Tammy Lynn Merson, MSN, PMHNP-BC - Medicare Nurse Practitioner in Denton, MD

Tammy Lynn Merson, MSN, PMHNP-BC is a medicare enrolled "Nurse Practitioner - Psychiatric/mental Health" in Denton, Maryland. She graduated from nursing school in 2026 and has 0 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Shore Neurocognitive Health Llc and her current practice location is 108 Market St Ofc 3, Denton, Maryland. You can reach out to her office (for appointments etc.) via phone at (410) 656-1541.

Tammy Lynn Merson is licensed to practice in Maryland (license number R129055) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1235578261.

Contact Information

Tammy Lynn Merson, MSN, PMHNP-BC
108 Market St Ofc 3,
Denton, MD 21629-1035
(410) 656-1541
(854) 400-4919

Map and Direction




Provider's Profile

Full NameTammy Lynn Merson
GenderFemale
SpecialityNurse Practitioner
Location108 Market St Ofc 3, Denton, Maryland
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Tammy Lynn Merson graduated from nursing school in 2026
  NPI Data:
  • NPI Number: 1235578261
  • Provider Enumeration Date: 06/24/2013
  • Last Update Date: 08/26/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 3173002912
  • Enrollment ID: I20260211001806

Medical Identifiers

Medical identifiers for Tammy Lynn Merson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1235578261NPI-NPPES
R129055OtherMDMBON
2025092326OtherMDANCC

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LP0808XNurse Practitioner - Psychiatric/mental Health R129055 (Maryland)Primary
163W00000XRegistered Nurse R129055 (Maryland)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
University Of Md Shore Medical Center At EastonEaston, MDHospital
Umd Shore Medical Ctr At ChestertownChestertown, MDHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Shore Neurocognitive Health Llc07495662145

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. Tammy Lynn Merson allows following entities to bill medicare on her behalf.
Entity NameShore Neurocognitive Health LLC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1972043750
PECOS PAC ID: 0749566214
Enrollment ID: O20170418000235

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. Tammy Lynn Merson 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
Tammy Lynn Merson, MSN, PMHNP-BC
14955 Greensboro Rd,
Goldsboro, MD 21636-1311

Ph: (410) 924-7360
Tammy Lynn Merson, MSN, PMHNP-BC
108 Market St Ofc 3,
Denton, MD 21629-1035

Ph: (410) 656-1541

Reviews and Comments


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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.