MR. AUSTIN JOHN O'BRIEN (MD) – Family Medicine Physician, NPI 1104808138

MR. AUSTIN JOHN O'BRIEN (MD) is a healthcare provider. based in Lowell, Massachusetts. specializing in Family Medicine Physician. They hold the professional credentials MD. They hold a License No. 76888 (MA). The NPI Number for MR. AUSTIN JOHN O'BRIEN (MD) is 1104808138

Main info

Male
Sole Proprietor
43 Years Of Experience
Accepts Medicare Assignment
Name
MR. AUSTIN JOHN O'BRIEN (MD)
NPI
1104808138
Phone
(978) 459-8447
Address
595 PAWTUCKET BLVD
Enumeration Date
16 November 2005
Last Update Date
17 December 2019

Doctor Profile

Medical School Name
OTHER
Secondary Phone
9784598447978459
Graduation Year
1983 (43 years ago)
PAC ID
1355384694
Group Practice PAC ID
7719291434
Professional Enrollment ID
I20050607000901
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for MR. AUSTIN JOHN O'BRIEN (MD)

  • 595, Pawtucket Boulevard, Middlesex Village, Lowell, Middlesex County, Massachusetts, 01854, United States

    2ND FLOOR

    LOWELL, MA 018542042

    Phone: (978) 459-8447

    Fax: (978) 459-6125

    Type: Mailing

  • Pawtucket Boulevard, Middlesex Village, Lowell, Middlesex County, Massachusetts, 01854, United States

    2ND FLOOR

    LOWELL, MA 01852

    Phone: (978) 459-8447

    Fax: (978) 459-6125

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

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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.

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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 01854)

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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: 7719291434View full group profile
NameSpecialtyState
Family PracticeMA
Nurse PractitionerMA
Nurse PractitionerMA
Family PracticeMA
Internal MedicineNH
Nurse PractitionerMA
Family PracticeMA
Family PracticeMA
Physician AssistantMA
Nurse PractitionerMA

Reviews

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Frequently asked questions

What is MR. AUSTIN JOHN O'BRIEN (MD)'s NPI number?
MR. AUSTIN JOHN O'BRIEN (MD)'s NPI is 1104808138 — the number used across U.S. healthcare to identify this provider.
Is MR. AUSTIN JOHN O'BRIEN (MD) still an active registrant?
MR. AUSTIN JOHN O'BRIEN (MD) carries an active NPI according to the public dataset.
What area of care is associated with MR. AUSTIN JOHN O'BRIEN (MD)?
MR. AUSTIN JOHN O'BRIEN (MD)'s record emphasizes Family Medicine Physician. Clinical services aligned with this taxonomy classification.
Is MR. AUSTIN JOHN O'BRIEN (MD) associated with Lowell?
Public fields place MR. AUSTIN JOHN O'BRIEN (MD) around Lowell, Massachusetts. Always confirm the exact site before visiting.
When was this NPI issued?
Enumeration for MR. AUSTIN JOHN O'BRIEN (MD) is noted as November 16, 2005 where the registry provides it.

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