THOMAS P. O'BRIEN M.D.
NPI 1467807842
Family Medicine in Bozeman, MT

Q: What is Thomas O'brien's NPI number?

The NPI number for Thomas O'brien is 1467807842. It was assigned to this individual provider in the NPPES registry on May 4, 2016.

Q: What is Thomas O'brien's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Thomas O'brien was last updated on November 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 04, 2016PECOS EnrolledAccepts Medicare Assignment

3905 WELLNESS WAY, BOZEMAN, MT 59718(406) 898-1300(406) 898-1309 Get Directions Write a Review

NPPES record last updated: November 20, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 20, 2025, Jan 18, 2021, May 21, 2020 and 1 more (4 updates tracked since 2016).

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About Thomas P. O'brien M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

THOMAS P. O'BRIEN M.D. (NPI 1467807842) is an individual family medicine provider in Bozeman, Montana, licensed in Montana (90743) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS, is affiliated with Billings Clinic, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1467807842

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameTHOMAS P. O'BRIENCredential: M.D.

Location Address3905 WELLNESS WAYBozeman, MT 59718-2402

Mailing Address3905 Wellness WayBozeman, MT 59718-2402 · (406) 898-1300 · Fax (406) 898-1309

Phone(406) 898-1300

Fax(406) 898-1309

Sole ProprietorNo

Medical School CMSOtherGraduated 2016

Enumeration DateMay 4, 2016

Last NPPES UpdateNovember 20, 20254 updates tracked since enumeration

NPPES CertifiedNovember 20, 2025

✔ NPI 1467807842 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in MT · 90743

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

3905 WELLNESS WAY, Bozeman, MT 59718

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Thomas P. O'brien M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3678866951

PECOS Enrollment IDI20201030001338

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Billings Clinic

Acute Care Hospitals · Billings, MT

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number270004

Location2800 10th Ave NBillings, MT 59101 · Yellowstone County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59718 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$87.97 typical visit price

range $56.81 – $172.26

Typical copayment $21.99 (range $14.20 – $43.06)

Most-billed visit code 99203

Established Patient

$100.16 typical visit price

range $18.24 – $140.32

Typical copayment $25.04 (range $4.56 – $35.08)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. MARIA RITA BALLESTEROS BONO RN, RD, CDCES, MS

Registered Nurse (Diabetes Educator)