DR. ALEXANDER SEBASTIAAN ASSER M.D.
NPI 1861656670
Internal Medicine - Clinical Cardiac Electrophysiology in Rockville, MD

Q: What is Alexander Asser's NPI number?

The NPI number for Alexander Asser is 1861656670. It was assigned to this individual provider in the NPPES registry on July 11, 2008.

Q: What is Alexander Asser's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Alexander Asser was last updated on August 6, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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 July 11, 2008PECOS EnrolledAccepts Medicare Assignment

15225 SHADY GROVE RD, SUITE 201, ROCKVILLE, MD 20850(301) 670-3000 Get Directions Write a Review

NPPES record last updated: August 6, 2010. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Dr. Alexander Sebastiaan Asser M.d. NPPES

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

DR. ALEXANDER SEBASTIAAN ASSER M.D. (NPI 1861656670) is an individual clinical cardiac electrophysiology provider in Rockville, Maryland, licensed in Maryland (D70996) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS, is affiliated with Holy Cross Hospital, and is a graduate of Temple University School Of Medicine (2002).

NPPES Registry Identity

NPI1861656670

Entity TypeIndividualMale

Primary Taxonomy207RC0001X

Provider Legal NameDR. ALEXANDER SEBASTIAAN ASSERCredential: M.D.

Location Address15225 SHADY GROVE RD, SUITE 201Rockville, MD 20850-3254

Mailing Address15225 Shady Grove Rd, Suite 201Rockville, MD 20850-3254 · (301) 670-3000

Phone(301) 670-3000

Sole ProprietorNo

Medical School CMSTemple University School Of MedicineGraduated 2002

Enumeration DateJuly 11, 2008

Last NPPES UpdateAugust 6, 2010

✔ NPI 1861656670 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Clinical Cardiac ElectrophysiologyAllopathic & Osteopathic Physicians

Taxonomy Code207RC0001X

License✔ Licensed in MD · D70996

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.

Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License D70996 (MD)

15225 SHADY GROVE RD, Rockville, MD 20850

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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

Dr. Alexander Sebastiaan Asser M.d. 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 ID1658566237

PECOS Enrollment IDI20101109000477

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 41

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.

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.

1,561 services1,001 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.

1,280 services475 patients

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.

1,278 services879 patients

Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days 93297

This service involves remotely monitoring your heart and blood vessel implant system for up to 30 days. Using advanced technology, healthcare professionals can track the device's performance and your health status, ensuring the system is working optimally for your needs.

1,093 services182 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.

921 services330 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.

568 services351 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.

364 services149 patients

Evaluation of cardiac rhythm monitor system, remote up to 30 days 93298

This procedure involves remotely monitoring your heart rhythm for up to 30 days. A small device will record your heart's activity, which can be accessed by your healthcare team. This aids in diagnosing any irregularities or issues with your heart function.

321 services56 patients

Heart rhythm review and interpretation of continous external ekg over 8-15 days 93248

This service involves wearing a device for 8-15 days that continuously records your heart's electrical activity. It helps in identifying irregular heart rhythms. The recorded data is then reviewed and interpreted by a healthcare professional for any abnormalities.

267 services252 patients

Evaluation of implantable heart and blood vessel monitoring system 93290

An evaluation of an implantable heart and blood vessel monitoring system involves checking the device that's placed inside your body to monitor your heart and blood vessels' health. It helps doctors track your heart rate, rhythm, and blood flow, aiding in prompt, accurate treatment.

250 services166 patients

Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days 93244

A heart rhythm review involves monitoring your heart's electrical activity for more than 48 hours up to 7 days. Using a device called an external EKG, doctors can track your heartbeats to detect irregularities and help diagnose heart conditions.

214 services205 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.

127 services76 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.

122 services71 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.

92 services88 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.

92 services92 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.

80 services76 patients

Insertion of pacemaker and upper and lower heart chamber electrode 33208

A pacemaker insertion is a procedure where a small device, called a pacemaker, is implanted under your skin. This device uses electrical pulses to prompt the heart to beat at a normal rate. Electrodes are placed in the upper and lower chambers of your heart to help regulate your heartbeat.

76 services76 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

72 services54 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

55 services38 patients

Programming of multiple lead pacemaker system 93281

Programming of a multiple lead pacemaker system involves adjusting settings on your pacemaker device to optimize its function. This device uses electrical impulses to regulate your heart's rhythm. The procedure ensures it's working effectively for your specific needs.

51 services32 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

45 services45 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.

42 services29 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.

40 services40 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.

38 services29 patients

Ultrasound of heart with probe in esophagus, with report 93312

This procedure, called a transesophageal echocardiogram, uses a small probe passed into your esophagus to capture detailed images of your heart. The report provides information about your heart's structure and function.

37 services35 patients

Ultrasound of heart blood flow, valves and chambers 93320

An ultrasound of your heart, also known as an echocardiogram, is a test that uses sound waves to create detailed images of your heart. It helps doctors check the health of your heart's chambers, valves, and blood flow.

36 services34 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function 93325

An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.

36 services34 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

32 services31 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.

31 services30 patients

Insertion of tube in upper and/or lower heart chambers to record and identify origin of abnormal heart rhythm 93609

This procedure involves placing a tube into the heart's chambers to detect irregular heart rhythms. It helps doctors pinpoint the cause of rhythm issues by recording heart activity. It's a vital step in diagnosing and treating heart conditions.

30 services29 patients

Removal and replacement of dual lead permanent pacemaker 33228

This procedure involves removing an old dual lead pacemaker and replacing it with a new one. A pacemaker helps regulate your heart's rhythm. The dual lead model has two wires connecting to your heart to improve its electrical signaling. The replacement is done under local anesthesia.

25 services25 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

22 services17 patients

Insertion of implantable defibrillator system 33249

The insertion of an implantable defibrillator system is a procedure to manage irregular heart rhythms. A small device is placed under your skin, which monitors your heart rate. If it detects an abnormal rhythm, it sends an electrical pulse to restore normal heartbeat.

21 services21 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.

20 services18 patients

Insertion of heart rhythm monitor under skin 33285

The insertion of a heart rhythm monitor under the skin is a procedure to track your heart's activity. A small device is placed under your skin, recording your heart's rhythms continuously. This helps identify irregular heartbeats or conditions, aiding in your treatment.

19 services19 patients

Heart rhythm recording of continous external ekg over 8-15 days 93246

A heart rhythm recording is a non-invasive procedure where a small device, attached externally, monitors your heart's electrical activity for 8-15 days. It helps detect irregular heart rhythms, assess heart rate, and guide treatment decisions. It's safe, painless, and can be done during normal daily activities.

19 services19 patients

Heart rhythm recording continous external ekg over more than 48 hours up to 7 days 93242

This procedure involves wearing a device, an external EKG, for up to 7 days to continuously monitor your heart rhythm. It helps detect irregularities that may not occur during a standard EKG. The device is non-invasive and safe.

18 services18 patients

Comprehensive electrophysiologic evaluation with catheter destruction of abnormality of upper chamber of heart causing supraventricular tachycardia (rapid heart rate) 93653

This procedure is a detailed study of your heart's electrical activity. A thin tube (catheter) is inserted into your heart to identify and eliminate the area causing a fast heart rate. This helps restore normal heart rhythm, specifically targeting the upper chamber of the heart.

14 services13 patients

Removal of heart rhythm monitor from under the skin 33286

This procedure involves the careful removal of a heart rhythm monitor, a device implanted under the skin to track your heart's activity. A healthcare professional will make a small incision, extract the monitor, and then close the wound. It's a safe, routine procedure.

12 services12 patients

Insertion of left lower heart electrode for pacemaker or defibrillator 33225

The procedure involves placing a small electrode in your left lower heart region. This electrode is part of a pacemaker or defibrillator, devices that help regulate your heart rhythm. It's done under local anesthesia, and you may feel mild discomfort.

11 services11 patients

Removal and replacement of dual lead defibrillator 33263

The removal and replacement of a dual lead defibrillator involves taking out a device from your chest that monitors your heart rhythm. If it detects a dangerous rhythm, it sends an electric shock to restore normal rhythm. The old device is replaced with a new one to ensure optimal function.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Holy Cross Hospital

Acute Care Hospitals · Silver Spring, MD

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number210004

Location1500 Forest Glen RoadSilver Spring, MD 20910 · Montgomery County

Birthing friendly

Frederick Health Hospital

Acute Care Hospitals · Frederick, MD

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210005

Location400 West Seventh StFrederick, MD 21701 · Frederick County

Emergency services Birthing friendly

Adventist Healthcare White Oak Medical Center

Acute Care Hospitals · Silver Spring, MD

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210016

Location11890 Healing WaySilver Spring, MD 20904 · Montgomery County

Emergency services Birthing friendly

Adventist Healthcare Shady Grove Medical Center

Acute Care Hospitals · Rockville, MD

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210057

Location9901 Medical Center DriveRockville, MD 20850 · Montgomery County

Emergency services Birthing friendly

Holy Cross Germantown Hospital

Acute Care Hospitals · Germantown, MD

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210065

Location19801 Observation DriveGermantown, MD 20876 · Montgomery County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20850 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

$147.85 typical visit price

range $65.18 – $194.86

Typical copayment $36.96 (range $16.29 – $48.71)

Most-billed visit code 99204

Established Patient

$113.72 typical visit price

range $21.40 – $158.88

Typical copayment $28.43 (range $5.35 – $39.72)

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.

Reported Quality Measures

Care Plan

Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…

99%656 patients4/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…

100%715 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 20

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

ED ASHTAR M.D., F.A.C.P.

Internal Medicine (Hematology & Oncology)

15225 SHADY GROVE RD, SUITE 210
ROCKVILLE, MD 20850

Montgomery County (240) 477-6620

DANIEL J GOLDBERG M.D.

Internal Medicine (Cardiovascular Disease)

15225 SHADY GROVE RD, SUITE 201
ROCKVILLE, MD 20850

Montgomery County (301) 670-3000

RICHARD I WEINSTEIN M.D.

Internal Medicine (Cardiovascular Disease)

15225 SHADY GROVE RD, SUITE 201
ROCKVILLE, MD 20850

Montgomery County (301) 670-3000

MONTGOMERY DERMATOLOGY ASSOCIATES, LLC

Clinic/Center (Medical Specialty)

15225 SHADY GROVE RD, STE. 303
ROCKVILLE, MD 20850

Montgomery County (301) 216-2980

DANIEL LEONARD GRIFFEN III M.D.

Internal Medicine (Cardiovascular Disease)

15225 SHADY GROVE RD, SUITE 201
ROCKVILLE, MD 20850

Montgomery County (301) 670-3000

JIN MOON KANG M.D.

Family Medicine

15225 SHADY GROVE RD, SUITE 102
ROCKVILLE, MD 20850

Montgomery County (301) 330-0661

DR. ALAN STUART CHANALES MD

Internal Medicine (Pulmonary Disease)

15225 SHADY GROVE RD
ROCKVILLE, MD 20850

Montgomery County (301) 330-0200

GREGORY H FISHER M.D.

Internal Medicine (Cardiovascular Disease)

15225 SHADY GROVE RD, SUITE 201
ROCKVILLE, MD 20850

Montgomery County (301) 670-3000

ANNE LOUISE DENICOFF CPNP

Nurse Practitioner (Pediatrics)

15225 SHADY GROVE RD, #304
ROCKVILLE, MD 20850

Montgomery County (301) 840-0660

DR. MICHAEL SUNG-CHIEH CHEN M.D.

Internal Medicine (Interventional Cardiology)

15225 SHADY GROVE RD, SUITE 201
ROCKVILLE, MD 20850

Montgomery County (301) 670-3000

ALBERT P. GALDI, MD

Psychiatry & Neurology (Neurology)

15225 SHADY GROVE RD, SUITE 210
ROCKVILLE, MD 20850

Montgomery County (240) 631-2942

NEIL JULIE, MD PA

Internal Medicine (Gastroenterology)

15225 SHADY GROVE RD, SUITE 103
ROCKVILLE, MD 20850

Montgomery County (301) 987-0020

BLUE DOOR PHARMACIES

Pharmacy (Community/Retail Pharmacy)

15225 SHADY GROVE RD, SUITE 101
ROCKVILLE, MD 20850

Montgomery County (301) 948-4222

CARDIAC ASSOCIATES, P.C.

Internal Medicine (Cardiovascular Disease)

15225 SHADY GROVE RD, SUITE 201
ROCKVILLE, MD 20850

Montgomery County (301) 670-3000

DR. MAX LOGAN GRATRIX M.D.

Dermatology

15225 SHADY GROVE RD, SUITE 303
ROCKVILLE, MD 20850

Montgomery County (443) 351-3376

JAY ALLAN BERNSTEIN MD

Pediatrics

15225 SHADY GROVE RD, #304
ROCKVILLE, MD 20850

Montgomery County (301) 840-0660

JOHN M YACKEE M.D.

Internal Medicine (Cardiovascular Disease)

15225 SHADY GROVE RD, SUITE 201
ROCKVILLE, MD 20850

Montgomery County (301) 670-3000

NATALEE J PALACIO

Physician Assistant (Medical)

15225 SHADY GROVE RD, STE 102
ROCKVILLE, MD 20850

Montgomery County (301) 330-0661

JASON BADILLO P.A.

Physician Assistant

15225 SHADY GROVE RD, SUITE 201
ROCKVILLE, MD 20850

Montgomery County (301) 947-2415

THOMAS J ODAR M.D.

Internal Medicine (Cardiovascular Disease)

15225 SHADY GROVE RD, SUITE 201
ROCKVILLE, MD 20850

Montgomery County (301) 670-3000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alexander Asser's NPI number?

The NPI number for Alexander Asser is 1861656670. It was assigned to this individual provider in the NPPES registry on July 11, 2008.

Where is Alexander Asser located?

Alexander Asser practices at 15225 Shady Grove Rd Suite 201, Rockville, MD 20850. The listed phone number is (301) 670-3000.

What is Alexander Asser's specialty?

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

Is Alexander Asser enrolled in Medicare?

Yes. Alexander Asser 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.

Is Alexander Asser affiliated with any hospitals?

According to CMS data, Alexander Asser is affiliated with Holy Cross Hospital, Frederick Health Hospital, Adventist Healthcare White Oak Medical Center, Adventist Healthcare Shady Grove Medical Center and Holy Cross Germantown Hospital.

When was this NPI record last updated?

The NPPES record for Alexander Asser was last updated on August 6, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.