Dr. Brian D. Williamson, MD

  • Southfield, MI
  • Cardiac electrophysiologist
NPI1255313268PAC ID5698758639
Medicare services, 2024
4,461
Medicare patients, 2024
1,506
Part D claims, 2024
7,400
MIPS score, 2024
84
Hospital affiliations
5
Practice address
26901 Beaumont Blvd, Suite 169, Southfield, MI 48033
Practice phone
Call (947) 522-1495
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Corewell Health Children's PATCH Program

Hospice - Independent · Southfield, Michigan

See all 10 affiliations

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Dr. Brian D. Williamson is a cardiac electrophysiologist in Southfield, Michigan

Dr. Williamson practices at Corewell Health Children's PATCH Program in Southfield, Michigan.

Dr. Williamson's NPI, 1255313268, was assigned on November 16, 2005. Dr. Williamson graduated from Ohio State University College of Medicine in 1986. Dr. Williamson holds Michigan license 4301407031.

NPI and contact details
Medicare PAC ID
5698758639
NPI enumeration date
November 16, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(947) 522-1495
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
66
Medical school graduation
1986

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Brian D. Williamson practices at Corewell Health Children's PATCH Program in Southfield, Michigan

Dr. Williamson's primary practice is Corewell Health Children's PATCH Program, at 26901 Beaumont Blvd, Suite 169, Southfield, MI 48033 in Oakland County. The practice phone is (947) 522-1495.

  • Corewell Health Children's PATCH Program
    26901 Beaumont Blvd, Suite 169, Southfield, MI 48033 · Oakland CountyPhone(947) 522-1495

Source: Dmand AI Affiliation Data

Dr. Brian D. Williamson is affiliated with 8 sites of care and 2 medical groups

Dr. Williamson's primary practice is Corewell Health Children's PATCH Program in Southfield, Michigan. Dr. Williamson is also affiliated with Corewell Health William Beaumont University Hospital. The medical group on file is Beaumont Medical Group - Specialty Services. Dmand AI also links Dr. Williamson to 4 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 10 affiliations for Dr. Williamson

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Brian D. Williamson's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williamson practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Corewell Health Children's PATCH ProgramAvailable with a free account
+7 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Brian D. Williamson is one of 94 cardiac electrophysiologists in Michigan

Clinical cardiac electrophysiology is Dr. Williamson's primary specialty in the NPI Registry, under taxonomy code 207RC0001X. Dr. Williamson is licensed in Michigan.

Specialties and state licenses

  • Clinical cardiac electrophysiology, MichiganPrimaryLicense 4301407031 · taxonomy 207RC0001X

Cardiac electrophysiologists near Dr. Williamson

Counts of cardiac electrophysiologists with a Dmand AI profile, by place and practice. Each opens the list.

94cardiac electrophysiologists in Michigan
2cardiac electrophysiologists in Southfield

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Brian D. Williamson billed Medicare for 4,461 services in 2024

CMS data shows 4,461 Medicare services from Dr. Williamson across 36 procedure codes in 2024, for 1,506 Medicare patients. Medicare paid $222,036 for them.

Medicare services, 20244,461
Medicare patients1,506
Paid by Medicare$222,036
Procedure codes36

Dr. Williamson's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 3,4202024: 3,4972%
Office and hospital visits
2023: 1,2262024: 89127%
Other services
2023: 6152024: 3794%
Surgery
2023: 132024: 36177%

Where Dr. Williamson's Medicare services took place, 2024

  • In an office3,21672%
  • In a facility1,24528%

Dr. Williamson compared with the Michigan median for cardiac electrophysiologists, 2024

  • Dr. Williamson
  • Michigan median
Medicare services
4,461vs 1,8902.4 times
Medicare patients
1,506vs 77096% above
Part D claims
7,169vs 8388.6 times

Medians across 90 cardiac electrophysiologists in Michigan with Dmand AI profiles that report each measure.

Dr. Williamson's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Williamson

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Brian D. Williamson treated 1,506 Medicare patients in 2024, average age 78

CMS counts 1,506 Medicare patients who saw Dr. Williamson in 2024. The largest group is 75 to 84, with 623 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.90, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Williamson's median patient age at 74, with 43% women.

Medicare patients, 20241,506
Average age78
Average risk score1.90
Also on Medicaid7%

Dr. Williamson's Medicare patients by age, 2024

Dr. Williamson's Medicare patients by sex, 2024

  • Women71247%
  • Men79453%

Chronic conditions among Dr. Williamson's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Atrial fibrillation69%
  4. Ischemic heart disease68%
  5. Arthritis55%
  6. Heart failure53%
  7. Chronic kidney disease43%
  8. Diabetes41%

Share of Medicare patients with each condition. A patient can have several.

Dr. Williamson's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women43%
  • Men56%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Brian D. Williamson wrote 7,400 Medicare Part D claims in 2024

In 2024, Dr. Williamson wrote 7,400 Medicare Part D claims for 985 patients. 75% of them were for generic drugs. CMS names the drug for 7,169 of them, across 65 drugs with 11 or more claims each, at $2,684,909 in total drug cost. In 2023, CMS named 6,872 claims across 63 drugs.

Part D claims, 20247,400
Drugs named by CMS65
Total drug cost$2.7M
Part D patients985

Dr. Williamson's Part D claims by kind of drug, 2024

  • Generic5,562 claims75%
  • Brand-name1,838 claims25%

Dr. Williamson's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Williamson's Part D claims, 2024

  • Antibiotics0%18 of 7,400 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 6,8722024: 7,1694%

Drugs named by CMS: 65 in 2024, 63 in 2023.

See all prescribing by Dr. Williamson

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Brian D. Williamson scored 84 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Williamson for performance year 2024, reported as part of a group. Dr. Williamson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 17 procedures of pacemaker insertion or repair by Dr. Williamson, more than 68% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Williamson's MIPS scores, performance year 2024

  • 84of 100Final score
  • 66.7of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 71of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Williamson ranks in Medicare procedure volume

Pacemaker insertion or repair
68th percentile17 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Brian D. Williamson received $107,841 in industry payments from 2016 to 2025

CMS Open Payments shows 685 general payments to Dr. Williamson from 36 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 42% of the total. Abbott Laboratories paid the most, $36,626.

General payments to Dr. Williamson by program year, 2016 to 2025

General payments to Dr. Williamson by kind, 2016 to 2025

$107.8Kin total
  • Travel and lodging$45,32242%
  • Consulting fees$27,79626%
  • Food and beverage$19,79818%
  • Speaker and faculty fees$14,91314%
  • Education$120%

Companies that paid Dr. Williamson the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Williamson

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Brian D. Williamson graduated from Ohio State University College of Medicine

Dr. Williamson graduated from Ohio State University College of Medicine in 1986.

  1. Medical schoolOhio State University College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Brian D. Williamson's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Brian D. Williamson

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Brian D. Williamson's NPI number?

Dr. Brian D. Williamson's NPI number is 1255313268. It was assigned on November 16, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Brian D. Williamson?

Dr. Brian D. Williamson is a cardiac electrophysiologist in Southfield, Michigan. The primary specialty in the NPI Registry is Clinical Cardiac Electrophysiology Physician (taxonomy code 207RC0001X).

Where does Dr. Brian D. Williamson practice?

Dr. Williamson practices at 26901 Beaumont Blvd, Suite 169, Southfield, MI 48033. Dr. Williamson's primary practice is Corewell Health Children's PATCH Program in Southfield, Michigan. Dmand AI also links Dr. Williamson to 4 hospitals, 2 group practices and clinics and 1 medical group.

What is Dr. Brian D. Williamson's office phone number?

The practice phone on file for Dr. Williamson is (947) 522-1495.

What is Dr. Brian D. Williamson's medical license number?

Dr. Williamson holds Michigan license 4301407031.

Which hospitals is Dr. Brian D. Williamson affiliated with?

Dr. Williamson is affiliated with Corewell Health William Beaumont University Hospital. Dmand AI links Dr. Williamson to 4 more hospitals.

What medical group is Dr. Brian D. Williamson part of?

Dr. Williamson is linked to Beaumont Medical Group - Specialty Services. Dmand AI links Dr. Williamson to 1 more medical group.

Does Dr. Brian D. Williamson accept Medicare?

Yes. CMS data shows Dr. Williamson billed Medicare for 4,461 services in 2024, and Dr. Williamson accepts Medicare assignment.

What is Dr. Brian D. Williamson's MIPS score?

Dr. Williamson's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.

How many Medicare patients does Dr. Brian D. Williamson see?

CMS counts 1,506 Medicare patients who saw Dr. Williamson in 2024, with an average age of 78.

Show 5 more questionsShow fewer questions

What services does Dr. Brian D. Williamson bill to Medicare?

In 2024, Dr. Williamson's most billed Medicare services were heart test or procedure (93296), heart test or procedure (93000) and heart test or procedure (93295).

Where did Dr. Brian D. Williamson go to medical school?

Dr. Williamson graduated from Ohio State University College of Medicine in 1986.

What drugs does Dr. Brian D. Williamson prescribe most?

In 2024 Medicare Part D data, Dr. Williamson's most prescribed drugs by claims were Eliquis, Metoprolol Succinate and Carvedilol.

Has Dr. Brian D. Williamson received payments from drug or device companies?

CMS Open Payments shows $107,841 in general payments to Dr. Williamson from 36 companies from 2016 to 2025. The largest total came from Abbott Laboratories.

How long has Dr. Brian D. Williamson been practicing?

Dr. Williamson graduated from medical school in 1986, 40 years ago.

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