

NPI number1558940445
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 7, 2021
Last updated in NPPESNovember 5, 2025
Certification dateNovember 5, 2025
Mailing address28 Crescent St, Middletown, CT 06457-3654

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF VERMONT COLLEGE OF MEDICINE
Graduated 2021 (5 years in practice)
Group practice Mhs Primary Care, Inc. — 177 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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