Carissa J. Kajenski, APRN, PMHNP-BC
Psychiatric/Mental Health Nurse Practitioner · Nashua, NH
Carissa J. Kajenski, APRN, PMHNP-BC is a psychiatric/mental health nurse practitioner with a practice address in Nashua, New Hampshire, and NPI 1700294139, issued on Jul 29, 2014. Check the license (New Hampshire 054337-23, as entered in NPPES) with the New Hampshire board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Carissa J. Kajenski
- Credential
- APRN, PMHNP-BC
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- 054337-23 NH
Self-reported in NPPES; status is on the state search - Practice location
- 402 Amherst St Ste 202, Nashua, NH 03063
- Phone
- (857) 847-5306
- Enumerated
- Jul 29, 2014
- Record last updated
- Oct 30, 2022
- Fax
- (857) 770-9682
- Medicare enrollment
- Enrolled (PECOS I20170224001551); may accept Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 435 in New Hampshire → Look up another NPI →
Also registered at 402 Amherst St Ste 202
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christine Sperrazza, LCMHCMental Health Counselor1932468824
Verify Carissa J. Kajenski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Hampshire board licenses this profession
Search for license 054337-23Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
110 Medicare Part D claims, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Alprazolam13 claims
- Duloxetine Hcl12 claims
- Lamotrigine12 claims
- Dextroamphetamine-Amphet Er11 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
- Hopeful Mind Mental Health, PLLCAmherst, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Carissa J. Kajenski among 435 psychiatric/mental health nurse practitioner records in New Hampshire
Carissa J. Kajenski, APRN, PMHNP-BC is one of 435 psychiatric/mental health nurse practitioner records with a practice address in New Hampshire. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 38% of them.
- NPI issued2014 · 38% of these records are older, 58% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2014 · median 2019 among the 262 with a school on file
- Record last updated2022 · 30% 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 New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
54 psychiatric/mental health nurse practitioner records list a practice address in Nashua
They are 54 of the 3,140 NPPES records with a practice address in Nashua, and 435 psychiatric/mental health nurse practitioner records in New Hampshire.
All 435 in New Hampshire → Every provider in Nashua → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Tiffany Gaudet, APRNNashua, NH 030631770144917
- Jill JeffersonNashua, NH 030631679436281
- Johnmichael KimaniNashua, NH 030631134710015
- Emily Rude, PMH-NPNashua, NH 030631275106577
- Katherine Brock, MSN, APRN, PMHNP-BCNashua, NH 030621104585280
- Suzanne Courter, APRN PMHNP-BCNashua, NH 030621417721705
- Christina Gormly, PMHNP-BCNashua, NH 030621639430168
- Galichet JulusNashua, NH 030621265082598
Common questions
What is Carissa J. Kajenski, APRN, PMHNP-BC's NPI number?
Carissa J. Kajenski, APRN, PMHNP-BC's National Provider Identifier (NPI) is 1700294139, issued on Jul 29, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Carissa J. Kajenski, APRN, PMHNP-BC located?
The NPPES record lists a practice address at 402 Amherst St Ste 202, Nashua, NH, 03063. Phone: (857) 847-5306. Providers update this record themselves, so call before visiting.
How can I verify Carissa J. Kajenski, APRN, PMHNP-BC's license?
NPPES lists New Hampshire license number 054337-23, as entered by the provider. Search the New Hampshire board that licenses this profession; the NPPES record confirms identity only.
How much does Carissa J. Kajenski, APRN, PMHNP-BC prescribe under Medicare Part D?
In 2024, Carissa J. Kajenski, APRN, PMHNP-BC had 110 Medicare Part D claims; 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.