MARY ELIZABETH HAPP PMHNP
NPI 1538972930
Nurse Practitioner - Psychiatric/Mental Health in Jamestown, NY

Active since January 29, 2025PECOS EnrolledAccepts Medicare Assignment
107 INSTITUTE ST, JAMESTOWN, NY 14701(716) 484-4334(833) 974-2027 Get Directions Write a Review

NPPES record last updated: January 29, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mary Elizabeth Happ Pmhnp NPPES

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

MARY ELIZABETH HAPP PMHNP (NPI 1538972930) is an individual psychiatric/mental health provider in Jamestown, New York, licensed in New York (406665) 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

NPI1538972930
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMARY ELIZABETH HAPPCredential: PMHNP
Location Address107 INSTITUTE STJamestown, NY 14701-6628
Mailing Address108 E 3rd St Fl 4Jamestown, NY 14701-5402 · (716) 239-5604
Fax(833) 974-2027
Sole ProprietorYes
Medical School CMSOtherGraduated 2024
Enumeration DateJanuary 29, 2025
NPPES CertifiedJanuary 29, 2025
NPI 1538972930 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 NY · 406665
107 INSTITUTE ST, Jamestown, NY 14701

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mary Elizabeth Happ 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 ID9739600180
PECOS Enrollment IDI20250303000746
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14701 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.

Other Providers at the Same Location NPPES 20

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

Speech-Language Pathologist
107 INSTITUTE ST
JAMESTOWN, NY 14701
Pediatrics
107 INSTITUTE ST
JAMESTOWN, NY 14701
Counselor (Mental Health)
107 INSTITUTE ST
JAMESTOWN, NY 14701
Nurse Practitioner (Pediatrics)
107 INSTITUTE ST
JAMESTOWN, NY 14701
Nurse Practitioner (Adult Health)
107 INSTITUTE ST
JAMESTOWN, NY 14701
Chiropractor
107 INSTITUTE ST
JAMESTOWN, NY 14701
Nurse Practitioner (Family)
107 INSTITUTE ST
JAMESTOWN, NY 14701
Social Worker (Clinical)
107 INSTITUTE ST
JAMESTOWN, NY 14701

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 Mary Happ's NPI number?

The NPI number for Mary Happ is 1538972930. It was assigned to this individual provider in the NPPES registry on January 29, 2025.

Where is Mary Happ located?

Mary Happ practices at 107 Institute St, Jamestown, NY 14701. The listed phone number is (716) 484-4334.

What is Mary Happ's specialty?

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

Is Mary Happ enrolled in Medicare?

Yes. Mary Happ 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.

When was this NPI record last updated?

The NPPES record for Mary Happ was last updated on January 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.