TAMSEN E LYONS PMHNP
NPI 1972720100
Nurse Practitioner - Psychiatric/Mental Health in Brunswick, ME
About Tamsen E Lyons Pmhnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TAMSEN E LYONS PMHNP (NPI 1972720100) is an individual psychiatric/mental health provider in Brunswick, Maine, licensed in Maine (CNP101071) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Tamsen E Lyons Pmhnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Tamsen Lyons reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Brunswick, ME 04011
- Reassigned Medicare billing, Maine enrollment
- 3,140 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 04011 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BRUNSWICK, ME 04011
BRUNSWICK, ME 04011
BRUNSWICK, ME 04011
BRUNSWICK, ME 04011
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 Tamsen Lyons's NPI number?
The NPI number for Tamsen Lyons is 1972720100. It was assigned to this individual provider in the NPPES registry on April 19, 2007.
Where is Tamsen Lyons located?
Tamsen Lyons practices at 66 Baribeau Dr, Brunswick, ME 04011. The listed phone number is (207) 373-6991.
What is Tamsen Lyons's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Tamsen Lyons enrolled in Medicare?
Yes. Tamsen Lyons is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Tamsen Lyons's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tamsen Lyons reassigns Medicare benefits to Mainehealth (Brunswick, ME). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Tamsen Lyons's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tamsen Lyons accept?
Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Tamsen Lyons as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Tamsen Lyons was last updated on April 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.