SARAH RAINIER D.O.
NPI 1235455627
Anesthesiology in Bangor, ME
About Sarah Rainier D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SARAH RAINIER D.O. (NPI 1235455627) is an individual anesthesiology provider in Bangor, Maine, licensed in Maine (DO2447) and active in the NPI registry since April 2010. She is enrolled in Medicare PECOS, is affiliated with Northern Light Eastern Maine Medical Center, and is a graduate of University Of New England, College Of Osteo Medicine (2010).
NPPES Registry Identity
Specialties & Licenses
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
Sarah Rainier D.o. 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
3Medicare enrollment records show Sarah Rainier reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bangor, ME 04401
- Reassigned Medicare billing, Maine enrollment
- 788 clinicians in this Medicare group
Bangor, ME 04401
- Reassigned Medicare billing, Maine enrollment
- 15 clinicians in this Medicare group
Fort Kent, ME 04743
- Reassigned Medicare billing, Maine enrollment
- 121 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
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northern Light Eastern Maine Medical Center
Acute Care Hospitals · Bangor, MEOther Providers at the Same Location NPPES 20
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 Sarah Rainier's NPI number?
The NPI number for Sarah Rainier is 1235455627. It was assigned to this individual provider in the NPPES registry on April 11, 2010.
Where is Sarah Rainier located?
Sarah Rainier practices at 489 State St, Bangor, ME 04401. The listed phone number is (207) 973-9700.
What is Sarah Rainier's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Sarah Rainier enrolled in Medicare?
Yes. Sarah Rainier 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 Sarah Rainier's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Rainier reassigns Medicare benefits to 3 organizations: Eastern Maine Medical Center (Bangor, ME), Acadia Medical Arts Anesthesia LLC (Bangor, ME) and Northern Maine Medical Center (Fort Kent, 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 Sarah Rainier's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sarah Rainier accept?
Health plans from Taro Health list Sarah Rainier 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.
Is Sarah Rainier affiliated with any hospitals?
According to CMS data, Sarah Rainier is affiliated with Northern Light Eastern Maine Medical Center.
When was this NPI record last updated?
The NPPES record for Sarah Rainier was last updated on October 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Sarah Rainier, D.O. · NPI 1235455627
Anesthesiology physician in Bangor, Maine. Individual provider, active in the CMS NPPES registry since April 11, 2010.
## Identity
- **NPI:** 1235455627 (Entity type: Individual)
- **Enumerated:** April 11, 2010
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** DO2447 (Maine)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 489 STATE ST, Bangor, ME 04401-6616
- **Phone:** (207) 973-9700 · **Fax:** (207) 973-5042
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Eastern Maine Medical Center (NPI 1790789147, Bangor, ME); Acadia Medical Arts Anesthesia LLC (NPI 1124185376, Bangor, ME); Northern Maine Medical Center (NPI 1568465144, Fort Kent, ME) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of New England, College Of Osteo Medicine, class of 2010
## Record status
- **NPPES last updated:** October 29, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1235455627) · Data from the CMS NPPES public registry.