DR. TIMOTHY J O'BRIEN (MD) – Specialist, NPI 1770506453

DR. TIMOTHY J O'BRIEN (MD) is a healthcare provider. based in Ellensburg, Washington. specializing in Specialist. They hold the professional credentials MD. They hold a License No. MD00021680 (WA). The NPI Number for DR. TIMOTHY J O'BRIEN (MD) is 1770506453

Main info

Male
64 Years Of Experience
Accepts Medicare Assignment
Name
DR. TIMOTHY J O'BRIEN (MD)
NPI
1770506453
Phone
Not provided
Address
2771 PARKE CREEK RD
Enumeration Date
25 July 2006
Last Update Date
10 May 2010

Doctor Profile

Medical School Name
UNIVERSITY OF MINNESOTA MEDICAL SCHOOL
Secondary Phone
5099338700
Graduation Year
1962 (64 years ago)
PAC ID
3971648924
Group Practice PAC ID
0547179608
Professional Enrollment ID
I20100302000910
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience57
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for DR. TIMOTHY J O'BRIEN (MD)

  • 2771 PARKE CREEK RD

    ELLENSBURG, WA 989267664

    Phone:

    Type: Mailing

  • Kittitas Valley Healthcare Women's Health, 700, East Manitoba Avenue, Ellensburg, Kittitas County, Washington, 98926, United States

    SUITE 109

    ELLENSBURG, WA 989263885

    Phone: (509) 925-6947

    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 98926)

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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: 0547179608View full group profile
NameSpecialtyState
Nurse PractitionerWA
Emergency MedicineWA
General SurgeryWA
Cardiac Electrophysiology, Internal MedicineMN
O T O L A R Y N G O L O G YWA
Family PracticeWA
Physician AssistantWA
Physician AssistantID
-WA
O B S T E T R I C S/ G Y N E C O L O G YWA

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Frequently asked questions

What is the 10-digit NPI for DR. TIMOTHY J O'BRIEN (MD)?
DR. TIMOTHY J O'BRIEN (MD) — NPI 1770506453 — is the standard way to identify this listing.
Is DR. TIMOTHY J O'BRIEN (MD) still practicing?
DR. TIMOTHY J O'BRIEN (MD) is currently listed as active in the public NPI registry.
What is DR. TIMOTHY J O'BRIEN (MD)'s specialty?
The listing groups DR. TIMOTHY J O'BRIEN (MD) with Other Service Providers. Clinical services aligned with this taxonomy classification.
What address line appears for DR. TIMOTHY J O'BRIEN (MD)?
DR. TIMOTHY J O'BRIEN (MD)'s geographic hint is Ellensburg, Washington in our summary view.
Is specialty guaranteed by NPI alone?
Taxonomy selections describe intent; scope of practice still follows state law.

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