Mary Elizabeth Happ, PMHNP - Medicare Nurse Practitioner in Jamestown, NY

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Mary Elizabeth Happ, PMHNP is a medicare enrolled "Nurse Practitioner - Psychiatric/mental Health" in Jamestown, New York. Her current practice location is 107 Institute St, Jamestown, New York. You can reach out to her office (for appointments etc.) via phone at (716) 484-4334.

Mary Elizabeth Happ is licensed to practice in New York (license number 406665) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1538972930.

Contact Information

Mary Elizabeth Happ, PMHNP
107 Institute St,
Jamestown, NY 14701-6628
(716) 484-4334
(833) 974-2027

Map and Direction




Provider's Profile

Full NameMary Elizabeth Happ
GenderFemale
SpecialityNurse Practitioner - Psychiatric/mental Health
Location107 Institute St, Jamestown, New York
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1538972930
  • Provider Enumeration Date: 01/29/2025
  • Last Update Date: 01/29/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 9739600180
  • Enrollment ID: I20250303000746

Medical Identifiers

Medical identifiers for Mary Elizabeth Happ such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1538972930NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LP0808XNurse Practitioner - Psychiatric/mental Health 406665 (New York)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Mary Elizabeth Happ allows following entities to bill medicare on her behalf.
Entity NameThe Chautauqua Center, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760747521
PECOS PAC ID: 7214178326
Enrollment ID: O20130805000454

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Mary Elizabeth Happ is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Mary Elizabeth Happ, PMHNP
108 E 3rd St Fl 4,
Jamestown, NY 14701-5402

Ph: (716) 239-5604		Mary Elizabeth Happ, PMHNP
107 Institute St,
Jamestown, NY 14701-6628

Ph: (716) 484-4334

Reviews and Comments


Nurse Practitioner Nurses in Jamestown, NY

Jessie Blair Rink, N.P.
Nurse Practitioner
Medicare: May Accept Medicare Assignments
Practice Location: 320 Prather Ave, Suite Number 1, Jamestown, NY 14701
Phone: 716-488-1200    
Debra B Daniels, NP
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 774 Fairmount Ave, Jamestown, NY 14701
Phone: 716-708-6578    
Shirley J Swenson, FNP
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 15 S Main St, Suite 160, Jamestown, NY 14701
Phone: 716-484-7107    Fax: 716-664-2500
Jessica Currie,
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 207 Foote Ave, Jamestown, NY 14701
Phone: 716-366-7150    
Mary Jill Vaillancourt, CRNP
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 107 Institute St, Jamestown, NY 14701
Phone: 716-484-4334    Fax: 833-974-2029
Mrs. Charlene Swift Carter, NP
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 110 E 4th St, Jamestown, NY 14701
Phone: 716-661-8111    
Nerissa Rich, FNP-C
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 1684 Foote Avenue Ext, Jamestown, NY 14701
Phone: 716-661-9730    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.