REBECCA MASTRIANNO CRNA
NPI 1366548224
Nurse Anesthetist, Certified Registered in Lewiston, ME
About Rebecca Mastrianno Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
REBECCA MASTRIANNO CRNA (NPI 1366548224) is an individual nurse anesthetist, certified registered in Lewiston, Maine, licensed in Maine (52247) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS, is affiliated with Mid Coast Hospital, and maintains a secondary practice location in Lewiston.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
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
Rebecca Mastrianno Crna 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
5Medicare enrollment records show Rebecca Mastrianno reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lewiston, ME 04240
- Reassigned Medicare billing, Maine enrollment
- 920 clinicians in this Medicare group
Lewiston, ME 04240
- Reassigned Medicare billing, Maine enrollment
- Medicare enrollment name: St Marys Regional Medical Center
- 381 clinicians in this Medicare group
Norway, ME 04268
- Reassigned Medicare billing, Maine enrollment
- 3,140 clinicians in this Medicare group
Bridgton, ME 04009
- Reassigned Medicare billing, Maine enrollment
- 563 clinicians in this Medicare group
Rumford, ME 04276
- Reassigned Medicare billing, Maine enrollment
- 544 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mid Coast Hospital
Acute Care Hospitals · Brunswick, MECentral Maine Medical Center
Acute Care Hospitals · Lewiston, MEPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 04240 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.
LEWISTON, ME 04240
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 Rebecca Mastrianno's NPI number?
The NPI number for Rebecca Mastrianno is 1366548224. It was assigned to this individual provider in the NPPES registry on September 16, 2006. The provider is also known as Rebecca Coburn.
Where is Rebecca Mastrianno located?
Rebecca Mastrianno practices at 300 Main St, Lewiston, ME 04240. The listed phone number is (207) 795-5775.
What is Rebecca Mastrianno's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Rebecca Mastrianno enrolled in Medicare?
Yes. Rebecca Mastrianno 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 Rebecca Mastrianno's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rebecca Mastrianno reassigns Medicare benefits to 5 organizations: Central Maine Medical Center (Lewiston, ME), St. Mary's Regional Medical Center (Lewiston, ME), Mainehealth (Norway, ME), Bridgton Hospital (Bridgton, ME) and Rumford Hospital (Rumford, 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 Rebecca Mastrianno's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Rebecca Mastrianno affiliated with any hospitals?
According to CMS data, Rebecca Mastrianno is affiliated with Mid Coast Hospital and Central Maine Medical Center.
When was this NPI record last updated?
The NPPES record for Rebecca Mastrianno was last updated on March 8, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Rebecca Mastrianno, CRNA · NPI 1366548224
Nurse Anesthetist, Certified Registered physician in Lewiston, Maine. Individual provider, active in the CMS NPPES registry since September 16, 2006.
## Identity
- **NPI:** 1366548224 (Entity type: Individual)
- **Enumerated:** September 16, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 52247 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 MAIN ST, Lewiston, ME 04240-7027
- **Phone:** (207) 795-5775 · **Fax:** (207) 795-5653
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Central Maine Medical Center (NPI 1689653487, Lewiston, ME); St. Mary's Regional Medical Center (NPI 1447226584, Lewiston, ME); Mainehealth (NPI 1447730247, Norway, ME); Bridgton Hospital (NPI 1154370153, Bridgton, ME); Rumford Hospital (NPI 1205991122, Rumford, ME) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2006
## Record status
- **NPPES last updated:** March 8, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1366548224) · Data from the CMS NPPES public registry.