TAMMY LYNN MERSON MSN, PMHNP-BC
NPI 1235578261
Nurse Practitioner - Psychiatric/Mental Health in Easton, MD
About Tammy Lynn Merson Msn, Pmhnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TAMMY LYNN MERSON MSN, PMHNP-BC (NPI 1235578261) is an individual psychiatric/mental health provider in Easton, Maryland, licensed in Maryland (R129055) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS, is affiliated with University Of Md Shore Medical Ctr At Chestertown, and is a graduate of Other (2026).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Tammy Lynn Merson Msn, Pmhnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of MD Shore Medical Ctr At Chestertown
Acute Care Hospitals · Chestertown, MDUniversity Of MD Shore Medical Center At Easton
Acute Care Hospitals · Easton, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21601 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
EASTON, MD 21601
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Tammy Merson's NPI number?
The NPI number for Tammy Merson is 1235578261. It was assigned to this individual provider in the NPPES registry on June 24, 2013.
Where is Tammy Merson located?
Tammy Merson practices at 29466 Pintail Dr, Easton, MD 21601. The listed phone number is (443) 746-3698.
What is Tammy Merson's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Tammy Merson enrolled in Medicare?
Yes. Tammy Merson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Is Tammy Merson affiliated with any hospitals?
According to CMS data, Tammy Merson is affiliated with University Of MD Shore Medical Ctr At Chestertown and University Of MD Shore Medical Center At Easton.
When was this NPI record last updated?
The NPPES record for Tammy Merson was last updated on January 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.