Joann Diaz
Psychiatric/Mental Health Nurse Practitioner · Plymouth, CT
Joann Diaz is a psychiatric/mental health nurse practitioner with a practice address in Plymouth, Connecticut, and NPI 1255064549, issued on Jul 5, 2022. Check the license with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joann Diaz
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- Practice location
- 86 Watch Tower RD, Plymouth, CT 06782
- Phone
- (860) 485-4931
- Enumerated
- Jul 5, 2022
- Record last updated
- Jul 5, 2022
- Medicare enrollment
- Enrolled (PECOS I20250911000625); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 1,108 in Connecticut → Look up another NPI →
Verify Joann Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this professionCheck 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
- Guiding Light Counseling AssociatesMiddlebury, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joann Diaz among 1,108 psychiatric/mental health nurse practitioner records in Connecticut
Joann Diaz 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. Its NPI, issued in 2022, is newer than 67% of them.
- NPI issued2022 · 67% of these records are older, 26% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated2024 · median 2020 among the 566 with a school on file
- Record last updated2022 · 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).
1 psychiatric/mental health nurse practitioner record lists a practice address in Plymouth
They are 1 of the 10 NPPES records with a practice address in Plymouth, and 1,108 psychiatric/mental health nurse practitioner records in Connecticut.
All 1,108 in Connecticut → Every provider in Plymouth → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Perry Githens, ARNPNew Milford, CT 067761811498611
- Jane Rush, APRNNew Milford, CT 067761518163864
- Maureen BruceTorrington, CT 067901417090879
- Nicole Davis, APRNTorrington, CT 067901689412371
- Iris Guillemette, MSN, APRN, PMHNP-BCTorrington, CT 067901477987923
- Kamil Koper, APRNTorrington, CT 067901467293522
- Jamie Laviana, APRNTorrington, CT 067901699480251
- Megan Mancinelli, APRNTorrington, CT 067901912684408
Common questions
What is Joann Diaz's NPI number?
Joann Diaz's National Provider Identifier (NPI) is 1255064549, issued on Jul 5, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Joann Diaz located?
The NPPES record lists a practice address at 86 Watch Tower RD, Plymouth, CT, 06782. Phone: (860) 485-4931. Providers update this record themselves, so call before visiting.
How can I verify Joann Diaz's license?
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.