NPPES file of Aug 9, 2026

Catherine Sierra Stuart, PMHNP

Psychiatric/Mental Health Nurse Practitioner · Old Orchard Beach, ME

Catherine Sierra Stuart, PMHNP is a psychiatric/mental health nurse practitioner with a practice address in Old Orchard Beach, Maine, and NPI 1396554481, issued on Jan 2, 2025. Check the license (Maine CNP241740, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1396554481
Name
Catherine Sierra Stuart
Credential
PMHNP
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
CNP241740 ME
Self-reported in NPPES; status is on the state search
Practice location
155 Saco Ave Ste 2A, Old Orchard Beach, ME 04064
Phone
(207) 937-8254
Enumerated
Jan 2, 2025
Record last updated
Jan 2, 2025
Fax
(844) 824-7835
Medicare enrollment
Enrolled (PECOS I20250710000697); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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8 nearest psychiatric/mental health nurse practitioner records → All 472 in Maine → Look up another NPI →

Also registered at 155 Saco Ave Ste 2A

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

  1. Keohikai Laikupu, NPPrimary Care Nurse Practitioner1013672435
  2. Patricia Robinson, LCSWClinical Social Worker1144957507

Verify Catherine Sierra Stuart in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maine board licenses this profession
    Search for license CNP241740    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 Maine license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Healthy Minds Counseling IncPortland, ME

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

Catherine Sierra Stuart among 472 psychiatric/mental health nurse practitioner records in Maine

Catherine Sierra Stuart, PMHNP is one of 472 psychiatric/mental health nurse practitioner records with a practice address in Maine. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 88% of them.

  • NPI issued2025 · 88% of these records are older, 5% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2024 · median 2019 among the 303 with a school on file
  • Record last updated2025 · 40% 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 Maine 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 Old Orchard Beach

They are 1 of the 59 NPPES records with a practice address in Old Orchard Beach, and 472 psychiatric/mental health nurse practitioner records in Maine.

All 472 in Maine → Every provider in Old Orchard Beach → Psychiatric/Mental Health Nurse Practitioner nationwide →

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

  1. Anya Wilhelmi, PMHNPWindham, ME 040621790494516
  2. Samantha Deveau, PMHNPPorter, ME 040681003597253
  3. Lynne Sweeney, PMHNPPorter, ME 040681063666147
  4. Kate Radlinski, FNP, PMHNPRaymond, ME 040711386052926
  5. Ashley Cardurns, PMHNP-BCSaco, ME 040721376045070
  6. Tara Molloy, APRNSaco, ME 040721689953762
  7. Alanna Oreste, PMHNPSaco, ME 040721669392502
  8. Marie Paschke, PMHNP, LCSWSaco, ME 040721407818958

Common questions

What is Catherine Sierra Stuart, PMHNP's NPI number?

Catherine Sierra Stuart, PMHNP's National Provider Identifier (NPI) is 1396554481, issued on Jan 2, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Sierra Stuart, PMHNP located?

The NPPES record lists a practice address at 155 Saco Ave Ste 2A, Old Orchard Beach, ME, 04064. Phone: (207) 937-8254. Providers update this record themselves, so call before visiting.

How can I verify Catherine Sierra Stuart, PMHNP's license?

NPPES lists Maine license number CNP241740, as entered by the provider. Search the Maine 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.

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.