DR. PEDER E. HORNER M.D.
NPI 1235218942
Radiology - Vascular & Interventional Radiology in Bozeman, MT

NPI Status: Active since November 03, 2006

Contact Information

1648 ELLIS ST STE 201
BOZEMAN, MT
ZIP 59715
Phone: (406) 587-8631

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  • Individual
  • Male
  • Years of Experience 24
  • Radiology
  • Vascular & Interventional Radiology
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled
  • Medicare Quality Reporting

About PEDER HORNER

This page provides the complete NPI Profile along with additional information for Peder Horner, a provider established in Bozeman, Montana with a medical specialization in Radiology, focusing in vascular & interventional radiology and more than 24 years of experience. The healthcare provider is registered in the NPI registry with number 1235218942 assigned on November 2006. The practitioner's primary taxonomy code is 2085R0204X with license number MED-PHYS-LIC-115210 (MT). The provider is registered as an individual and his NPI record was last updated February 2026.

NPI
1235218942
Provider Name
DR. PEDER E. HORNER M.D.
Gender
Male
Entity Type
Individual
Location Address
1648 ELLIS ST STE 201 BOZEMAN, MT 59715
Location Phone
(406) 587-8631
Mailing Address
1648 ELLIS ST STE 201 BOZEMAN, MT 59715
Mailing Phone
(406) 587-8631
Medical School Name
OTHER
Graduation Year
2002
Is Sole Proprietor?
No
Enumeration Date
11-03-2006
Last Update Date
02-04-2026
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Location Map

Secondary Locations

  • 1746 Cole Blvd Suite 150
    Lakewood, CO 80401
    (303) 914-8800

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Radiology Vascular & Interventional Radiology

Taxonomy Code
2085R0204X
Type
Allopathic & Osteopathic Physicians
License No.
MED-PHYS-LIC-115210
License State
MT
Taxonomy Description
A radiologist who diagnoses and treats diseases by various radiologic imaging modalities. These include fluoroscopy, digital radiography, computed tomography, sonography and magnetic resonance imaging.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
12085R0202XAllopathic & Osteopathic Physicians

Radiology
Diagnostic Radiology

MED-PHYS-LIC-115210 (MT)
22085R0202XAllopathic & Osteopathic Physicians

Radiology
Diagnostic Radiology

46570 (CO)
32085R0204XAllopathic & Osteopathic Physicians

Radiology
Vascular & Interventional Radiology

46570 (CO)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Blue Focus Bronze POS? 205 - POS
  • Blue Focus Bronze POS? 705 - POS
  • Blue Focus Bronze POS? Standard - POS
  • Blue Focus Gold POS? 207 - POS
  • Blue Focus Gold POS? 902 - POS
  • Blue Focus Gold POS? Standard - POS
  • Blue Focus Silver POS? 206 - POS
  • Blue Focus Silver POS? 903 - POS
  • Blue Focus Silver POS? Standard - POS
  • Blue Preferred Bronze PPO? 201 - PPO
  • Blue Preferred Bronze PPO? 202 - PPO
  • Blue Preferred Bronze PPO? Standard - PPO
  • Blue Preferred Gold PPO? 204 - PPO
  • Blue Preferred Gold PPO? 901 - PPO
  • Blue Preferred Gold PPO? Standard - PPO
  • Blue Preferred Security PPO? 200 - PPO
  • Blue Preferred Silver PPO? 203 - PPO
  • Blue Preferred Silver PPO? 308 - PPO
  • Blue Preferred Silver PPO? Standard - PPO
  • Blue Advantage Bronze Basic | 3 Free PCP | $25 Tier 1 Rx | Integrated | Nationwide Doctors - PPO
  • Blue Advantage Bronze Complete | $60 PCP | $20 Tier 1 Rx | Nationwide Doctors - PPO
  • Blue Advantage Bronze HSA Eligible | Integrated | Nationwide Doctors - PPO
  • Blue Advantage Bronze Standard | Nationwide Doctors - PPO
  • Blue Advantage Gold Premier A | 3 Free PCP | $10 Tier 1 Rx | Nationwide Doctors - PPO
  • Blue Advantage Gold Standard A | Nationwide Doctors - PPO
  • Blue Advantage Silver Choice A | 3 Free PCP | $15 Tier 1 Rx | Nationwide Doctors - PPO
  • Blue Advantage Silver Preferred | 3 Free PCP | $10 Tier 1 Rx | Integrated | Nationwide Doctors - PPO
  • Blue Advantage Silver Standard | Nationwide Doctors - PPO
  • Blue Care Bronze Basic | 3 Free PCP | $25 Tier 1 Rx | Integrated | Statewide Doctors - HMO
  • Blue Care Bronze Complete | $60 PCP | $20 Tier 1 Rx | Statewide Doctors - HMO
  • Blue Care Bronze HSA Eligible | Integrated | Statewide Doctors - HMO
  • Blue Care Bronze Standard | Statewide Doctors - HMO
  • Blue Care Gold Premier A | 3 Free PCP | $10 Tier 1 Rx | Statewide Doctors - HMO
  • Blue Care Gold Standard A | Statewide Doctors - HMO
  • Blue Care Silver Choice A | 3 Free PCP | $15 Tier 1 Rx | Statewide Doctors - HMO
  • Blue Care Silver Preferred | 3 Free PCP | $10 Tier 1 Rx | Integrated | Statewide Doctors - HMO
  • Blue Care Silver Standard | Statewide Doctors - HMO
  • Blue Local Bronze Basic | 3 Free PCP | $25 Tier 1 Rx | Integrated | with Atrium Health - EPO
  • Blue Local Bronze Complete | $60 PCP | $20 Tier 1 Rx | with Atrium Health - EPO
  • Peak PPO Bronze HDHP - PPO
  • Peak PPO Bronze Standard - PPO
  • Peak PPO Catastrophic - PPO
  • Peak PPO Gold - PPO
  • Peak PPO Gold Standard - PPO
  • Peak PPO Silver - PPO
  • Peak PPO Silver Standard - PPO
  • Plus Bronze - PPO
  • Plus Bronze Standard - PPO
  • Plus Gold - PPO
  • Plus Gold Standard - PPO
  • Plus Silver Standard - PPO
  • Rocky Mountain Bronze Standard - PPO
  • Rocky Mountain Gold Standard - PPO
  • Rocky Mountain Silver Standard - PPO
  • PEAK PPO BRONZE - PPO
  • PEAK PPO BRONZE HDHP - PPO
  • PEAK PPO GOLD - PPO
  • PEAK PPO GOLD HDHP - PPO
  • PEAK PPO SILVER - PPO
  • Bronze Classic 4700 - EPO
  • Bronze Classic 4700 | MercyOne - EPO
  • Bronze Classic Standard - EPO
  • Bronze Classic Standard | MercyOne - EPO
  • Bronze Elite + PCP Saver Plus - EPO
  • Bronze Elite + PCP Saver Plus | MercyOne - EPO
  • Bronze Simple Breathe Easy with Enhanced COPD Benefits | MercyOne - EPO
  • Bronze Simple Chronic Care CKM | MercyOne - EPO
  • Bronze Simple Diabetes | MercyOne - EPO
  • Gold Classic Standard - EPO
  • Gold Classic Standard | MercyOne - EPO
  • Gold Elite - EPO
  • Gold Elite | MercyOne - EPO
  • Secure - EPO
  • Secure | MercyOne - EPO
  • Silver Classic - EPO
  • Silver Classic | MercyOne - EPO
  • Silver Classic Standard - EPO
  • Silver Classic Standard | MercyOne - EPO
  • Silver Simple Breathe Easy with Enhanced COPD Benefits | MercyOne - EPO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Medicare Participation & PECOS Enrollment Status

Peder Horner is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Peder Horner is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 143398263

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20230530002593

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Aspiration of fluid from chest cavity using imaging guidance

This procedure, known as a thoracentesis, involves removing fluid from the space between the lungs and chest wall, called the pleural space. It's performed under imaging guidance to ensure precision. It can help diagnose conditions or relieve symptoms like shortness of breath.

This service was performed 34 times for 22 patients

Biopsy and aspiration of bone marrow sample for diagnosis

A bone marrow biopsy and aspiration is a procedure where a small amount of bone marrow is removed for testing. It involves inserting a needle into a bone, typically the hip, to collect a sample. It can help diagnose various diseases and monitor treatment effectiveness.

This service was performed 14 times for 14 patients

Drainage of fluid from abdominal cavity using imaging guidance

This procedure involves removing excess fluid from your abdominal cavity, which can relieve discomfort. A specialist uses imaging technology to guide a thin needle into the right spot. The fluid is then drained out safely.

This service was performed 54 times for 27 patients

Fine needle aspiration biopsy using ultrasound guidance, first growth

Fine needle aspiration biopsy with ultrasound guidance is a procedure where a thin needle is inserted into a growth to extract a small sample. Ultrasound helps accurately locate the growth. This sample is then analyzed to determine the nature of the growth.

This service was performed 19 times for 19 patients

Fluoroscopic guidance for insertion or removal of central vein access device

Fluoroscopic guidance for central vein access device insertion or removal is a procedure where a special X-ray, called a fluoroscope, is used to help accurately place or remove a device in a central vein. This device aids in delivering medications or collecting blood samples.

This service was performed 30 times for 29 patients

Insertion of central venous tube with port (5 years or older)

A central venous tube with port is a small, flexible tube inserted into a large vein, usually in the chest. It allows for easy administration of medication, fluids, or blood products over a long period. A port is attached under the skin for easy access. It's safe for individuals aged 5 and above.

This service was performed 11 times for 11 patients

Leg revascularization (restoring blood flow)

Leg revascularization is a procedure aimed at restoring proper blood flow to your legs. It's often needed when blood vessels in your legs are blocked or narrowed. The process may involve surgery or less invasive methods to remove or bypass blockages, helping to alleviate pain and prevent serious complications.

This service was performed for 1-10 patients

Limited ultrasound scan of abdomen

A limited ultrasound scan of the abdomen is a non-invasive imaging test. It uses sound waves to produce images of the abdominal organs such as the liver, gallbladder, spleen, pancreas, and kidneys. This helps to identify any abnormalities or issues.

This service was performed 17 times for 17 patients

Review by radiologist of ct guidance for needle placement

This process involves a radiologist examining CT scan images to accurately guide a needle's placement within the body. This technique is often used for biopsies or treatments, ensuring precision and safety.

This service was performed 25 times for 25 patients

Ultrasonic guidance for blood vessel access

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

This service was performed 50 times for 46 patients

Ultrasonic guidance for needle placement

Ultrasonic guidance for needle placement is a technique where sound waves create images that help accurately position the needle during procedures. This method ensures precision, minimizes discomfort, and increases safety.

This service was performed 42 times for 38 patients

Ultrasound study of arm or leg veins with compression and maneuvers

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

This service was performed 12 times for 12 patients

Ultrasound study of one arm or leg veins with compression and maneuvers

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

This service was performed 30 times for 30 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

This service was performed 112 times for 97 patients

Varicose vein removal

Varicose vein removal is a procedure to eliminate enlarged and twisted veins, commonly found in legs. It's performed when these veins cause discomfort or skin problems. The procedure may involve laser treatment, sclerotherapy (injecting a solution to close the veins), or surgery to remove the veins. It's generally safe and helps to alleviate symptoms.

This service was performed for 1-10 patients

X-ray of chest, 1 view

A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.

This service was performed 44 times for 40 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $21.99 for a new patient copayment and $17.7 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 59715 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99203

  • Average New Patient Price $87.97
  • Minimum New Patient Price $56.81
  • Maximum New Patient Price $172.26
  • Average New Patient Copayment $21.99
  • Minimum New Patient Copayment $14.2
  • Maximum New Patient Copayment $43.06

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99213

  • Average Established Patient Price $70.82
  • Minimum Established Patient Price $18.24
  • Maximum Established Patient Price $140.32
  • Average Established Patient Copayment $17.7
  • Minimum Established Patient Copayment $4.56
  • Maximum Established Patient Copayment $35.08

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Quality Reporting

The provider participated in CMS Quality Payment Program. The Quality Payment Program aims to improve population health, reduce costs and improve the care received by Medicare beneficiaries. The following quality measures meet Medicare's statistical reporting standards. Not all providers report the same information, because not all providers give the same services to patients. The quality information is just a snapshot of some the care providers give to their patients. Reporting more or less information is not a reflection of quality.

Quality Measure Performance Number of Patients

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Peder Horner is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
LOGAN HEALTH MEDICAL CENTER310 SUNNYVIEW LANE
KALISPELL, MT 59901
(406) 752-5111Acute Care Hospitals
BOZEMAN HEALTH DEACONESS HOSPITAL915 HIGHLAND BLVD SUITE 3310
BOZEMAN, MT 59715
(406) 585-5000Acute Care Hospitals
BARRETT HOSPITAL & HEALTHCARE600 MT HWY 91 S
DILLON, MT 59725
(406) 683-3000Critical Access Hospitals
MADISON VALLEY MEDICAL CENTER305 N MAIN
ENNIS, MT 59729
(406) 682-4222Critical Access Hospitals
BIG SKY MEDICAL CENTER334 TOWN CENTER AVE
BIG SKY, MT 59716
(406) 995-6995Critical Access Hospitals

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1235218942, we treat the final digit (2) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
2
Unchanged
Pos 3
3
Doubled → 6
Pos 4
5
Unchanged
Pos 5
2
Doubled → 4
Pos 6
1
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
9
Unchanged
Pos 9
4
Doubled → 8
Check
2
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 3 → 6 2 → 4 8 → 16 → 7 4 → 8

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 2 + 6 + 5 + 4 + 1 + 1 + 6 + 9 + 8 + 24 = 68

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1235218942.

Other Providers at the Same Location


The following 18 providers are registered at the same or a nearby location.

Physical Therapist
1648 ELLIS ST STE 201
BOZEMAN, MT 59715
Radiology (Diagnostic Radiology)
1648 ELLIS ST STE 201
BOZEMAN, MT 59715
Radiology (Diagnostic Radiology)
1648 ELLIS ST STE 201
BOZEMAN, MT 59715
Radiology (Diagnostic Radiology)
1648 ELLIS ST STE 201
BOZEMAN, MT 59715
Radiology (Diagnostic Radiology)
1648 ELLIS ST STE 201
BOZEMAN, MT 59715
Specialist
1648 ELLIS ST STE 201
BOZEMAN, MT 59715
Radiology (Vascular & Interventional Radiology)
1648 ELLIS ST STE 201
BOZEMAN, MT 59715
Radiology (Vascular & Interventional Radiology)
1648 ELLIS ST STE 201
BOZEMAN, MT 59715
Radiology (Vascular & Interventional Radiology)
1648 ELLIS ST STE 201
BOZEMAN, MT 59715
Radiology (Diagnostic Radiology)
1648 ELLIS ST STE 201
BOZEMAN, MT 59715
Radiology (Diagnostic Radiology)
1648 ELLIS ST STE 201
BOZEMAN, MT 59715
Radiology (Diagnostic Radiology)
1648 ELLIS ST STE 201
BOZEMAN, MT 59715
Physician Assistant
1648 ELLIS ST STE 201
BOZEMAN, MT 59715
Radiology (Vascular & Interventional Radiology)
1648 ELLIS ST STE 201
BOZEMAN, MT 59715
Radiology (Diagnostic Radiology)
1648 ELLIS ST STE 201
BOZEMAN, MT 59715
Radiology (Diagnostic Radiology)
1648 ELLIS ST STE 201
BOZEMAN, MT 59715
Radiology (Diagnostic Radiology)
1648 ELLIS ST STE 201
BOZEMAN, MT 59715
Radiology (Diagnostic Radiology)
1648 ELLIS ST STE 201
BOZEMAN, MT 59715

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1235218942, enumerated as an "individual" on November 03, 2006.

The provider is located at 1648 ELLIS ST STE 201 BOZEMAN, MT 59715 and the phone number is (406) 587-8631.

Radiology with taxonomy code 2085R0204X and a focus in Vascular & Interventional Radiology.

The provider might be accepting Accepts: Blue Cross and Blue Shield of Montana, Blue Cross. Please consult your insurance carrier or call the provider to verify.

Peder Horner is affiliated with: LOGAN HEALTH MEDICAL CENTER, BOZEMAN HEALTH DEACONESS HOSPITAL, BARRETT HOSPITAL & HEALTHCARE, MADISON VALLEY MEDICAL CENTER and BIG SKY MEDICAL CENTER.