1. Home
  2. Directory
  3. Montana
  4. Missoula
  5. Family Medicine
  6. NPI Profile

MARIEL KAREEN BRYDEN MD
NPI 1144582453
Family Medicine in Missoula, MT

Active since June 12, 2012PECOS EnrolledAccepts Medicare Assignment
401 RAILROAD ST. W, MISSOULA, MT 59802(406) 258-4732(719) 557-5097 Get Directions Write a Review

NPPES record last updated: September 29, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mariel Kareen Bryden Md NPPES

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

MARIEL KAREEN BRYDEN MD (NPI 1144582453) is an individual family medicine provider in Missoula, Montana, licensed in Montana (142027) and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS, is affiliated with St. Patrick Hospital, and is a graduate of University Of Iowa, Rj & L Carver College Of Medicine (2012).

NPPES Registry Identity

NPI1144582453
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameMARIEL KAREEN BRYDENCredential: MD
Location Address401 RAILROAD ST. WMissoula, MT 59802
Mailing Address401 Railroad St. WMissoula, MT 59802 · (719) 557-5855 · Fax (719) 557-5097
Phone(406) 258-4732
Fax(719) 557-5097
Sole ProprietorYes
Medical School CMSUniversity Of Iowa, Rj & L Carver College Of MedicineGraduated 2012
Enumeration DateJune 12, 2012
Last NPPES UpdateSeptember 29, 2025
NPPES CertifiedSeptember 29, 2025
✔ NPI 1144582453 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in MT · 142027✔ Licensed in CO · DR.0057149✔ Licensed in TX · P8342
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
401 RAILROAD ST. W, Missoula, MT 59802
Open in Google Maps ↗

Accepted Insurance

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

Mariel Kareen Bryden 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 ID6002103405
PECOS Enrollment IDI20241007002485, I20241022001566
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.

St. Patrick Hospital

Acute Care Hospitals · Missoula, MT
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number270014
Location500 W BroadwayMissoula, MT 59806 · Missoula County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59802 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.

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 Mariel Bryden's NPI number?

The NPI number for Mariel Bryden is 1144582453. It was assigned to this individual provider in the NPPES registry on June 12, 2012.

Where is Mariel Bryden located?

Mariel Bryden practices at 401 Railroad St. W, Missoula, MT 59802. The listed phone number is (406) 258-4732.

What is Mariel Bryden's specialty?

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

Is Mariel Bryden enrolled in Medicare?

Yes. Mariel Bryden 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.

What insurance does Mariel Bryden accept?

Health plans from Blue Cross and Blue Shield of Montana, Molina Healthcare, Mountain Health CO-OP and Providence Health Plan list Mariel Bryden 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 Mariel Bryden affiliated with any hospitals?

According to CMS data, Mariel Bryden is affiliated with St. Patrick Hospital.

When was this NPI record last updated?

The NPPES record for Mariel Bryden was last updated on September 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.