DR. ALEXANDER SEBASTIAAN ASSER M.D. NPI 1861656670

NPI Information

  • NPI: 1861656670
  • Provider Name: DR. ALEXANDER SEBASTIAAN ASSER, M.D.
  • Classification: Internal Medicine - 207RC0001X
  • Specialization: Clinical Cardiac Electrophysiology
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 15225 SHADY GROVE RD
    SUITE 201
    ROCKVILLE, MD
    ZIP 20850
  • Phone: (301) 670-3000

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NPI Details

DR. Alexander Sebastiaan Asser, M.D. is a clinical cardiac electrophysiology internal medicine in Rockville, MD with 23 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. Alexander Sebastiaan Asser, M.D. NPI is 1861656670. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

Education
Medical School: TEMPLE UNIVERSITY SCHOOL OF MEDICINE
Graduation Year:2002

The provider's business location address is:

15225 SHADY GROVE RD
SUITE 201
ROCKVILLE, MD
ZIP 20850-254
Phone: (301) 670-3000

The NPI 1861656670 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)
  • Interrogation device evaluation(s), (remote) up to 30 days; implantable cardiovascular physiologic monitor system, implantable loop recorder system, or subcutaneous cardiac rhythm monitor system, remote data acquisition(s), receipt of transmissions and tec (HCPCS:G2066)
  • Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days (HCPCS:93296)
  • Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days (HCPCS:93297)
  • Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS:93000)
  • Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
  • Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (HCPCS:93294)
  • Evaluation of cardiac rhythm monitor system, remote up to 30 days (HCPCS:93298)
  • Programming of dual lead pacemaker system (HCPCS:93280)
  • Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days (HCPCS:93295)
  • Evaluation of implantable heart and blood vessel monitoring system (HCPCS:93290)
  • Heart rhythm review and interpretation of continous external ekg over 8-15 days (HCPCS:93248)
  • Programming of multiple lead implantable defibrillator system (HCPCS:93284)
  • Follow-up hospital inpatient care per day, typically 35 minutes (HCPCS:99233)
  • Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days (HCPCS:93244)
  • Programming of dual lead implantable defibrillator system (HCPCS:93283)
  • Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS:93306)
  • Critical care, first 30-74 minutes (HCPCS:99291)
  • Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (HCPCS:99211)
  • Initial hospital inpatient care per day, typically 50 minutes (HCPCS:99222)
  • New patient office or other outpatient visit, 45-59 minutes (HCPCS:99204)
  • Programming of single lead pacemaker system (HCPCS:93279)
  • Programming of single lead implantable defibrillator system (HCPCS:93282)
  • Insertion of pacemaker and upper and lower heart chamber electrode (HCPCS:33208)
  • Review by radiologist of 1 arm or leg vein of 1 arm or leg image (HCPCS:75820)
  • Programming of multiple lead pacemaker system (HCPCS:93281)
  • Injection for x-ray imaging procedure into vein of arm or leg (HCPCS:36005)
  • Heart rhythm recording of continous external ekg over 8-15 days (HCPCS:93246)
  • New patient office or other outpatient visit, 60-74 minutes (HCPCS:99205)
  • Ultrasonic guidance for blood vessel access (HCPCS:76937)
  • Ultrasound of heart with probe in esophagus, with report (HCPCS:93312)
  • Ultrasound of heart blood flow, valves and chambers (HCPCS:93320)
  • Ultrasound of heart with color-depicted blood flow, rate and valve function (HCPCS:93325)
  • External shock to heart to regulate heart beat (HCPCS:92960)
  • New patient office or other outpatient visit, 45-59 minutes (HCPCS:99204)
  • Removal and replacement of dual lead permanent pacemaker (HCPCS:33228)
  • Evaluation of cardiac rhythm monitor system (HCPCS:93291)
  • Insertion of tube for 3d mapping of electrical impulses to heart muscle (HCPCS:93613)
  • Comprehensive electrophysiologic evaluation with catheter destruction of abnormality causing atrial fibrillation (uncoordinated contraction of upper chambers of heart) by pulmonary vein isolation (HCPCS:93656)
  • Initial hospital inpatient care per day, typically 70 minutes (HCPCS:99223)
  • Removal and replacement of multiple lead defibrillator (HCPCS:33264)
  • Removal of heart rhythm monitor from under the skin (HCPCS:33286)
  • Insertion of heart rhythm monitor under skin (HCPCS:33285)
  • Insertion of left lower heart electrode for pacemaker or defibrillator (HCPCS:33225)
  • Insertion of implantable defibrillator system (HCPCS:33249)
  • Heart rhythm recording continous external ekg over more than 48 hours up to 7 days (HCPCS:93242)
  • Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS:93306)
  • Ultrasound evaluation of heart blood vessel with review by radiologist (HCPCS:93662)
  • Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)
  • Comprehensive electrophysiologic evaluation with catheter destruction of abnormality of upper chamber of heart causing supraventricular tachycardia (rapid heart rate) (HCPCS:93653)
  • Destruction of tissue of upper heart chamber through tube to treat abnormal heart rhythm (HCPCS:93657)
  • Pacemaker insertion or repair (HCPCS:NAN10)

The enumeration date for this NPI number is 7/11/2008 and was last updated on 8/6/2010.

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 DiseaseD70996MARYLANDNo
2207RC0001XInternal MedicineClinical Cardiac ElectrophysiologyD70996MARYLANDYes

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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