DR. JAMES BARRY OSER M.D.
NPI 1629121082
Family Medicine in Deer Lodge, MT

Q: What is James Oser's NPI number?

The NPI number for James Oser is 1629121082. It was assigned to this individual provider in the NPPES registry on January 19, 2007.

Q: What is James Oser'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 James Oser was last updated on September 21, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years 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 January 19, 2007PECOS EnrolledAccepts Medicare Assignment

1101 TEXAS AVE, DEER LODGE, MT 59722(406) 846-1722(406) 846-3074 Get Directions Write a Review

NPPES record last updated: September 21, 2009. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. James Barry Oser M.d. NPPES

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

DR. JAMES BARRY OSER M.D. (NPI 1629121082) is an individual family medicine provider in Deer Lodge, Montana, licensed in Montana (8286) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with St James Healthcare, and is a graduate of University Of Toledo College Of Medicine (1989).

NPPES Registry Identity

NPI1629121082

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameDR. JAMES BARRY OSERCredential: M.D.

Location Address1101 TEXAS AVEDeer Lodge, MT 59722-1828

Mailing Address1101 Texas AveDeer Lodge, MT 59722-1828 · (406) 846-1722 · Fax (406) 846-3074

Phone(406) 846-1722

Fax(406) 846-3074

Sole ProprietorNo

Medical School CMSUniversity Of Toledo College Of MedicineGraduated 1989

Enumeration DateJanuary 19, 2007

Last NPPES UpdateSeptember 21, 2009

✔ NPI 1629121082 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 · 8286

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.

1101 TEXAS AVE, Deer Lodge, MT 59722

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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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. James Barry Oser 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 ID2062305543

PECOS Enrollment IDI20081201000007

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.

Medicare Billing Reassignments

Medicare enrollment records show James Oser reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

St. James Healthcare

28 mi

Clinic/Center

400 S CLARK ST
Butte, MT 59701

Reassigned Medicare billing, Montana enrollment
7 clinicians in this Medicare group

NPI 1356687198 (406) 723-2500

Scl Health Medical Group-Butte LLC

28 mi

Family Medicine

400 S CLARK ST
Butte, MT 59701

Reassigned Medicare billing, Montana enrollment
278 clinicians in this Medicare group

NPI 1477869600 (406) 723-2500

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

163 services152 patients

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

141 services134 patients

Emergency department visit with low level of medical decision making 99283

An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.

66 services64 patients

Hospital Affiliations CMS Care Compare

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

St James Healthcare

Acute Care Hospitals · Butte, MT

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number270017

Location400 S Clark StButte, MT 59701 · Silver Bow County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59722 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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

3 suppliers42 claims44 services$21.30 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

3 suppliers42 claims44 services$116.87 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 5

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

MS. BARB H BAILEY PA-C

Physician Assistant