MARGARETTA BYRNE
NPI 1851643548
Nurse Practitioner - Family in Scarborough, ME
About Margaretta Byrne NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARETTA BYRNE (NPI 1851643548) is an individual family provider in Scarborough, Maine, licensed in Maine (CNP121083) and active in the NPI registry since October 2012. She is enrolled in Medicare PECOS and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
Accepted Insurance
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
Margaretta Byrne 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 Reassignments
4Medicare enrollment records show Margaretta Byrne reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Scarborough, ME 04074
- Reassigned Medicare billing, Maine enrollment
- 69 clinicians in this Medicare group
Portland, ME 04103
- Reassigned Medicare billing, Maine enrollment
- 8 clinicians in this Medicare group
Biddeford, ME 04005
- Reassigned Medicare billing, Maine enrollment
- 13 clinicians in this Medicare group
Durham, NC 27701
- Reassigned Medicare billing, Maine enrollment
- 45 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 04074 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SCARBOROUGH, ME 04074
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 Margaretta Byrne's NPI number?
The NPI number for Margaretta Byrne is 1851643548. It was assigned to this individual provider in the NPPES registry on October 5, 2012.
Where is Margaretta Byrne located?
Margaretta Byrne practices at 49 Spring St, Scarborough, ME 04074. The listed phone number is (207) 883-1414.
What is Margaretta Byrne's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Margaretta Byrne enrolled in Medicare?
Yes. Margaretta Byrne 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 organizations bill Medicare for Margaretta Byrne's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaretta Byrne reassigns Medicare benefits to 4 organizations: Maine Medical Partners (Scarborough, ME), Bishop Medical Group LLC (Portland, ME), Savida Health, PC (Biddeford, ME) and Mental Health Specialty Group PA (Durham, NC). Each 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 Margaretta Byrne's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Margaretta Byrne accept?
Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield, Cigna HealthCare of Arizona, Inc, Cigna HealthCare of Florida, Inc. and Cigna Healthcare list Margaretta Byrne 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 Margaretta Byrne was last updated on August 22, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Margaretta Byrne · NPI 1851643548
Family physician in Scarborough, Maine. Individual provider, active in the CMS NPPES registry since October 5, 2012.
## Identity
- **NPI:** 1851643548 (Entity type: Individual)
- **Enumerated:** October 5, 2012
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** CNP121083 (Maine)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 49 SPRING ST, Scarborough, ME 04074-8926
- **Phone:** (207) 883-1414 · **Fax:** (207) 883-1010
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Maine Medical Partners (NPI 1215269626, Scarborough, ME); Bishop Medical Group LLC (NPI 1487256186, Portland, ME); Savida Health, PC (NPI 1588226328, Biddeford, ME); Mental Health Specialty Group PA (NPI 1801472634, Durham, NC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** August 22, 2016
- **Other identifiers:** Medicare PIN E400296392 (ME); Medicare PIN E400296393 (ME)
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Source: [NPI Profile](https://npiprofile.com/npi/1851643548) · Data from the CMS NPPES public registry.