Mrs Melissa A Callahan, CRNP - Medicare Nurse Practitioner in Exton, PA

Mrs Melissa A Callahan, CRNP is a medicare enrolled "Nurse Practitioner - Gerontology" in Exton, Pennsylvania. Her current practice location is 320 Exton Cmns, Exton, Pennsylvania. You can reach out to her office (for appointments etc.) via phone at (866) 268-6609.

Mrs Melissa A Callahan is licensed to practice in Pennsylvania (license number TP006181H) 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 1669411393.

Contact Information

Mrs Melissa A Callahan, CRNP
320 Exton Cmns,
Exton, PA 19341-2450
(866) 268-6609
(866) 610-4542

Map and Direction




Provider's Profile

Full NameMrs Melissa A Callahan
GenderFemale
SpecialityNurse Practitioner - Gerontology
Location320 Exton Cmns, Exton, Pennsylvania
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1669411393
  • Provider Enumeration Date: 06/06/2006
  • Last Update Date: 02/26/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 5597951269
  • Enrollment ID: I20101119000608

Medical Identifiers

Medical identifiers for Mrs Melissa A Callahan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1669411393NPI-NPPES
102510472 0001OtherPAPROMISE NUMBER
032688YCCWOtherPAMEDICARE NUMBER

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LG0600XNurse Practitioner - Gerontology TP006181H (Pennsylvania)Primary
363LA2200XNurse Practitioner - Adult Health TP006182C (Pennsylvania)Secondary

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. Mrs Melissa A Callahan 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
Mrs Melissa A Callahan, CRNP
320 Exton Cmns,
Exton, PA 19341-2450

Ph: (866) 268-6609
Mrs Melissa A Callahan, CRNP
320 Exton Cmns,
Exton, PA 19341-2450

Ph: (866) 268-6609

Reviews and Comments


Nurse Practitioner Nurses in Exton, PA

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Practice Location: 501 Thomas Jones Way, Exton, PA 19341
Phone: 484-873-3700    

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).

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