NPPES file of Aug 9, 2026

Mark T. Guerette, PMHNP-BC

Psychiatric/Mental Health Nurse Practitioner · Concord, NH

Mark T. Guerette, PMHNP-BC is a psychiatric/mental health nurse practitioner with a practice address in Concord, New Hampshire, and NPI 1780346502, issued on Oct 8, 2021. Check the license (New Hampshire 071106-23, as entered in NPPES) with the New Hampshire board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1780346502
Name
Mark T. Guerette
Credential
PMHNP-BC
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
071106-23 NH
Self-reported in NPPES; status is on the state search
Practice location
36 Clinton St, Concord, NH 03301
Phone
(603) 271-5300
Enumerated
Oct 8, 2021
Record last updated
Oct 22, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20220129000061); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 36 Clinton St

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

  1. Gregory Alberto, MD, PHDPsychiatry Physician1194388041
  2. Rebecca Andrew, M.D.Psychiatry Physician1265486088
  3. R. Barrnett, M.D.Psychiatry Physician1093734519
  4. Lori BoeligOccupational Therapist1700935350
  5. Joanne BrewerPsychiatric/Mental Health Nurse Practitioner1841025061
  6. Elizabeth Carson-Fitzgerald, ARNPPsychiatric/Mental Health Nurse Practitioner1538231030

Verify Mark T. Guerette in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New Hampshire board licenses this profession
    Search for license 071106-23
    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 New Hampshire license search

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96% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

36 Medicare Part D claims, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.

  1. Mark Guerette36
  2. Specialty average906

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

  1. State OF New HampshireConcord, NH

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mark T. Guerette among 435 psychiatric/mental health nurse practitioner records in New Hampshire

Mark T. Guerette, 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 2021, is newer than 66% of them.

  • NPI issued2021 · 66% of these records are older, 27% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2021 · median 2019 among the 262 with a school on file
  • Record last updated2021 · 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).

57 psychiatric/mental health nurse practitioner records list a practice address in Concord

They are 57 of the 3,103 NPPES records with a practice address in Concord, and 435 psychiatric/mental health nurse practitioner records in New Hampshire.

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

  1. Steve Arvin, NPConcord, NH 033011306906417
  2. Emily Bryant, ARNPConcord, NH 033011073699161
  3. Elizabeth Carson-Fitzgerald, ARNPConcord, NH 033011538231030
  4. Nancy Clark, APRNConcord, NH 033011437132941
  5. Terry Hilger, PSYMH NPCConcord, NH 033011639109747
  6. Susan Kelly, APRNConcord, NH 033011659368595
  7. Elizabeth Moulton, PSYDConcord, NH 033011841268919
  8. Patricia Orzano, APRNConcord, NH 033011225003908

Common questions

What is Mark T. Guerette, PMHNP-BC's NPI number?

Mark T. Guerette, PMHNP-BC's National Provider Identifier (NPI) is 1780346502, issued on Oct 8, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Mark T. Guerette, PMHNP-BC located?

The NPPES record lists a practice address at 36 Clinton St, Concord, NH, 03301. Phone: (603) 271-5300. Providers update this record themselves, so call before visiting.

How can I verify Mark T. Guerette, PMHNP-BC's license?

NPPES lists New Hampshire license number 071106-23, as entered by the provider. Search the New Hampshire board that licenses this profession; the NPPES record confirms identity only.

How much does Mark T. Guerette, PMHNP-BC prescribe under Medicare Part D?

In 2024, Mark T. Guerette, PMHNP-BC had 36 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.