Shannon Mayer, FNP-BC

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

0024182949 Issued in VA

Practice address

9530 Cosner Dr Ste 200
Fredericksburg, VA 22408-7760

Phone

(540) 373-1331

NPI assigned

Oct 19, 2021

Sex

Female

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in VA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
• FHIR API: https://fhir4.healow.com/fhir/r4/DFIHDD
• Direct secure messaging: shannon.gammill.p1@direct.nextgencaf20.nextgenshare.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Cardiology Associates of Fredericksburg, LTD.

  • Cardiovascular Disease Physician
  • Fredericksburg, VA
  • NPI 1487748240

  VA

  Medicare reassignment NPD
• Cardiology Associates of Fredericksburg, LTD.

  • Cardiac Rehabilitation Registered Nurse
  • Fredericksburg, VA
  • NPI 1548019037
  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1634601600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766361600000",
    "number": "1306509138",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9530 COSNER DR STE 200",
            "city": "FREDERICKSBURG",
            "state": "VA",
            "postal_code": "224087760",
            "telephone_number": "540-373-1331"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9530 COSNER DR STE 200",
            "city": "FREDERICKSBURG",
            "state": "VA",
            "postal_code": "224087760",
            "telephone_number": "540-373-1331"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAYER",
        "first_name": "SHANNON",
        "credential": "FNP-BC",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2021-10-19",
        "last_updated": "2025-12-22",
        "certification_date": "2025-12-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "VA",
            "license": "0024182949",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• May & Hettler, O.D., PLLC
• May Hettler & Finney OD PLLC
• May Hettler Finney OD PLLC
• Danielle May, M.S. CCC-SLP
• Carol Bakke Mayer, LPC, LMFT
• Jonathan Derrick Mays
• Heather L. Mazey, MS, CSAC, LPC-R(VA)
• Momina Mazhar, MD
• Mariah Mazzariello
• Jeffrey Thomas Mazzone, MA, LPC, MA

• Family Nurse Practitioner in Fredericksburg, VA
• Providers in Fredericksburg, VA by specialty
• Family Nurse Practitioner in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 22, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.