KARL P UNDESSER MD
NPI 1013961242
Internal Medicine - Clinical Cardiac Electrophysiology in Caldwell, ID

Q: What is Karl Undesser's NPI number?

The NPI number for Karl Undesser is 1013961242. It was assigned to this individual provider in the NPPES registry on May 20, 2006.

Q: Where is Karl Undesser located?

Karl Undesser practices at 1906 Fairview Ave Ste 230, Caldwell, ID 83605. The listed phone number is (208) 795-5073.

Q: What is Karl Undesser's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.

Q: Is Karl Undesser enrolled in Medicare?

Yes. Karl Undesser 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.

Q: What insurance does Karl Undesser accept?

Health plans from Moda Health Plan, Inc., PacificSource Health Plans and Providence Health Plan list Karl Undesser 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.

Q: Is Karl Undesser affiliated with any hospitals?

According to CMS data, Karl Undesser is affiliated with St Luke's Regional Medical Center, West Valley Medical Center, St Luke's Nampa Medical Center, Weiser Memorial Hospital and Saint Alphonsus Medical Center - Ontario.

Q: When was this NPI record last updated?

The NPPES record for Karl Undesser was last updated on January 27, 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.

Active since May 20, 2006PECOS EnrolledAccepts Medicare Assignment

99.34/100

CMS Quality Rating

1906 FAIRVIEW AVE STE 230, CALDWELL, ID 83605(208) 795-5073(208) 402-3181 Get Directions Write a Review

NPPES record last updated: January 27, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 27, 2022, Nov 30, 2020 (2 updates tracked since 2020).

On this page

About Karl P Undesser Md NPPES

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

KARL P UNDESSER MD (NPI 1013961242) is an individual clinical cardiac electrophysiology provider in Caldwell, Idaho, licensed in Idaho (M6986) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with St Luke's Regional Medical Center, and is a graduate of University Of Texas Medical School At San Antonio (1989).

NPPES Registry Identity

NPI1013961242

Entity TypeIndividualMale

Primary Taxonomy207RC0001X

Provider Legal NameKARL P UNDESSERCredential: MD

Location Address1906 FAIRVIEW AVE STE 230Caldwell, ID 83605-5432

Mailing AddressPo Box 742941Atlanta, GA 30374-2941

Phone(208) 795-5073

Fax(208) 402-3181

Sole ProprietorNo

Medical School CMSUniversity Of Texas Medical School At San AntonioGraduated 1989

Enumeration DateMay 20, 2006

Last NPPES UpdateJanuary 27, 20222 updates tracked since enumeration

NPPES CertifiedNovember 30, 2020

✔ NPI 1013961242 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Clinical Cardiac ElectrophysiologyAllopathic & Osteopathic Physicians

Taxonomy Code207RC0001X

License✔ Licensed in ID · M6986

Definition

A field of special interest within the subspecialty of cardiovascular disease, specialty of Internal Medicine, which involves intricate technical procedures to evaluate heart rhythms and determine appropriate treatment for them.

1906 FAIRVIEW AVE STE 230, Caldwell, ID 83605

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Other Identifiers 1

Medicaid1013961242ID

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Moda Health Plan, Inc., PacificSource Health Plans, Providence Health Plan.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

Karl P Undesser 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 ID9537167432

PECOS Enrollment IDI20061206000258

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.

Areas of Expertise CMS Part B claims 22

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

733 services450 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

251 services146 patients

Programming of dual lead pacemaker system 93280

Programming of a dual lead pacemaker system is a procedure to adjust your heart's pacemaker settings. This process involves a small device, called a programmer, that communicates with your pacemaker to ensure it's working optimally for your heart's needs.

173 services87 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days 93296

This procedure involves remotely monitoring your pacemaker or implantable defibrillator system. Over a 90-day period, we check the device's performance and your heart's activity. This helps ensure the device is functioning properly and providing the best possible support for your heart health.

156 services89 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

152 services145 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 93294

This procedure evaluates your pacemaker system remotely for up to 90 days. It checks whether single, dual, multiple lead, or leadless pacemakers are working properly. It's a safe, convenient way to ensure your heart device is functioning optimally.

118 services56 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

106 services106 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.

102 services87 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

91 services80 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

89 services60 patients

Programming of dual lead implantable defibrillator system 93283

Programming of a dual lead implantable defibrillator system involves adjusting settings on a device implanted in your chest. This device monitors your heart rhythm and delivers electrical pulses to correct irregular heartbeats, helping maintain a healthy heart rhythm.

45 services29 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

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.

43 services42 patients

External shock to heart to regulate heart beat 92960

This procedure, known as cardioversion, uses an external electrical shock to restore your heart's normal rhythm. It's typically performed when irregular heartbeats, or arrhythmias, are causing severe symptoms and aren't responding to medications.

39 services28 patients

Programming of multiple lead implantable defibrillator system 93284

Programming of a multiple lead implantable defibrillator system involves adjusting settings on your implanted device to help control irregular heart rhythms. The process is non-invasive and helps ensure optimal device performance for maintaining heart health.

38 services26 patients

Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days 93295

This procedure involves remotely monitoring your implantable defibrillator system, which can have single, dual, or multiple leads. Over a period of up to 90 days, the system's performance is evaluated to ensure it's working properly and providing the necessary heart rhythm support.

38 services33 patients

Programming of single lead pacemaker system 93279

Programming of a single lead pacemaker system involves adjusting the pacemaker's settings to suit your heart's unique needs. This is done using a special device that communicates with the pacemaker, ensuring it helps your heart beat at an optimal rate.

28 services18 patients

Programming of single lead implantable defibrillator system 93282

Programming of a single lead implantable defibrillator system involves setting up and adjusting a device implanted in your body. This device helps regulate your heartbeat. It can detect irregular heart rhythms and provide corrective electric shocks to restore a normal heartbeat.

27 services18 patients

Programming of cardiac rhythm monitor system 93285

Programming of a cardiac rhythm monitor system involves setting up a device to track your heart's activity. This helps identify irregular heartbeats or rhythms. The data collected assists your healthcare team in making accurate treatment decisions.

23 services16 patients

Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional 93228

An Electrocardiogram (ECG) is a non-invasive test that records the electrical signals in your heart. For up to 30 days, a small device will continuously monitor your heart's activity. A healthcare professional will then review the data and provide a report on your heart's function.

18 services18 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

16 services16 patients

Comprehensive electrophysiologic evaluation with catheter destruction of abnormality causing atrial fibrillation (uncoordinated contraction of upper chambers of heart) by pulmonary vein isolation 93656

This is a procedure to treat atrial fibrillation, a condition causing irregular heartbeats. It involves a detailed heart evaluation using electrophysiology. A catheter is then used to destroy the problematic area causing the issue. Specifically, isolation of the pulmonary vein is done to regulate the heartbeat.

14 services14 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

14 services14 patients

Hospital Affiliations CMS Care Compare 5

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

St Luke's Regional Medical Center

Acute Care Hospitals · Boise, ID

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number130006

Location190 East Bannock StreetBoise, ID 83712 · Ada County

Emergency services Birthing friendly

West Valley Medical Center

Acute Care Hospitals · Caldwell, ID

5/5 CMS rating

OwnershipProprietary

CMS Certification Number130014

Location1717 Arlington StreetCaldwell, ID 83605 · Canyon County

Emergency services

St Luke's Nampa Medical Center

Acute Care Hospitals · Nampa, ID

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number130071

Location9850 West St Lukes DriveNampa, ID 83687 · Canyon County

Emergency services Birthing friendly

Weiser Memorial Hospital

Critical Access Hospitals · Weiser, ID

OwnershipGovernment - Hospital District or Authority

CMS Certification Number131307

Location645 East 5th StreetWeiser, ID 83672 · Washington County

Emergency services

Saint Alphonsus Medical Center - Ontario

Acute Care Hospitals · Ontario, OR

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number380052

Location351 SW 9th StreetOntario, OR 97914 · Malheur County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 83605 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

$121.27 typical visit price

range $52.44 – $160.17

Typical copayment $30.31 (range $13.11 – $40.04)

Most-billed visit code 99204

Established Patient

$93.26 typical visit price

range $16.68 – $130.93

Typical copayment $23.31 (range $4.17 – $32.73)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

99.34/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

98.68

Improvement Activities

Reported Quality Measures

Controlling High Blood Pressure

77%871 patients4/55-star benchmark: 91%

Coronary Artery Disease (CAD): Beta-Blocker Therapy Prior Myocardial Infarction (MI) or Left Ventricular Systolic Dysfunction (LVEF <= 40%)

94%31 patients4/55-star benchmark: 99%

Documentation of Current Medications in the Medical Record

91%3,662 patients4/55-star benchmark: 100%

Falls: Screening for Future Fall Risk

72%1,321 patients3/55-star benchmark: 100%

Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented

40%1,541 patients3/55-star benchmark: 61%

Statin Therapy for the Prevention and Treatment of Cardiovascular Disease

79%484 patients4/55-star benchmark: 91%

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

Patients appropriateDiagnosis: 0% · 1,367 patients

Patients totalRate: 0% · 1,367 patients

0%1,367 patients5/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 9

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

DR. JOE MARIE FRANZ LLENOS MD

Family Medicine