DOUGLAS A O'BRIEN (M.D.) – Otolaryngology Physician, NPI 1245298629

DOUGLAS A O'BRIEN (M.D.) is a healthcare provider. based in Brockton, Massachusetts. specializing in OTOLARYNGOLOGY. They hold the professional credentials M.D.. They hold a License No. 209221 (MA). The NPI Number for DOUGLAS A O'BRIEN (M.D.) is 1245298629

Main info

Male
30 Years Of Experience
Accepts Medicare Assignment
Name
DOUGLAS A O'BRIEN (M.D.)
NPI
1245298629
Phone
(508) 588-8034
Address
35 PEARL ST STE 100
Enumeration Date
3 May 2006
Last Update Date
17 April 2018

Doctor Profile

Medical School Name
PERELMAN SCHOOL OF MED AT THE UNIVERSITY OF PENNSYLVANIA
Secondary Phone
5087570330
Graduation Year
1996 (30 years ago)
PAC ID
2062598857
Group Practice PAC ID
6507839438
Professional Enrollment ID
I20110606000474
Address ID
MA016081209WO100XXBLVD406
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

392 OTOLARYNGOLOGY in MA

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Provider Addresses for DOUGLAS A O'BRIEN (M.D.)

  • 100, Pearl Street, Brockton Heights, Brockton, Plymouth County, Massachusetts, 03201, United States

    BROCKTON, MA 023011195

    Phone: (508) 588-8034

    Fax: (508) 588-5969

    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 1 Open Payments records for all available years, with a total value of $22.

Total Amount is formed as General ($22) + Research ($0) + Ownership ($0) = $22.

Last reported payment date: 2024-05-23 • Largest payer in this snapshot: Optinose US, Inc. ($22).

Total Amount

$22

General + Research + Ownership

Payments

1

Total payment records

General Amount

$22

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-05-23

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
Optinose US, Inc.$22
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: 2011-06-06

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
I20110606000474IOtolaryngologyMATBD

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.

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

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99213Established patient office or other outpatient visit, 20-29 minutes129102$0
99203New patient office or other outpatient visit, 30-44 minutes108108$0
31231Diagnostic exam of nasal passages using an endoscope6150$0
69210Removal of impacted ear wax4540$0
31575Diagnostic exam of voice box using a flexible endoscope3329$0
View full utilization report →

Insurance plans in this area (ZIP 02301)

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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: 6507839438View full group profile
NameSpecialtyState
-MA
-MA
-MA
O T O L A R Y N G O L O G YNH
Qualified AudiologistMA
O T O L A R Y N G O L O G YMA
Physician AssistantMA
Physician AssistantMA
O T O L A R Y N G O L O G YMA
Qualified AudiologistSC

Reviews

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Frequently asked questions

What federal number belongs to DOUGLAS A O'BRIEN (M.D.)?
The federal identifier for DOUGLAS A O'BRIEN (M.D.) is NPI 1245298629.
Is DOUGLAS A O'BRIEN (M.D.) currently active in the NPI registry?
CMS-published data lists DOUGLAS A O'BRIEN (M.D.) as an active registrant.
Can you summarize DOUGLAS A O'BRIEN (M.D.)'s specialty in plain language?
Clinically, the directory lists DOUGLAS A O'BRIEN (M.D.) with Otolaryngology Physician. Clinical services aligned with this taxonomy classification.
What location shows for DOUGLAS A O'BRIEN (M.D.)?
We surface Brockton, Massachusetts for DOUGLAS A O'BRIEN (M.D.) based on available NPPES addresses.
What if Brockton, Massachusetts seems incomplete?
Street-level detail can be omitted — open the full address list for this NPI.

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