Karl P Undesser, MD - Medicare Cardiac Electrophysiology in Caldwell, ID

Karl P Undesser, MD is a medicare enrolled "Internal Medicine - Clinical Cardiac Electrophysiology" physician in Caldwell, Idaho. He went to University Of Texas Medical School At San Antonio and graduated in 1989 and has 35 years of diverse experience with area of expertise as Cardiac Electrophysiology. He is a member of the group practice West Valley Medical Group Specialty Services Llc and his current practice location is 1906 Fairview Ave Ste 230, Caldwell, Idaho. You can reach out to his office (for appointments etc.) via phone at (208) 795-5073.

Karl P Undesser is licensed to practice in Idaho (license number M6986) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1013961242.

Contact Information

Karl P Undesser, MD
1906 Fairview Ave Ste 230,
Caldwell, ID 83605-5432
(208) 795-5073
(208) 402-3181

Map and Direction




Physician's Profile

Full NameKarl P Undesser
GenderMale
SpecialityCardiac Electrophysiology
Experience35 Years
Location1906 Fairview Ave Ste 230, Caldwell, Idaho
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Karl P Undesser attended and graduated from University Of Texas Medical School At San Antonio in 1989
  NPI Data:
  • NPI Number: 1013961242
  • Provider Enumeration Date: 05/20/2006
  • Last Update Date: 01/27/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 9537167432
  • Enrollment ID: I20061206000258

Medical Identifiers

Medical identifiers for Karl P Undesser such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1013961242NPI-NPPES
1013961242MedicaidID

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RC0001XInternal Medicine - Clinical Cardiac Electrophysiology M6986 (Idaho)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
West Valley Medical CenterCaldwell, IDHospital
Saint Alphonsus Regional Medical CenterBoise, IDHospital
Weiser Memorial HospitalWeiser, IDHospital
St Luke's Regional Medical CenterBoise, IDHospital
Saint Alphonsus Medical Center - Ontario, IncOntario, ORHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
West Valley Medical Group Specialty Services Llc579990181511

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Karl P Undesser allows following entities to bill medicare on his behalf.
Entity NameNorth Canyon Medical Center Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1609046671
PECOS PAC ID: 0941371439
Enrollment ID: O20090409000304
Entity NameSt Lukes Clinic-treasure Valley Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1326336058
PECOS PAC ID: 4981878402
Enrollment ID: O20111119000045
Entity NameWest Valley Medical Group Specialty Services Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1245659093
PECOS PAC ID: 5799901815
Enrollment ID: O20140725002340
Entity NameCardiac And Arrhythmia Center Of Idaho Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1629707740
PECOS PAC ID: 9032593421
Enrollment ID: O20220902001698

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Karl P Undesser is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Karl P Undesser, MD
Po Box 742941,
Atlanta, GA 30374-2941

Ph: () -
Karl P Undesser, MD
1906 Fairview Ave Ste 230,
Caldwell, ID 83605-5432

Ph: (208) 795-5073

Reviews and Comments


Internal Medicine Doctors in Caldwell, ID

Steven J Koga, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1906 Fairview Ave Ste 230, Caldwell, ID 83605
Phone: 208-459-4667    Fax: 208-459-3372
Dr. Lyndon C Box, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1906 Fairview Ave Ste 230, Caldwell, ID 83605
Phone: 208-459-4667    Fax: 208-442-6520
Nathanael Hogg, D.O
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1717 Arlington Ave, Caldwell, ID 83605
Phone: 808-294-7862    
Sherri L Brown, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 315 E Elm St, Caldwell, ID 83605
Phone: 208-459-7415    Fax: 208-453-3200
James C Field, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 315 E Elm St, Ste 350, Caldwell, ID 83605
Phone: 208-454-6363    Fax: 208-454-3512
Dr. Christopher Ryan Keller, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 4620 Enterprise Way Ste 101, Caldwell, ID 83605
Phone: 208-846-8335    Fax: 208-846-8336

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.