RAGNVALDR BUCK BJORNSSON MD
NPI 1851379119
Emergency Medicine in Rock Springs, WY

Active since January 06, 2006PECOS EnrolledAccepts Medicare Assignment
1200 COLLEGE DR, ROCK SPRINGS, WY 82901(307) 362-3711(307) 352-8178 Get Directions Write a Review

NPPES record last updated: January 23, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jan 23, 2026, Mar 21, 2025 (2 updates tracked since 2025).

About Ragnvaldr Buck Bjornsson Md NPPES

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

RAGNVALDR BUCK BJORNSSON MD (NPI 1851379119) is an individual emergency medicine provider in Rock Springs, Wyoming, licensed in Wyoming (6690A) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Memorial Hospital Of Carbon County, and is a graduate of Stanford University School Of Medicine (1998).

NPPES Registry Identity

NPI1851379119
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameRAGNVALDR BUCK BJORNSSONCredential: MD
Location Address1200 COLLEGE DRRock Springs, WY 82901-5868
Mailing Address505 S 336th St, Suite 600Federal Way, WA 98003-6328 · (253) 838-6180 · Fax (253) 838-6418
Fax(307) 352-8178
Sole ProprietorYes
Medical School CMSStanford University School Of MedicineGraduated 1998
Enumeration DateJanuary 6, 2006
Last NPPES UpdateJanuary 23, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 23, 2026
NPI 1851379119 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses Licensed in WY · 6690A Licensed in ID · M8716
Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

1200 COLLEGE DR, Rock Springs, WY 82901

Other Names 1

Former Name (1)Stephen Wallace

Other Identifiers 4

Other58024ID · Blue Cross Of Id
Medicaid806470900ID
Other605960009WY · Fbl
Other314686WY · Bswy

Accepted 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

Ragnvaldr Buck Bjornsson 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 ID7810895877
PECOS Enrollment IDI20050330000894
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.

Memorial Hospital Of Carbon County

Critical Access Hospitals · Rawlins, WY
OwnershipGovernment - Local
CMS Certification Number531316
Location2221 West Elm StreetRawlins, WY 82301 · Carbon County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 82901 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
$87.12 typical visit price
range $56.42 – $170.72
Typical copayment $21.78 (range $14.10 – $42.68)
Most-billed visit code 99203
Established Patient
$99.46 typical visit price
range $18.19 – $139.32
Typical copayment $24.86 (range $4.54 – $34.83)
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 20

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

Emergency Medicine
1200 COLLEGE DR
ROCK SPRINGS, WY 82901
Emergency Medicine
1200 COLLEGE DR
ROCK SPRINGS, WY 82901
Emergency Medicine
1200 COLLEGE DR
ROCK SPRINGS, WY 82901
Emergency Medicine
1200 COLLEGE DR
ROCK SPRINGS, WY 82901
Anesthesiology
1200 COLLEGE DR
ROCK SPRINGS, WY 82901
Emergency Medicine
1200 COLLEGE DR
ROCK SPRINGS, WY 82901
Pharmacist
1200 COLLEGE DR
ROCK SPRINGS, WY 82901
Pharmacist
1200 COLLEGE DR
ROCK SPRINGS, WY 82901

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 Ragnvaldr Bjornsson's NPI number?

The NPI number for Ragnvaldr Bjornsson is 1851379119. It was assigned to this individual provider in the NPPES registry on January 6, 2006.

Where is Ragnvaldr Bjornsson located?

Ragnvaldr Bjornsson practices at 1200 College Dr, Rock Springs, WY 82901. The listed phone number is (307) 362-3711.

What is Ragnvaldr Bjornsson's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Ragnvaldr Bjornsson enrolled in Medicare?

Yes. Ragnvaldr Bjornsson 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 Ragnvaldr Bjornsson accept?

Health plans from Blue Cross Blue Shield of Wyoming list Ragnvaldr Bjornsson 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 Ragnvaldr Bjornsson affiliated with any hospitals?

According to CMS data, Ragnvaldr Bjornsson is affiliated with Memorial Hospital Of Carbon County.

When was this NPI record last updated?

The NPPES record for Ragnvaldr Bjornsson was last updated on January 23, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.