NPPES file of Aug 9, 2026

Diane Guardiani, PMHNP (APRN)

Psychiatric/Mental Health Nurse Practitioner · Madison, CT

Diane Guardiani, PMHNP (APRN) is a psychiatric/mental health nurse practitioner with a practice address in Madison, Connecticut, and NPI 1316957285, issued on Aug 9, 2006. Check the license (Connecticut 2409, as entered in NPPES) with the Connecticut board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1316957285
Name
Diane Guardiani
Credential
PMHNP (APRN)
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License numbers
2409 CT
002409 CT
Self-reported in NPPES; status is on the state search
Practice location
175 Copse RD, Madison, CT 06443
Phone
(203) 245-2778
Enumerated
Aug 9, 2006
Record last updated
Sep 22, 2025
Fax
(203) 245-8603
Medicaid IDs
1316957285 CT
1316957285 RI
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest psychiatric/mental health nurse practitioner records → All 1,108 in Connecticut → Look up another NPI →

Also registered at 175 Copse RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jessica Andretta, LPCProfessional Counselor1447714753
  2. Amanda Aromatici, LMFTMarriage & Family Therapist1063013381
  3. Heather BernsteinClinical Psychologist1194239491
  4. Alicia ConteMental Health Counselor1386366250
  5. Nancy Darr, LCSWClinical Social Worker1942716816
  6. Kerry Graham, LPCProfessional Counselor1558372334

Verify Diane Guardiani in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
    Search for license 2409    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Connecticut license search

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Diane Guardiani among 1,108 psychiatric/mental health nurse practitioner records in Connecticut

Diane Guardiani, PMHNP (APRN) is one of 1,108 psychiatric/mental health nurse practitioner records with a practice address in Connecticut. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 87% newer
  • In a Medicare fileNo · 70% of these records are
  • In the CMS Doctors and Clinicians fileNo · 51% of these records are
  • Record last updated2025 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

9 psychiatric/mental health nurse practitioner records list a practice address in Madison

They are 9 of the 371 NPPES records with a practice address in Madison, and 1,108 psychiatric/mental health nurse practitioner records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,108 in Connecticut → Every provider in Madison → Psychiatric/Mental Health Nurse Practitioner nationwide →

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Kelsey DoyleMadison, CT 064431669081600
  2. Michael Espelin, APRN, PMHNPMadison, CT 064431790253995
  3. Susan Flannigan, APRNMadison, CT 064431598045197
  4. Tania Hossin, APRNMadison, CT 064431043614886
  5. Ann Kraft, MSN APRN PMHNPMadison, CT 064431700611597
  6. Vicki Marnin, CNMMadison, CT 064431902968852
  7. Victoria Ogbejesi, NP-C, PMHNP-CMadison, CT 064431164796249
  8. Christina PolkMadison, CT 064431457516502

Common questions

What is Diane Guardiani, PMHNP (APRN)'s NPI number?

Diane Guardiani, PMHNP (APRN)'s National Provider Identifier (NPI) is 1316957285, issued on Aug 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Diane Guardiani, PMHNP (APRN) located?

The NPPES record lists a practice address at 175 Copse RD, Madison, CT, 06443. Phone: (203) 245-2778. Providers update this record themselves, so call before visiting.

How can I verify Diane Guardiani, PMHNP (APRN)'s license?

NPPES lists Connecticut license number 2409, 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.