Karyn Ann Guilmain, APRN
Adult Health Nurse Practitioner · Manchester, CT
Karyn Ann Guilmain, APRN is an adult health nurse practitioner with a practice address in Manchester, Connecticut, and NPI 1285584276, issued on Jan 30, 2026. Check the license (Connecticut 12.016421, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karyn Ann Guilmain
- Credential
- APRN
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- 12.016421 CT
Self-reported in NPPES; status is on the state search - Practice location
- 945 Main St Ste 102, Manchester, CT 06040
- Phone
- (860) 643-0319
- Enumerated
- Jan 30, 2026
- Record last updated
- Jan 30, 2026
- Medicare enrollment
- Enrolled (PECOS I20260316000508); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 628 in Connecticut → Look up another NPI →
Verify Karyn Ann Guilmain in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 12.016421Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Heritage Internal Medicine Associates LLCManchester, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karyn Ann Guilmain among 628 adult health nurse practitioner records in Connecticut
Karyn Ann Guilmain, APRN is one of 628 adult health nurse practitioner records with a practice address in Connecticut. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2026, is newer than over 99% of them.
- NPI issued2026 · over 99% of these records are older, 0% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2025 · median 2013 among the 332 with a school on file
- Record last updated2026 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Health Nurse Practitioner providers in Connecticut
There are 628 adult health nurse practitioner records in Connecticut.
All 628 in Connecticut → Every provider in Manchester → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Gwenn Drapeau, APRNManchester, CT 060401982859401
- Meghan Tetreault, AGPCNP-BCManchester, CT 060401326562828
- Megan Carlucci, APRNManchester, CT 060421831734987
- Leah Ehle, APRNManchester, CT 060421407086036
- Bernadette Quinn, APRN-BCManchester, CT 060421215233853
- Nanette Alexander, APRNGlastonbury, CT 060331568449262
- Samuel Asomaning, APRNGlastonbury, CT 060331881207595
- Estrellita Cunanan, APRNGlastonbury, CT 060331629794144
Common questions
What is Karyn Ann Guilmain, APRN's NPI number?
Karyn Ann Guilmain, APRN's National Provider Identifier (NPI) is 1285584276, issued on Jan 30, 2026. An NPI identifies a provider in billing; it is not a license.
Where is Karyn Ann Guilmain, APRN located?
The NPPES record lists a practice address at 945 Main St Ste 102, Manchester, CT, 06040. Phone: (860) 643-0319. Providers update this record themselves, so call before visiting.
How can I verify Karyn Ann Guilmain, APRN's license?
NPPES lists Connecticut license number 12.016421, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.