Joanne Marie Iennaco, APRN
Psychiatric/Mental Health Nurse Practitioner · Branford, CT
Joanne Marie Iennaco, APRN is a psychiatric/mental health nurse practitioner with a practice address in Branford, Connecticut, and NPI 1912337767, issued on Nov 14, 2013. Check the license (Connecticut 4459, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joanne Marie Iennaco
- Credential
- APRN
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- 4459 CT
Self-reported in NPPES; status is on the state search - Practice location
- 1090 Main St, Branford, CT 06405
- Phone
- (203) 285-5399
- Enumerated
- Nov 14, 2013
- Record last updated
- Apr 13, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140320002175); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 1,108 in Connecticut → Look up another NPI →
Also registered at 1090 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lori Blue, LMSWSocial Worker1265281984
- Amy Cahill, OTR/LPediatric Occupational Therapist1124289962
- Heather DowlingClinical Social Worker1558662114
- Patsy Kelly, LCSWClinical Social Worker1801957642
- Deborah Marcus, LCSWClinical Social Worker1073537007
- David Meyers, LCSWClinical Social Worker1972609915
Verify Joanne Marie Iennaco in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 4459Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% more Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
934 Medicare Part D claims for 26 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Divalproex Sodium Er84 claims
- Olanzapine79 claims
- Clonazepam69 claims
- Clozapine62 claims
- Trazodone Hcl49 claims
- Mirtazapine46 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- State OF ConnecticutNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joanne Marie Iennaco among 1,108 psychiatric/mental health nurse practitioner records in Connecticut
Joanne Marie Iennaco, 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. Its NPI, issued in 2013, is newer than 28% of them.
- NPI issued2013 · 28% of these records are older, 69% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated2010 · median 2020 among the 566 with a school on file
- Record last updated2018 · 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).
11 psychiatric/mental health nurse practitioner records list a practice address in Branford
They are 11 of the 661 NPPES records with a practice address in Branford, and 1,108 psychiatric/mental health nurse practitioner records in Connecticut.
All 1,108 in Connecticut → Every provider in Branford → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Maura D'Andrea, APRNBranford, CT 064051003894734
- Catherine Florio, APRNBranford, CT 064051639145113
- Jennifer Goldfuss, MSN, APRN, PMHNP-BCBranford, CT 064051215640032
- Laura Jansen, PMHNPBranford, CT 064051821917170
- Babu KhatiwadaBranford, CT 064051326836305
- Lisa Mattern, APRNBranford, CT 064051912626508
- Jeffrey Naarden, APRNBranford, CT 064051790423903
- Priya PatelBranford, CT 064051679121552
Common questions
What is Joanne Marie Iennaco, APRN's NPI number?
Joanne Marie Iennaco, APRN's National Provider Identifier (NPI) is 1912337767, issued on Nov 14, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Joanne Marie Iennaco, APRN located?
The NPPES record lists a practice address at 1090 Main St, Branford, CT, 06405. Phone: (203) 285-5399. Providers update this record themselves, so call before visiting.
How can I verify Joanne Marie Iennaco, APRN's license?
NPPES lists Connecticut license number 4459, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Joanne Marie Iennaco, APRN prescribe under Medicare Part D?
In 2024, Joanne Marie Iennaco, APRN had 934 Medicare Part D claims for 26 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions 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.