Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

BRANDON S ALLEN MD
NPI 1215499421
Family Medicine in Ennis, MT

Q: What is Brandon Allen's NPI number?

The NPI number for Brandon Allen is 1215499421. It was assigned to this individual provider in the NPPES registry on April 5, 2019.

Q: What is Brandon Allen'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 Brandon Allen was last updated on October 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days 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 April 05, 2019PECOS Enrolled

305 N MAIN ST, ENNIS, MT 59729(406) 682-4223(406) 682-4756 Get Directions Write a Review

NPPES record last updated: October 29, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 29, 2026, Aug 6, 2025, Mar 8, 2023 and 1 more (4 updates tracked since 2019).

On this page

About Brandon S Allen Md NPPES

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

BRANDON S ALLEN MD (NPI 1215499421) is an individual family medicine provider in Ennis, Montana, licensed in Montana (MED-PHYS-LIC-115252) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with Madison Valley Medical Center, and is a graduate of University Of Texas Medical School At San Antonio (2019).

NPPES Registry Identity

NPI1215499421

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameBRANDON S ALLENCredential: MD

Location Address305 N MAIN STEnnis, MT 59729-8001

Mailing Address305 N Main StEnnis, MT 59729-8001 · (406) 682-6682 · Fax (406) 682-4756

Phone(406) 682-4223

Fax(406) 682-4756

Sole ProprietorNo

Medical School CMSUniversity Of Texas Medical School At San AntonioGraduated 2019

Enumeration DateApril 5, 2019

Last NPPES UpdateOctober 29, 20264 updates tracked since enumeration

NPPES CertifiedOctober 29, 2026

✔ NPI 1215499421 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 · MED-PHYS-LIC-115252

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.

305 N MAIN ST, Ennis, MT 59729

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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

Brandon S Allen Md 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 ID4082090402

PECOS Enrollment IDI20221007000647

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 Brandon Allen reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Madison Valley Hospital Inc

Same address

Critical Access

305 N MAIN ST
Ennis, MT 59729

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

NPI 1740223882 (406) 682-6862

Bozeman Health Big Sky Medical Center, LLC

22 mi

Family Medicine

334 TOWN CENTER AVENUE
Big Sky, MT 59716

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

NPI 1740659952 (406) 995-6995

Bozeman Health Urgent Care

40 mi

Urgent Care

1006 W MAIN ST
Bozeman, MT 59715

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

NPI 1740693761 (406) 414-4800

Livingston Healthcare

54 mi

Rehabilitation

806 SCOTT ST
Gardiner, MT 59030

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

NPI 1225670375 (406) 222-3541

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 2

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

18 services14 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

15 services14 patients

Hospital Affiliations CMS Care Compare

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

Madison Valley Medical Center

Critical Access Hospitals · Ennis, MT

OwnershipVoluntary non-profit - Private

CMS Certification Number271329

Location305 N MainEnnis, MT 59729 · Madison County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59729 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 16

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

BRYANNA CORDEIRO MD

Family Medicine

305 N MAIN ST
ENNIS, MT 59729

Madison County (406) 682-4223

MADISON VALLEY HOSPITAL INC

Pharmacy (Community/Retail Pharmacy)

305 N MAIN ST
ENNIS, MT 59729

Madison County (406) 682-6862

KRYSTIN DANIELLE NUTT NP-C

Nurse Practitioner (Family)

305 N MAIN ST
ENNIS, MT 59729

Madison County (406) 682-6862

MRS. KRISTIN MAURER F.N.P

Nurse Practitioner (Family)

305 N MAIN ST
ENNIS, MT 59729

Madison County (406) 682-4223

MARTHA MCDANIEL STONER PT, DPT

Physical Therapist

305 N MAIN ST
ENNIS, MT 59729

Madison County (406) 682-6605

MARTIN G DEGROOT PA-C

Physician Assistant

305 N MAIN ST
ENNIS, MT 59729

Madison County (406) 682-6862

MR. DANIEL THOMAS OFFERDAHL

Nurse Anesthetist, Certified Registered

305 N MAIN ST
ENNIS, MT 59729

Madison County (406) 682-4223

QUINTA TAKEH RN

Psychologist (Forensic)

305 N MAIN ST
ENNIS, MT 59729

Madison County (305) 494-4329

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Brandon Allen's NPI number?

The NPI number for Brandon Allen is 1215499421. It was assigned to this individual provider in the NPPES registry on April 5, 2019.

Where is Brandon Allen located?

Brandon Allen practices at 305 N Main St, Ennis, MT 59729. The listed phone number is (406) 682-4223.

What is Brandon Allen's specialty?

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

Is Brandon Allen enrolled in Medicare?

Yes. Brandon Allen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Brandon Allen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Brandon Allen reassigns Medicare benefits to 4 organizations: Madison Valley Hospital Inc (Ennis, MT), Bozeman Health Big Sky Medical Center, LLC (Big Sky, MT), Bozeman Health Urgent Care (Bozeman, MT) and Livingston Healthcare (Gardiner, MT). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Brandon Allen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Brandon Allen accept?

Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and Providence Health Plan list Brandon Allen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Brandon Allen affiliated with any hospitals?

According to CMS data, Brandon Allen is affiliated with Madison Valley Medical Center.

When was this NPI record last updated?

The NPPES record for Brandon Allen was last updated on October 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days 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.