KATHLEEN IRENE O'BRIEN (P.A.-C) – Physician Assistant, NPI 1942597661

KATHLEEN IRENE O'BRIEN (P.A.-C) is a healthcare provider. based in Brunswick, Maine. specializing in Physician Assistant. They hold the professional credentials P.A.-C. They hold a License No. PA1272 (ME). The NPI Number for KATHLEEN IRENE O'BRIEN (P.A.-C) is 1942597661

Main info

Female
15 Years Of Experience
Accepts Medicare Assignment
Name
KATHLEEN IRENE O'BRIEN (P.A.-C)
NPI
1942597661
Phone
(207) 798-4050
Address
74 BARIBEAU DR
Enumeration Date
1 July 2011
Last Update Date
24 August 2023

Doctor Profile

Medical School Name
UNIVERSITY OF NEW ENGLAND, COLLEGE OF OSTEO MEDICINE
Secondary Phone
2077258079
Graduation Year
2011 (15 years ago)
PAC ID
7911179460
Group Practice PAC ID
5991776635
Professional Enrollment ID
I20111006000080

Contacts

Secure Messaging
kathleen.o.brien.1@5857.direct.athenahealth.com
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness85
Years active:14State licenses:1Other namesUpdated within 12 months

Provider Addresses for KATHLEEN IRENE O'BRIEN (P.A.-C)

  • 74 BARIBEAU DR

    BRUNSWICK, ME 040113218

    Phone: (207) 798-4050

    Fax: (207) 798-4018

    Type: Location

  • PO BOX 9746

    PORTLAND, ME 041045040

    Phone: (207) 791-3888

    Fax: (207) 828-7850

    Type: Mailing

  • 1 WELLNESS WAY

    TOPSHAM, ME 040861768

    Phone: (207) 406-7600

    Fax: (207) 618-5683

    Type: Mailing

  • 114 BATH RD

    BRUNSWICK, ME 040112606

    Phone: (207) 798-4400

    Fax: (207) 798-4452

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $23.

Total Amount is formed as General ($23) + Research ($0) + Ownership ($0) = $23.

Last reported payment date: 2024-02-02 • Largest payer in this snapshot: Regeneron Healthcare Solutions, Inc. ($23).

Total Amount

$23

General + Research + Ownership

Payments

1

Total payment records

General Amount

$23

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-02-02

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99214Established patient office or other outpatient visit, 30-39 minutes2928$0
G0439Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit1919$0
36415Insertion of needle into vein for collection of blood sample1814$0
99213Established patient office or other outpatient visit, 20-29 minutes1515$0
80053Blood test, comprehensive group of blood chemicals1312$0
View full utilization report →

Insurance plans in this area (ZIP 04011)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 5991776635View full group profile
NameSpecialtyState
Physician AssistantMI
Family PracticeME
Nurse PractitionerME
-ME
-ME
Family PracticeME
-ME
Physician AssistantME
Family PracticeME
Family PracticeME

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Frequently asked questions

What identifier follows KATHLEEN IRENE O'BRIEN (P.A.-C) across health systems?
The NPI 1942597661 uniquely identifies KATHLEEN IRENE O'BRIEN (P.A.-C) in U.S. healthcare data.
Is KATHLEEN IRENE O'BRIEN (P.A.-C)'s NPI status active today?
Active status means KATHLEEN IRENE O'BRIEN (P.A.-C)'s NPI record is not deactivated in the public file.
What does the directory say KATHLEEN IRENE O'BRIEN (P.A.-C) does?
Insurance directories may phrase it differently, but here KATHLEEN IRENE O'BRIEN (P.A.-C) maps to Physician Assistant. Clinical services aligned with this taxonomy classification.
Is KATHLEEN IRENE O'BRIEN (P.A.-C) tied to Brunswick, Maine?
If you are local to Brunswick, Maine, KATHLEEN IRENE O'BRIEN (P.A.-C) may be relevant to your search.
Who maintains KATHLEEN IRENE O'BRIEN (P.A.-C)'s record?
Providers certify NPPES data; CMS hosts the public file you are viewing.

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