HALEY ESTABROOK ACKER PA-C
NPI 1972167377
Physician Assistant in Portland, ME
About Haley Estabrook Acker Pa-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HALEY ESTABROOK ACKER PA-C (NPI 1972167377) is an individual physician assistant in Portland, Maine, licensed in Maine (PA2108) and active in the NPI registry since May 2019. She is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and maintains 5 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Locations 5
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Haley Estabrook Acker Pa-c 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.
Areas of Expertise CMS Part B claims 3
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.
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 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 Haley Acker's NPI number?
The NPI number for Haley Acker is 1972167377. It was assigned to this individual provider in the NPPES registry on May 1, 2019. The provider is also known as Haley Acker PA.
Where is Haley Acker located?
Haley Acker practices at 22 Bramhall St, Portland, ME 04102. The listed phone number is (207) 662-2273.
What is Haley Acker's specialty?
The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.
Is Haley Acker enrolled in Medicare?
Yes. Haley Acker 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.
Is Haley Acker affiliated with any hospitals?
According to CMS data, Haley Acker is affiliated with Maine Medical Center.
When was this NPI record last updated?
The NPPES record for Haley Acker was last updated on June 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 44 days 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.
# Haley Estabrook Acker, PA-C · NPI 1972167377
Physician Assistant physician in Portland, Maine. Individual provider, active in the CMS NPPES registry since May 1, 2019.
## Identity
- **NPI:** 1972167377 (Entity type: Individual)
- **Enumerated:** May 1, 2019
- **Primary specialty:** Physician Assistant · taxonomy 363A00000X
- **State license:** PA2108 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 22 BRAMHALL ST, Portland, ME 04102-3134
- **Phone:** (207) 662-2273 · **Fax:** (207) 662-6324
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** June 25, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1972167377) · Data from the CMS NPPES public registry.