DR. TIMOTHY RAYMOND LARSEN D.O. NPI 1477845337

NPI Information

  • NPI: 1477845337
  • Provider Name: DR. TIMOTHY RAYMOND LARSEN, D.O.
  • Classification: Internal Medicine - 207RC0001X
  • Specialization: Clinical Cardiac Electrophysiology
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 1725 W HARRISON ST STE 1159
    CHICAGO, IL
    ZIP 60612
  • Phone: (312) 942-5020

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NPI Details

DR. Timothy Raymond Larsen, D.O. is a clinical cardiac electrophysiology internal medicine in Chicago, IL with 15 years of experience. The provider is 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. DR. Timothy Raymond Larsen, D.O. NPI is 1477845337. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

Education
Medical School: MICHIGAN STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduation Year:2011

The provider's business location address is:

1725 W HARRISON ST STE 1159
CHICAGO, IL
ZIP 60612
Phone: (312) 942-5020

The NPI 1477845337 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.

  • Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS:93010)
  • Heart rhythm review and interpretation of continous external ekg over 8-15 days (HCPCS:93248)
  • Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
  • Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days (HCPCS:93295)
  • Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (HCPCS:93294)
  • Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS:93000)
  • Programming of dual lead pacemaker system (HCPCS:93280)
  • Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
  • Follow-up hospital inpatient care per day, typically 35 minutes (HCPCS:99233)
  • Established patient office or other outpatient visit, 40-54 minutes (HCPCS:99215)
  • Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days (HCPCS:93244)
  • Follow-up hospital inpatient care per day, typically 25 minutes (HCPCS:99232)
  • Evaluation of cardiac rhythm monitor system, remote up to 30 days (HCPCS:93298)
  • Review by radiologist of 1 arm or leg vein of 1 arm or leg image (HCPCS:75820)
  • Programming of multiple lead implantable defibrillator system (HCPCS:93284)
  • Initial hospital inpatient care per day, typically 50 minutes (HCPCS:99222)
  • Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (HCPCS:99152)
  • Established patient office or other outpatient visit, 40-54 minutes (HCPCS:99215)
  • Initial hospital inpatient care per day, typically 70 minutes (HCPCS:99223)
  • External shock to heart to regulate heart beat (HCPCS:92960)
  • Heart rhythm review and interpretation of continous external ekg over 8-15 days (HCPCS:93248)
  • Comprehensive electrophysiologic evaluation with catheter destruction of abnormality causing atrial fibrillation (uncoordinated contraction of upper chambers of heart) by pulmonary vein isolation (HCPCS:93656)
  • Programming of single lead implantable defibrillator system (HCPCS:93282)
  • Hospital observation care on day of discharge (HCPCS:99217)
  • Telephone medical discussion with physician, 11-20 minutes (HCPCS:99442)
  • Electrocardiogram (ecg) 2-day continuous with review by health care professional (HCPCS:93227)
  • Ultrasound evaluation of heart blood vessel with review by radiologist (HCPCS:93662)
  • Programming of dual lead implantable defibrillator system (HCPCS:93283)
  • Programming of heart rhythm stimulation after drug infusion (HCPCS:93623)
  • Insertion of catheters and destruction of tissue to treat abnormal heart rhythm (HCPCS:93655)
  • Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)
  • New patient office or other outpatient visit, 60-74 minutes (HCPCS:99205)
  • New patient office or other outpatient visit, 45-59 minutes (HCPCS:99204)
  • Insertion of pacemaker and upper and lower heart chamber electrode (HCPCS:33208)
  • Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days (HCPCS:93244)
  • Programming of multiple lead pacemaker system (HCPCS:93281)
  • Electrocardiogram (ecg) up to 30 days continuous with symptom monitoring, transmission and review and report by health care professional (HCPCS:93272)
  • New patient office or other outpatient visit, 45-59 minutes (HCPCS:99204)
  • New patient office or other outpatient visit, 60-74 minutes (HCPCS:99205)
  • Programming of single lead pacemaker system (HCPCS:93279)
  • Insertion of heart rhythm monitor under skin (HCPCS:33285)
  • Telephone medical discussion with physician, 11-20 minutes (HCPCS:99442)
  • Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS:93010)
  • Pacemaker insertion or repair (HCPCS:NAN10)

The enumeration date for this NPI number is 5/11/2011 and was last updated on 7/23/2019.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1207RC0000XInternal MedicineCardiovascular Disease036-149085ILLINOISNo
2207RC0001XInternal MedicineClinical Cardiac Electrophysiology036-149085ILLINOISYes

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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