Tammy Lynn Merson, MSN, PMHNP-BC

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

R129055 Issued in MD

Practice address

108 Market St Ofc 3
Denton, MD 21629-1035

Phone

(410) 656-1541

Fax

(854) 400-4919

NPI assigned

Jun 24, 2013

Last updated

Aug 26, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in MD

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

Specialty

Nurse Practitioner

Education

Other, 2026

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Shore Neurocognitive Health LLCGroup PAC ID 0749566214, 5 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• University of MD Shore Medical Center at Easton Hospital, Easton, MD, CCN 210037
• University of MD Shore Medical Ctr at Chestertown Hospital, Chestertown, MD, CCN 210030

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Science - Nursing, Nurse Practitioner

State licenses

Practice roles

Locations

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

• Shore Neurocognitive Health LLC

  • Clinical Social Worker
  • Easton, MD
  • NPI 1972043750
  Medicare reassignment Care Compare group NPD
• Shore Psychiatric Services LLC

  • Psychiatric/Mental Health Nurse Practitioner
  • Goldsboro, MD
  • NPI 1790632776
  NPD Authorized official
• Senior Care of Goldsboro, Inc

  • Assisted Living Facility
  • Goldsboro, MD
  • NPI 1295077105
  NPD (past) Authorized official

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Chester River Hospital Center

  dba University of Maryland Shore Medical Center at Chestertown

  • General Acute Care Hospital
  • Chestertown, MD
  • NPI 1679536809
  Care Compare affiliation
• Shore Health System, Inc

  dba UM Shore Medical Center at Dorchester

  • General Acute Care Hospital
  • Cambridge, MD
  • NPI 1194784751
  Care Compare affiliation
• Shore Health System, Inc

  • Clinical Medical Laboratory
  • Easton, MD
  • NPI 1477513273

  Hospital

  Care Compare affiliation
• Shore Health System, Inc

  dba UM Shore Medical Center at Easton

  • General Acute Care Hospital
  • Easton, MD
  • NPI 1669431219
  Care Compare affiliation

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

{
    "created_epoch": "1372032000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787702400000",
    "number": "1235578261",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "14955 GREENSBORO RD",
            "city": "GOLDSBORO",
            "state": "MD",
            "postal_code": "216361311",
            "telephone_number": "410-924-7360",
            "fax_number": "854-400-4919"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "108 MARKET ST OFC 3",
            "city": "DENTON",
            "state": "MD",
            "postal_code": "216291035",
            "telephone_number": "410-656-1541",
            "fax_number": "854-400-4919"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "29466 Pintail Dr",
            "address_purpose": "LOCATION",
            "city": "Easton",
            "state": "MD",
            "postal_code": "216019323",
            "country_code": "US",
            "telephone_number": "443-746-3698",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MERSON",
        "first_name": "TAMMY",
        "middle_name": "LYNN",
        "credential": "MSN, PMHNP-BC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-06-24",
        "last_updated": "2026-08-26",
        "certification_date": "2026-08-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "MD",
            "license": "R129055",
            "primary": true
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "MD",
            "license": "R129055",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MBON",
            "identifier": "R129055",
            "state": "MD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANCC",
            "identifier": "2025092326",
            "state": "MD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Roger McKnight
• Tobin Ridout McNatt, M.AC. ACUPUNCTURIST
• Caleb J McNiece, AU.D.
• Denise Maxine Mead, MS, CCC-SLP
• Adeline Lee Melvin, M.D.
• Raquel Elizabeth Millet, MD
• Wanda Ann Mixon, LGPC
• Sheri N Moore, DO
• Marissa Morrow, M.A., CCC-SLP
• Sarah Jane Muller, PHARMD

• Psychiatric/Mental Health Nurse Practitioner in Denton, MD
• Providers in Denton, MD by specialty
• Psychiatric/Mental Health Nurse Practitioner in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 26, 2026; 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.