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

MS. Karyn Ann Guilmain, APRN

Individual provider Adult Health Nurse Practitioner · NPI 1285584276

MS. Karyn Ann Guilmain, APRN is a Nurse Practitioner in Manchester, Connecticut. Qualified in 2025, 1 year ago. Practices with Heritage Internal Medicine Associates LLC, a 6-clinician group and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
1
Licensed in
CT
In the registry since
2026
What do these letters mean?
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.

See every abbreviation used in this directory →

Practice location Address checks out

945 Main St Ste 102
Manchester, CT 06040-6036
Phone: (860) 643-0319
Show map & directions

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

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence 12.016421 (CT)

Record details

NPI number1285584276
Entity typeIndividual (Type 1)
GenderFemale
Credentials APRN
Sole proprietorNo
NPI enumeratedJanuary 30, 2026
Last updated in NPPESJanuary 30, 2026
Certification dateJanuary 30, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Group practice Heritage Internal Medicine Associates Llc — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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