Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Sheila Lonczak, PA-C

Individual provider Medical Physician Assistant · NPI 1215362058

Sheila Lonczak, PA-C is a Physician Assistant in Groton, Connecticut. Qualified in 2013, 13 years ago. Practices with Urgent Care Medical Associates, LLC, a 113-clinician group and accepts Medicare assignment. Licensed in Connecticut and Rhode Island.

Years since qualifying
13
Licensed in
CT, RI
In the registry since
2013
Specialties on file
2
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

See every abbreviation used in this directory →

Practice location Address checks out

220 Route 12
Groton, CT 06340-3414
Phone: (860) 650-3848
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Physician Assistant (primary) Taxonomy 363AM0700X · Licence 7025 (CT)
Medical Physician Assistant Taxonomy 363AM0700X · Licence PA01016 (RI)

Record details

NPI number1215362058
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C
Sole proprietorNo
NPI enumeratedSeptember 12, 2013
Last updated in NPPESSeptember 9, 2026
Certification dateSeptember 9, 2026

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Urgent Care Medical Associates, Llc — 113 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Urgent Care Medical Associates, LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 113 clinicians in the practice; 12 are shown here.

Other providers in Groton