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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MELISSA AYEN PMHNP-BC
NPI 1801188560
Nurse Practitioner - Psychiatric/Mental Health in Ogdensburg, NY

Active since May 12, 2011PECOS EnrolledAccepts Medicare Assignment
6122 STATE HIGHWAY 37, OGDENSBURG, NY 13669(315) 854-6364 Get Directions Write a Review

NPPES record last updated: September 4, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 4, 2026, Jun 19, 2023 (2 updates tracked since 2023).

About Melissa Ayen Pmhnp-bc NPPES

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

MELISSA AYEN PMHNP-BC (NPI 1801188560) is an individual psychiatric/mental health provider in Ogdensburg, New York, licensed in New York (404990) and active in the NPI registry since May 2011. She is enrolled in Medicare PECOS, maintains a secondary practice location in Ogdensburg, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1801188560
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMELISSA AYENCredential: PMHNP-BC
Location Address6122 STATE HIGHWAY 37Ogdensburg, NY 13669-5428
Mailing Address6122 State Highway 37Ogdensburg, NY 13669-5428 · (315) 854-6364
Phone(315) 854-6364
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateMay 12, 2011
Last NPPES UpdateSeptember 4, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 4, 2026
✔ NPI 1801188560 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in NY · 404990
Also ListedRegistered NurseTaxonomy 163W00000X · License 641956 (NY)
6122 STATE HIGHWAY 37, Ogdensburg, NY 13669
Open in Google Maps ↗

Secondary Practice Location 1

Location 1214 King StOgdensburg, NY 13669-1142 · Phone (315) 854-6364

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

Melissa Ayen Pmhnp-bc 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 ID9739549510
PECOS Enrollment IDI20230712003808
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 Reassignments

2

Medicare enrollment records show Melissa Ayen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Carthage Area Hospital Inc
3.8 mi
Critical Access
214 KING ST STE A
Ogdensburg, NY 13669
  • Reassigned Medicare billing, New York enrollment
  • 199 clinicians in this Medicare group
NPI 1669236261 (315) 393-3600
Claxton-Hepburn Medical Center
3.8 mi
Psychiatric Hospital
214 KING ST STE B
Ogdensburg, NY 13669
  • Reassigned Medicare billing, New York enrollment
  • 129 clinicians in this Medicare group
NPI 1891753034 (315) 393-3600

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

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
102 services22 patients
Psychiatric diagnostic evaluation with medical services 90792
A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.
18 services13 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
17 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 13669 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
$84.93 typical visit price
range $54.87 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.08 typical visit price
range $17.54 – $136.14
Typical copayment $24.27 (range $4.38 – $34.03)
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.

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 Melissa Ayen's NPI number?

The NPI number for Melissa Ayen is 1801188560. It was assigned to this individual provider in the NPPES registry on May 12, 2011.

Where is Melissa Ayen located?

Melissa Ayen practices at 6122 State Highway 37, Ogdensburg, NY 13669. The listed phone number is (315) 854-6364.

What is Melissa Ayen's specialty?

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

Is Melissa Ayen enrolled in Medicare?

Yes. Melissa Ayen 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 organizations bill Medicare for Melissa Ayen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Ayen reassigns Medicare benefits to 2 organizations: Carthage Area Hospital Inc (Ogdensburg, NY) and Claxton-Hepburn Medical Center (Ogdensburg, NY). Each 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 Melissa Ayen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Melissa Ayen was last updated on September 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 47 days 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.