MARY ELSA THEOBALD NP
NPI 1356418685
Nurse Practitioner in Brooks, ME
About Mary Elsa Theobald Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY ELSA THEOBALD NP (NPI 1356418685) is an individual nurse practitioner in Brooks, Maine, licensed in Maine (R030807) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mary Elsa Theobald Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Mary Theobald reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Belfast, ME 04915
- Reassigned Medicare billing, Maine enrollment
- Also billed through NPI 1265912075 (Maine)
- 211 clinicians in this Medicare group
Belfast, ME 04915
- Reassigned Medicare billing, Maine enrollment
- Medicare enrollment name: Waldo County General Hospital
- 82 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 04915 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.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Mary Theobald's NPI number?
The NPI number for Mary Theobald is 1356418685. It was assigned to this individual provider in the NPPES registry on November 30, 2006.
Where is Mary Theobald located?
Mary Theobald practices at 55 Reynolds Road, Brooks, ME 04915. The listed phone number is (207) 722-3488.
What is Mary Theobald's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Mary Theobald enrolled in Medicare?
Yes. Mary Theobald is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mary Theobald's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Theobald reassigns Medicare benefits to 2 organizations: Mainehealth (Belfast, ME) and Mainehealth (Belfast, ME). 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 Mary Theobald'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 Mary Theobald was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.