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CATHERINE SIERRA STUART PMHNP
NPI 1396554481
Nurse Practitioner - Psychiatric/Mental Health in Old Orchard Beach, ME

Active since January 02, 2025PECOS EnrolledAccepts Medicare Assignment
155 SACO AVE STE 2A, OLD ORCHARD BEACH, ME 04064(207) 937-8254(844) 824-7835 Get Directions Write a Review

NPPES record last updated: January 2, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Catherine Sierra Stuart Pmhnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CATHERINE SIERRA STUART PMHNP (NPI 1396554481) is an individual psychiatric/mental health provider in Old Orchard Beach, Maine, licensed in Maine (CNP241740) and active in the NPI registry since January 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1396554481
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameCATHERINE SIERRA STUARTCredential: PMHNP
Location Address155 SACO AVE STE 2AOld Orchard Beach, ME 04064-1623
Mailing Address155 Saco Ave Ste 2aOld Orchard Beach, ME 04064-1623 · (207) 937-8254 · Fax (844) 824-7835
Phone(207) 937-8254
Fax(844) 824-7835
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateJanuary 2, 2025
NPPES CertifiedDecember 11, 2024
✔ NPI 1396554481 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in ME · CNP241740
155 SACO AVE STE 2A, Old Orchard Beach, ME 04064
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care, Taro Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Catherine Sierra Stuart Pmhnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4284148396
PECOS Enrollment IDI20250710000697
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Catherine Stuart reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Healthy Minds Counseling, Inc.
134 mi
Clinical
25 COHASSET LN
Cranston, RI 02921
  • Reassigned Medicare billing, Maine enrollment
  • 25 clinicians in this Medicare group
NPI 1013630771 (401) 787-0217

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04064 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$86.72 typical visit price
range $56.28 – $169.96
Typical copayment $21.68 (range $14.07 – $42.49)
Most-billed visit code 99203
Established Patient
$99.18 typical visit price
range $18.22 – $138.92
Typical copayment $24.79 (range $4.55 – $34.73)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KEOHIKAI MICHAEL LAIKUPU NP
Nurse Practitioner (Primary Care)
155 SACO AVE STE 2A
OLD ORCHARD BEACH, ME 04064
York County (207) 937-8254
PATRICIA H ROBINSON LCSW
Social Worker (Clinical)
155 SACO AVE STE 2A
OLD ORCHARD BEACH, ME 04064
York County (207) 937-8254
SEASIDE FAMILY HEALTH CARE LLC PA
Nurse Practitioner (Family)
155 SACO AVE STE 2A
OLD ORCHARD BEACH, ME 04064
York County (207) 937-8254

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Catherine Stuart's NPI number?

The NPI number for Catherine Stuart is 1396554481. It was assigned to this individual provider in the NPPES registry on January 2, 2025.

Where is Catherine Stuart located?

Catherine Stuart practices at 155 Saco Ave Ste 2A, Old Orchard Beach, ME 04064. The listed phone number is (207) 937-8254.

What is Catherine Stuart's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Catherine Stuart enrolled in Medicare?

Yes. Catherine Stuart is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Catherine Stuart's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Stuart reassigns Medicare benefits to Healthy Minds Counseling, Inc. (Cranston, RI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Catherine Stuart's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Catherine Stuart accept?

Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and Taro Health list Catherine Stuart as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Catherine Stuart was last updated on January 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.