MS. KARRIE K SWEET CNP
NPI 1831488477
Nurse Practitioner in Portland, ME
About Ms. Karrie K Sweet Cnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. KARRIE K SWEET CNP (NPI 1831488477) is an individual nurse practitioner in Portland, Maine, licensed in Maine (CNP171067) and active in the NPI registry since April 2011. She is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and is a graduate of Other (2017).
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. Karrie K Sweet Cnp 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
2Medicare enrollment records show Karrie Sweet reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, ME 04101
- Reassigned Medicare billing, Maine enrollment
- Medicare enrollment name: Portland Gastroenterology Associates PA
- 34 clinicians in this Medicare group
Augusta, ME 04330
- Reassigned Medicare billing, Maine enrollment
- 978 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 4
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.
Maine Medical Center
Acute Care Hospitals · Portland, MEPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 04101 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.
PORTLAND, ME 04101
PORTLAND, ME 04101
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 Karrie Sweet's NPI number?
The NPI number for Karrie Sweet is 1831488477. It was assigned to this individual provider in the NPPES registry on April 5, 2011.
Where is Karrie Sweet located?
Karrie Sweet practices at 161 Marginal Way, Portland, ME 04101. The listed phone number is (207) 773-7964.
What is Karrie Sweet's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Karrie Sweet enrolled in Medicare?
Yes. Karrie Sweet 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 Karrie Sweet's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karrie Sweet reassigns Medicare benefits to 2 organizations: Portland Gastroenterology Associates P.A. (Portland, ME) and Mainegeneral Medical Center (Augusta, 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 Karrie Sweet's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karrie Sweet accept?
Health plans from Ambetter from NH Healthy Families and Anthem Blue Cross and Blue Shield list Karrie Sweet 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 Karrie Sweet affiliated with any hospitals?
According to CMS data, Karrie Sweet is affiliated with Maine Medical Center.
When was this NPI record last updated?
The NPPES record for Karrie Sweet was last updated on September 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.
# Ms. Karrie K Sweet, CNP · NPI 1831488477
Nurse Practitioner physician in Portland, Maine. Individual provider, active in the CMS NPPES registry since April 5, 2011.
## Identity
- **NPI:** 1831488477 (Entity type: Individual)
- **Enumerated:** April 5, 2011
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** CNP171067 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 161 MARGINAL WAY, Portland, ME 04101
- **Phone:** (207) 773-7964 · **Fax:** (207) 773-9073
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Portland Gastroenterology Associates P.A. (NPI 1508087289, Portland, ME); Mainegeneral Medical Center (NPI 1083949184, Augusta, ME) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** September 8, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1831488477) · Data from the CMS NPPES public registry.