DANIEL KEVIN O'BRIEN (NP) – Psychiatric/Mental Health Nurse Practitioner, NPI 1629619002

DANIEL KEVIN O'BRIEN (NP) is a healthcare provider. based in Portland, Maine. specializing in NURSE PRACTITIONER. They hold the professional credentials NP. They hold a License No. CNP191205 (ME). The NPI Number for DANIEL KEVIN O'BRIEN (NP) is 1629619002

Main info

Male
7 Years Of Experience
Accepts Medicare Assignment
Name
DANIEL KEVIN O'BRIEN (NP)
NPI
1629619002
Phone
(207) 874-2141
Address
180 PARK AVE
Enumeration Date
7 October 2019
Last Update Date
7 October 2019

Doctor Profile

Medical School Name
OTHER
Secondary Phone
4142243737
Graduation Year
2019 (7 years ago)
PAC ID
4183046576
Group Practice PAC ID
5092740985
Professional Enrollment ID
I20230523000515
Address ID
WI532024212MI229XXAVEX402
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience26
Completeness75
Years active:6State licenses:1Digital endpointsOther names

1,871 NURSE PRACTITIONER in ME

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Provider Addresses for DANIEL KEVIN O'BRIEN (NP)

  • 180, Park Avenue, Oakdale, Portland, Cumberland County, Maine, 04102, United States

    PORTLAND, ME 041022957

    Phone: (207) 874-2141

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 2 Open Payments records for all available years, with a total value of $26.

Total Amount is formed as General ($26) + Research ($0) + Ownership ($0) = $26.

Last reported payment date: 2023-08-04 • Largest payer in this snapshot: ABBVIE INC. ($13).

Total Amount

$26

General + Research + Ownership

Payments

2

Total payment records

General Amount

$26

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-08-04

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.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2023-05-23

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20230523000515INurse PractitionerWITBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

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.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 04102)

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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: 5092740985View full group profile
NameSpecialtyState
P S Y C H I A T R YWI
Clinical PsychologistWI
Clinical Social WorkerWI
Clinical Social WorkerWI
Clinical PsychologistWI
Clinical Social WorkerWI
Clinical Social WorkerWI
Clinical Social WorkerWI
Clinical Social WorkerWI
Clinical Social WorkerWI

Reviews

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Frequently asked questions

How is DANIEL KEVIN O'BRIEN (NP) identified in CMS data?
CMS-hosted NPPES data lists DANIEL KEVIN O'BRIEN (NP) with NPI 1629619002.
Does CMS list DANIEL KEVIN O'BRIEN (NP) as active?
Yes — DANIEL KEVIN O'BRIEN (NP) is active in the NPI listing used on this page.
What is DANIEL KEVIN O'BRIEN (NP)'s specialty?
The listing groups DANIEL KEVIN O'BRIEN (NP) with Psychiatric/Mental Health Nurse Practitioner. Clinical services aligned with this taxonomy classification.
Does DANIEL KEVIN O'BRIEN (NP) list a practice location?
Patients near Portland, Maine may find DANIEL KEVIN O'BRIEN (NP) in results; validate coverage separately.
Is specialty guaranteed by NPI alone?
Taxonomy selections describe intent; scope of practice still follows state law.

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