BERNARD J. O'BRIEN (P.A.C.) – Physician Assistant, NPI 1871523977

BERNARD J. O'BRIEN (P.A.C.) is a healthcare provider. based in Alpena, Michigan. specializing in PHYSICIAN ASSISTANT. They hold the professional credentials P.A.C.. They hold a License No. 5601001564 (MI). The NPI Number for BERNARD J. O'BRIEN (P.A.C.) is 1871523977

Main info

Male
42 Years Of Experience
Accepts Medicare Assignment
Name
BERNARD J. O'BRIEN (P.A.C.)
NPI
1871523977
Phone
Not provided
Address
1035 W WASHINGTON AVE
Enumeration Date
4 July 2006
Last Update Date
25 January 2021

Doctor Profile

Medical School Name
OTHER
Secondary Phone
9893583500
Graduation Year
1984 (42 years ago)
PAC ID
7416965231
Group Practice PAC ID
5991691958
Professional Enrollment ID
I20060405000043
Address ID
MI497074105AL3500XAVEX401

Contacts

Secure Messaging
bernard.obrien.p1@direct.alcona.nextgenshare.com
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience62
Completeness85
Years active:19State licenses:1Other namesUpdated within 12 months

6,069 PHYSICIAN ASSISTANT in MI

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Provider Addresses for BERNARD J. O'BRIEN (P.A.C.)

  • 1035 W WASHINGTON AVE

    ALPENA, MI 497072929

    Phone:

    Type: Mailing

  • State Highway 65, Ossineke Township, Alpena County, Michigan, 49753, United States

    OSSINEKE, MI 497669582

    Phone: (989) 471-2156

    Fax: (989) 471-5257

    Type: Location

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 $38.

Total Amount is formed as General ($38) + Research ($0) + Ownership ($0) = $38.

Last reported payment date: 2023-12-12 • Largest payer in this snapshot: Exact Sciences Corporation ($25).

Total Amount

$38

General + Research + Ownership

Payments

2

Total payment records

General Amount

$38

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-12-12

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: 2006-04-05

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
I20060405000043IPhysician AssistantMITBD

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 49707)

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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: 5991691958View full group profile

Reviews

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Frequently asked questions

What number should I use to identify BERNARD J. O'BRIEN (P.A.C.) for billing?
Administrative and clinical systems typically use NPI 1871523977 for BERNARD J. O'BRIEN (P.A.C.).
Quick check: is BERNARD J. O'BRIEN (P.A.C.) active?
Public NPPES data shows BERNARD J. O'BRIEN (P.A.C.) with an active NPI status right now.
What does the directory say BERNARD J. O'BRIEN (P.A.C.) does?
Insurance directories may phrase it differently, but here BERNARD J. O'BRIEN (P.A.C.) maps to Physician Assistant. Clinical services aligned with this taxonomy classification.
What geographic area is tied to BERNARD J. O'BRIEN (P.A.C.)?
BERNARD J. O'BRIEN (P.A.C.) is associated with Alpena, Michigan in the same public data insurers reference.
What is the difference between NPI and a medical license?
An NPI is a federal identifier; a medical license is issued by a state and governs where someone may practice.

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