MARISSA LYON PT, DPT
NPI 1982241931
Physical Therapist - Neurology in Portland, ME
About Marissa Lyon Pt, Dpt NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARISSA LYON PT, DPT (NPI 1982241931) is an individual neurology provider in Portland, Maine, licensed in Maine (PT5505) and active in the NPI registry since December 2019. She is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Marissa Lyon Pt, Dpt 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.
Medicare Billing Reassignment
Medicare enrollment records show Marissa Lyon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
South Portland, ME 04106
- Reassigned Medicare billing, Maine enrollment
- 32 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.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PORTLAND, ME 04102
PORTLAND, ME 04102
PORTLAND, ME 04102
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 Marissa Lyon's NPI number?
The NPI number for Marissa Lyon is 1982241931. It was assigned to this individual provider in the NPPES registry on December 9, 2019.
Where is Marissa Lyon located?
Marissa Lyon practices at 1274 Congress St Fl 3, Portland, ME 04102. The listed phone number is (207) 888-0900.
What is Marissa Lyon's specialty?
The primary specialty registered for this NPI is Physical Therapist, specializing in Neurology, with taxonomy code 2251N0400X.
Is Marissa Lyon enrolled in Medicare?
Yes. Marissa Lyon 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.
Which organization bills Medicare for Marissa Lyon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marissa Lyon reassigns Medicare benefits to Maine Strong Physical Therapy PA (South Portland, 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 Marissa Lyon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Marissa Lyon was last updated on December 9, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.