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

Holly Ann Desmarais, NP-C

Individual provider Family Nurse Practitioner · NPI 1235533415

Holly Ann Desmarais, NP-C is a Nurse Practitioner in Willimantic, Connecticut. Qualified in 2014, 12 years ago. Practices with Connecticut Gi PLLC, a 245-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Connecticut and Maine.

Years since qualifying
12
Licensed in
CT, ME
In the registry since
2014
Specialties on file
2
What do these letters mean?
NP-C — Nurse Practitioner, Certified
A nurse practitioner certified by the AANP.

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Practice location Address checks out

150 Mansfield Ave
Willimantic, CT 06226-2026
Phone: (860) 423-3299
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 5956 (CT)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence CNP161017 (ME)

Record details

NPI number1235533415
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP-C
Sole proprietorNo
NPI enumeratedOctober 16, 2014
Last updated in NPPESJanuary 23, 2025
Certification dateJanuary 23, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Connecticut Gi Pllc — 245 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Willimantic