MS. SHAUNA LYNN LITTLEFIELD ACNPC-AG, RNFA
NPI 1003482522
Nurse Practitioner - Acute Care in Belfast, ME
About Ms. Shauna Lynn Littlefield Acnpc-ag, Rnfa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. SHAUNA LYNN LITTLEFIELD ACNPC-AG, RNFA (NPI 1003482522) is an individual acute care provider in Belfast, Maine, licensed in Maine (CNP211206) and active in the NPI registry since June 2021. She is enrolled in Medicare PECOS, is affiliated with Waldo County General Hospital, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 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
Ms. Shauna Lynn Littlefield Acnpc-ag, Rnfa 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 Shauna Littlefield reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Belfast, ME 04915
- Reassigned Medicare billing, Maine enrollment
- Also billed through NPI 1265912075 (Maine)
- 211 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Waldo County General Hospital
Critical Access Hospitals · Belfast, MEPhysician 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.
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 Shauna Littlefield's NPI number?
The NPI number for Shauna Littlefield is 1003482522. It was assigned to this individual provider in the NPPES registry on June 3, 2021.
Where is Shauna Littlefield located?
Shauna Littlefield practices at 16 Fahy St Ste 202, Belfast, ME 04915. The listed phone number is (207) 505-4603.
What is Shauna Littlefield's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Shauna Littlefield enrolled in Medicare?
Yes. Shauna Littlefield 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 Shauna Littlefield's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shauna Littlefield reassigns Medicare benefits to Mainehealth (Belfast, 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 Shauna Littlefield's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Shauna Littlefield accept?
Health plans from Taro Health list Shauna Littlefield 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 Shauna Littlefield affiliated with any hospitals?
According to CMS data, Shauna Littlefield is affiliated with Waldo County General Hospital.
When was this NPI record last updated?
The NPPES record for Shauna Littlefield was last updated on May 10, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Ms. Shauna Lynn Littlefield, ACNPC-AG, RNFA · NPI 1003482522
Acute Care physician in Belfast, Maine. Individual provider, active in the CMS NPPES registry since June 3, 2021.
## Identity
- **NPI:** 1003482522 (Entity type: Individual)
- **Enumerated:** June 3, 2021
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** CNP211206 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 16 FAHY ST STE 202, Belfast, ME 04915-6029
- **Phone:** (207) 505-4603
## 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:** Mainehealth (NPI 1841397932, Belfast, ME), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** May 10, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1003482522) · Data from the CMS NPPES public registry.