AMY COSTIGAN APRN-AGACNP-BC
NPI 1699472936
Nurse Practitioner - Acute Care in Portland, ME
About Amy Costigan Aprn-agacnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMY COSTIGAN APRN-AGACNP-BC (NPI 1699472936) is an individual acute care provider in Portland, Maine, licensed in Maine (CNP231049) and active in the NPI registry since February 2023. She is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses
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
Amy Costigan Aprn-agacnp-bc 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 Amy Costigan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, ME 04102
- Reassigned Medicare billing, Maine enrollment
- 3,140 clinicians in this Medicare group
Portland, ME 04102
- Reassigned Medicare billing, Maine enrollment
- 264 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 04102 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 04102
PORTLAND, ME 04102
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 Amy Costigan's NPI number?
The NPI number for Amy Costigan is 1699472936. It was assigned to this individual provider in the NPPES registry on February 7, 2023.
Where is Amy Costigan located?
Amy Costigan practices at 22 Bramhall St, Portland, ME 04102. The listed phone number is (207) 662-0001.
What is Amy Costigan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Amy Costigan enrolled in Medicare?
Yes. Amy Costigan 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 Amy Costigan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amy Costigan reassigns Medicare benefits to 2 organizations: Mainehealth (Portland, ME) and Maine Medical Partners (Portland, 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 Amy Costigan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Amy Costigan affiliated with any hospitals?
According to CMS data, Amy Costigan is affiliated with Maine Medical Center.
When was this NPI record last updated?
The NPPES record for Amy Costigan was last updated on February 7, 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.
# Amy Costigan, APRN-AGACNP-BC · NPI 1699472936
Acute Care physician in Portland, Maine. Individual provider, active in the CMS NPPES registry since February 7, 2023.
## Identity
- **NPI:** 1699472936 (Entity type: Individual)
- **Enumerated:** February 7, 2023
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** CNP231049 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 22 BRAMHALL ST, Portland, ME 04102-3134
- **Phone:** (207) 662-0001
## 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): Mainehealth (NPI 1073701157, Portland, ME); Maine Medical Partners (NPI 1285738310, Portland, ME) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** February 7, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1699472936) · Data from the CMS NPPES public registry.