JARETT THELEN
NPI 1700204195
Radiology - Diagnostic Radiology in Billings, MT

Active since April 02, 2014PECOS EnrolledAccepts Medicare Assignment
801 N 29TH ST, BILLINGS, MT 59101(406) 238-2500 Get Directions Write a Review

NPPES record last updated: February 11, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 11, 2022, May 18, 2021 (2 updates tracked since 2021).

About Jarett Thelen NPPES

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

JARETT THELEN (NPI 1700204195) is an individual diagnostic radiology provider in Billings, Montana, licensed in Maryland (D91471) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with Billings Clinic, and is a graduate of University Of Rochester School Of Medicine And Dentistry (2014).

NPPES Registry Identity

NPI1700204195
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameJARETT THELEN
Location Address801 N 29TH STBillings, MT 59101-0905
Mailing AddressPo Box 35100Billings, MT 59107-5100
Sole ProprietorNo
Medical School CMSUniversity Of Rochester School Of Medicine And DentistryGraduated 2014
Enumeration DateApril 2, 2014
Last NPPES UpdateFebruary 11, 20222 updates tracked since enumeration
NPPES CertifiedFebruary 11, 2022
✔ NPI 1700204195 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in MD · D91471
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
801 N 29TH ST, Billings, MT 59101

Accepted 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

Jarett Thelen 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 ID6901150911
PECOS Enrollment IDI20220818000601, I20220818002440
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

9

Medicare enrollment records show Jarett Thelen reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Same address
General Practice
801 N 29TH ST
Billings, MT 59101
  • Reassigned Medicare billing, Montana and Wyoming enrollments
  • Also billed through NPI 1346288347 (Wyoming)
  • 1,264 clinicians in this Medicare group
Critical Access
710 N 11TH STREET
Columbus, MT 59019
  • Reassigned Medicare billing, Montana enrollment
  • 86 clinicians in this Medicare group
Critical Access
1203 THIRD ST W
Roundup, MT 59072
  • Reassigned Medicare billing, Montana enrollment
  • 39 clinicians in this Medicare group
Critical Access
2525 NORTH BROADWAY
Red Lodge, MT 59068
  • Reassigned Medicare billing, Montana enrollment
  • Also billed through NPI 1184785099 (Montana)
  • 61 clinicians in this Medicare group
Critical Access
1115 LANE 12
Lovell, WY 82431
  • Reassigned Medicare billing, Wyoming enrollment
  • Also billed through NPI 1750485793 (Wyoming)
  • 50 clinicians in this Medicare group
Rural Health
383 NORTH 17TH AVE
Forsyth, MT 59327
  • Reassigned Medicare billing, Montana enrollment
  • Also billed through NPI 1194827451 (Montana)
  • 5 clinicians in this Medicare group
Nurse Anesthetist, Certified Registered
408 WENDELL AVE
Lewistown, MT 59457
  • Reassigned Medicare billing, Montana enrollment
  • 83 clinicians in this Medicare group
Family Medicine
110 N OAK ST
Townsend, MT 59644
  • Reassigned Medicare billing, Montana enrollment
  • Also billed through NPI 1447245857 (Montana)
  • 65 clinicians in this Medicare group
Rural
7329 SENECA ROAD NORTH
Hornell, NY 14843
  • Reassigned Medicare billing, New York enrollment
  • 436 clinicians in this Medicare group

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 29

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.

Ct scan head or brain without contrast 70450
A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.
499 services426 patients
Mri scan of brain before and after contrast 70553
An MRI scan of the brain, both before and after contrast, helps visualize different brain structures. Initially, images are taken without a contrast agent. Then, a safe dye is injected which helps highlight certain areas, providing clearer, more detailed images.
319 services286 patients
Mri scan of lower spinal canal without contrast 72148
An MRI scan of the lower spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to produce detailed images of your lower spine. This helps identify issues like disc problems, tumors, or nerve conditions. No dye is used.
180 services180 patients
Mri scan of brain without contrast 70551
An MRI scan of the brain without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your brain. It helps in detecting abnormalities like tumors, stroke, inflammation, or infection.
178 services177 patients
Ct scan of blood vessels of head with contrast 70496
A CT scan of the head's blood vessels with contrast is a diagnostic procedure. A special dye (contrast) is injected into your body to make the blood vessels visible on the scan. This helps identify issues like blockages or abnormalities in your head's blood vessels.
161 services155 patients
Ct scan of blood vessels of neck with contrast 70498
A CT scan of the neck's blood vessels with contrast is a diagnostic procedure. It uses X-rays and a special dye to create detailed images of your neck's blood vessels. This helps doctors detect issues such as blockages or abnormalities.
147 services142 patients

Hospital Affiliations CMS Care Compare 5

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

Billings Clinic

Acute Care Hospitals · Billings, MT
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number270004
Location2800 10th Ave NBillings, MT 59101 · Yellowstone County
Emergency services Birthing friendly

St Vincent Healthcare

Acute Care Hospitals · Billings, MT
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number270049
Location1233 N 30th StBillings, MT 59101 · Yellowstone County
Emergency services Birthing friendly

Livingston Healthcare

Critical Access Hospitals · Livingston, MT
3/5 CMS rating
OwnershipPhysician
CMS Certification Number271317
Location320 Alpenglow LaneLivingston, MT 59047 · Park County
Emergency services

Powell Valley Hospital

Critical Access Hospitals · Powell, WY
OwnershipGovernment - Hospital District or Authority
CMS Certification Number531310
Location777 Avenue HPowell, WY 82435 · Park County
Emergency services

Cody Regional Health

Critical Access Hospitals · Cody, WY
OwnershipGovernment - Hospital District or Authority
CMS Certification Number531312
Location707 Sheridan AvenueCody, WY 82414 · Park County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59101 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
$70.82 typical visit price
range $18.24 – $140.32
Typical copayment $17.70 (range $4.56 – $35.08)
Most-billed visit code 99213
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.

Physical Therapist
801 N 29TH ST
BILLINGS, MT 59101
Physician Assistant (Surgical)
801 N 29TH ST
BILLINGS, MT 59101
Obstetrics & Gynecology (Gynecologic Oncology)
801 N 29TH ST
BILLINGS, MT 59101
Physician Assistant
801 N 29TH ST
BILLINGS, MT 59101
Occupational Therapist
801 N 29TH ST
BILLINGS, MT 59101
Ophthalmology
801 N 29TH ST
BILLINGS, MT 59101
Physician Assistant (Surgical)
801 N 29TH ST
BILLINGS, MT 59101
Family Medicine
801 N 29TH ST
BILLINGS, MT 59101

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 Jarett Thelen's NPI number?

The NPI number for Jarett Thelen is 1700204195. It was assigned to this individual provider in the NPPES registry on April 2, 2014.

Where is Jarett Thelen located?

Jarett Thelen practices at 801 N 29th St, Billings, MT 59101. The listed phone number is (406) 238-2500.

What is Jarett Thelen's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Jarett Thelen enrolled in Medicare?

Yes. Jarett Thelen 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 Jarett Thelen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jarett Thelen reassigns Medicare benefits to 9 organizations: Billings Clinic (Billings, MT), Stillwater Hospital Association, Inc. (Columbus, MT), Roundup Memorial Hospital Association (Roundup, MT), Memorial Hospital Association (Red Lodge, MT), North Big Horn Hospital District (Lovell, WY) and 4 more organizations, listed in the Medicare section above. 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 Jarett Thelen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jarett Thelen accept?

Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Montana and Mountain Health CO-OP list Jarett Thelen 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 Jarett Thelen affiliated with any hospitals?

According to CMS data, Jarett Thelen is affiliated with Billings Clinic, St Vincent Healthcare, Livingston Healthcare, Powell Valley Hospital and Cody Regional Health.

When was this NPI record last updated?

The NPPES record for Jarett Thelen was last updated on February 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.