BRIAN D WILLIAMSON MD
NPI 1255313268
Internal Medicine - Clinical Cardiac Electrophysiology in Troy, MI

Q: What is Brian Williamson's NPI number?

The NPI number for Brian Williamson is 1255313268. It was assigned to this individual provider in the NPPES registry on November 16, 2005.

Q: What is Brian Williamson'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 Brian Williamson was last updated on October 20, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 November 16, 2005PECOS EnrolledAccepts Medicare Assignment

80.99/100

CMS Quality Rating

4600 INVESTMENT DR, SUITE 200, TROY, MI 48098(248) 267-5050(248) 267-5051 Get Directions Write a Review

NPPES record last updated: October 20, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Brian D Williamson Md NPPES

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

BRIAN D WILLIAMSON MD (NPI 1255313268) is an individual clinical cardiac electrophysiology provider in Troy, Michigan, licensed in Michigan (4301407031) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and is a graduate of Ohio State University College Of Medicine (1986).

NPPES Registry Identity

NPI1255313268

Entity TypeIndividualMale

Primary Taxonomy207RC0001X

Provider Legal NameBRIAN D WILLIAMSONCredential: MD

Location Address4600 INVESTMENT DR, SUITE 200Troy, MI 48098-6365

Mailing Address4600 Investment Dr, Suite 200Troy, MI 48098-6365 · (248) 267-5050 · Fax (248) 267-5051

Phone(248) 267-5050

Fax(248) 267-5051

Sole ProprietorNo

Medical School CMSOhio State University College Of MedicineGraduated 1986

Enumeration DateNovember 16, 2005

Last NPPES UpdateOctober 20, 2020

NPPES CertifiedOctober 20, 2020

✔ NPI 1255313268 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 MI · 4301407031

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.

4600 INVESTMENT DR, Troy, MI 48098

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Other Identifiers 3

Other0606344581MI · Blue Cross Blue Shield Of Mi

Medicaid4445236MI

Other060069744MI · Medicare Railroad

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, McLaren Health Plan Community and more.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

Brian D Williamson 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 ID5698758639

PECOS Enrollment IDI20040610000595

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 43

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.

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.

586 services191 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.

462 services377 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.

392 services348 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.

343 services77 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.

246 services119 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.

178 services129 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.

177 services167 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.

173 services79 patients

Programming of dual lead pacemaker system 93280

170 services151 patients

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

151 services113 patients

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

142 services21 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.

137 services108 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

118 services115 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.

111 services55 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.

96 services68 patients

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

83 services62 patients

Programming of single, dual, or multiple lead or leadless pacemaker system before or after surgery 93286

Pacemaker programming is a process to set your pacemaker's pace to support your heart's needs. It can be done for single, dual, or multiple lead pacemakers, either before or after surgery. It's a safe, routine procedure to ensure optimal heart function.

81 services37 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.

74 services46 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.

73 services69 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.

55 services55 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.

44 services32 patients

Programming of multiple lead implantable defibrillator system 93284

43 services31 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.

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.

40 services37 patients

Programming of dual lead implantable defibrillator system 93283

34 services28 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.

32 services32 patients

Programming of single, dual or multiple lead implantable defibrillator system before or after surgery 93287

Programming an implantable defibrillator system involves setting up the device to monitor your heart rhythm and deliver therapy as needed. This can be done before or after surgery. The device can have single, dual, or multiple leads depending on your specific heart condition.

31 services11 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.

31 services31 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.

30 services28 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.

26 services26 patients

Programming of single lead pacemaker system 93279

26 services22 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.

25 services25 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.

24 services24 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.

23 services23 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.

16 services14 patients

Insertion of catheters and destruction of tissue to treat abnormal heart rhythm 93655

This procedure involves placing small tubes (catheters) into your heart via a blood vessel. These catheters emit energy that corrects irregular heartbeats by eliminating the problematic heart tissue. It's a common, minimally invasive method to treat abnormal heart rhythms.

16 services16 patients

Programming of single lead implantable defibrillator system 93282

15 services12 patients

Evaluation of cardiac rhythm monitor system 93291

The evaluation of a cardiac rhythm monitor system involves checking your heart's electrical activity. It's a non-invasive procedure that uses a device to record your heart's rhythm and rate. This helps identify any irregularities, ensuring your heart is functioning properly.

15 services13 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.

14 services13 patients

Evaluation of single, dual, or multiple lead implantable defibrillator system 93289

This procedure evaluates your implantable defibrillator system, which helps regulate your heart rhythm. It can involve single, dual, or multiple lead systems. It's essential to ensure the device is working correctly and adjusting to your heart's needs.

14 services13 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.

13 services13 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system 93288

An evaluation of a pacemaker system examines how well your heart device is working. Single, dual, multiple lead, or leadless refers to the wires that deliver electrical pulses from the pacemaker to your heart. This check ensures your heart is receiving the right amount of support from the device.

13 services12 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.

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.

Spectrum Health

Acute Care Hospitals · Grand Rapids, MI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230038

Location100 Michigan St NEGrand Rapids, MI 49503 · Kent County

Emergency services Birthing friendly

Beaumont Hospital - Grosse Pointe

Acute Care Hospitals · Grosse Pointe, MI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230089

Location468 Cadieux RdGrosse Pointe, MI 48230 · Wayne County

Emergency services Birthing friendly

Beaumont Hospital Royal Oak

Acute Care Hospitals · Royal Oak, MI

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230130

Location3601 W Thirteen Mile RdRoyal Oak, MI 48073 · Oakland County

Emergency services Birthing friendly

Beaumont Hospital - Farmington Hills

Acute Care Hospitals · Farmington Hills, MI

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230151

Location28050 Grand River AvenueFarmington Hills, MI 48336 · Oakland County

Emergency services Birthing friendly

Beaumont Hospital, Troy

Acute Care Hospitals · Troy, MI

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230269

Location44201 Dequindre RoadTroy, MI 48085 · Oakland County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48098 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

$134.28 typical visit price

range $58.04 – $177.36

Typical copayment $33.57 (range $14.51 – $44.34)

Most-billed visit code 99204

Established Patient

$102.35 typical visit price

range $18.32 – $143.49

Typical copayment $25.58 (range $4.58 – $35.87)

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.

80.99/100

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

Scored as part of a group practice

Quality

67.25

Promoting Interoperability

100

Improvement Activities

Cost

59.73

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.

DR. MEHMET E DONAT MD

Internal Medicine (Gastroenterology)

4600 INVESTMENT DR, STE 380
TROY, MI 48098

Oakland County (248) 267-5025

DR. TIMOTHY J TINETTI MD

Internal Medicine

4600 INVESTMENT DR, STE 300
TROY, MI 48098

Oakland County (248) 267-5000

DR. DAVID J KEARNEY MD

Urology

4600 INVESTMENT DR, STE 370
TROY, MI 48098

Oakland County (248) 267-5035

DR. SUNDEEP S DHILLON MD

Internal Medicine (Nephrology)

4600 INVESTMENT DR, STE 290
TROY, MI 48098

Oakland County (248) 267-5010

DR. JANET K DUBECK MD

Internal Medicine

4600 INVESTMENT DR, STE 300
TROY, MI 48098

Oakland County (248) 267-5000

MICHIGAN HEART GROUP PC

Internal Medicine (Cardiovascular Disease)

4600 INVESTMENT DR, SUITE 200
TROY, MI 48098

Oakland County (248) 267-5050

WILLIAM BEAUONT HOSPITAL

Internal Medicine

4600 INVESTMENT DR
TROY, MI 48098

Oakland County (616) 486-6790

DR. LEONARD G QUALLICH III MD

Internal Medicine (Gastroenterology)

4600 INVESTMENT DR, STE 380
TROY, MI 48098

Oakland County (248) 267-5025

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 Brian Williamson's NPI number?

The NPI number for Brian Williamson is 1255313268. It was assigned to this individual provider in the NPPES registry on November 16, 2005.

Where is Brian Williamson located?

Brian Williamson practices at 4600 Investment Dr Suite 200, Troy, MI 48098. The listed phone number is (248) 267-5050.

What is Brian Williamson's specialty?

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

Is Brian Williamson enrolled in Medicare?

Yes. Brian Williamson 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.

What insurance does Brian Williamson accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, McLaren Health Plan Community, Priority Health and UnitedHealthcare list Brian Williamson 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.

Is Brian Williamson affiliated with any hospitals?

According to CMS data, Brian Williamson is affiliated with Spectrum Health, Beaumont Hospital - Grosse Pointe, Beaumont Hospital Royal Oak, Beaumont Hospital - Farmington Hills and Beaumont Hospital, Troy.

When was this NPI record last updated?

The NPPES record for Brian Williamson was last updated on October 20, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.