DR. STEPHEN E HALVORSON (MD) – Family Medicine Physician, NPI 1215045802

DR. STEPHEN E HALVORSON (MD) is a healthcare provider. based in Butte, Montana. specializing in Family Medicine Physician. They hold the professional credentials MD. They hold a License No. 10892 (MT). The NPI Number for DR. STEPHEN E HALVORSON (MD) is 1215045802

Main info

Male
24 Years Of Experience
Accepts Medicare Assignment
Name
DR. STEPHEN E HALVORSON (MD)
NPI
1215045802
Phone
(406) 723-2500
Address
400 S CLARK ST
Enumeration Date
25 August 2006
Last Update Date
20 April 2009

Doctor Profile

Medical School Name
UNIVERSITY OF NEW MEXICO SCHOOL OF MEDICINE
Secondary Phone
4062332500
Graduation Year
2002 (24 years ago)
PAC ID
7517961576
Group Practice PAC ID
8921045667
Professional Enrollment ID
I20060905000388
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for DR. STEPHEN E HALVORSON (MD)

  • Saint James Healthcare, 400, South Clark Street, Butte, Silver Bow County, Montana, 59701, United States

    BUTTE, MT 597012328

    Phone: (406) 723-2500

    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)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

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: 2006-09-05

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
I20060905000388IFamily PracticeMTTBD

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.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 59701)

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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: 8921045667View full group profile
NameSpecialtyState
Certified Registered Nurse Anesthetist (Crna)IN
Certified Registered Nurse Anesthetist (Crna)WA
-WA
Nurse PractitionerMT
Radiation OncologyOH
General SurgeryCT
Emergency MedicineMT
-NC
Family PracticeMT
Emergency Medicine, Family PracticeCO

Reviews

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Frequently asked questions

What unique ID ties claims to DR. STEPHEN E HALVORSON (MD)?
NPI 1215045802 is assigned to DR. STEPHEN E HALVORSON (MD) under the national enumeration system.
Is DR. STEPHEN E HALVORSON (MD) active in the national directory?
DR. STEPHEN E HALVORSON (MD)'s public NPI profile is in an active state.
Can you summarize DR. STEPHEN E HALVORSON (MD)'s specialty in plain language?
Clinically, the directory lists DR. STEPHEN E HALVORSON (MD) with Family Medicine Physician. Clinical services aligned with this taxonomy classification.
Does DR. STEPHEN E HALVORSON (MD) practice in Montana?
You will see Butte, Montana on file for DR. STEPHEN E HALVORSON (MD) alongside any extra practice locations.
Is this NPI for an individual or an organization?
This listing corresponds to an Individual Provider.

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