Dr. Brian Lewis, MD

  • Madison, WI
  • Geriatric medicine (internal medicine) physician
NPI1235525015PAC ID0143537456
Medicare services, 2019
68
Part D claims, 2024
488
Publications
3
Hospital affiliations
5
Industry payments
$28
Practice address
2500 Overlook Ter, Madison, WI 53705
Practice phone
Call (608) 280-7036
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Veteran Health Administration

Madison, Wisconsin

See all 21 affiliations

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Dr. Brian Lewis is a geriatric medicine (internal medicine) physician in Madison, Wisconsin

Dr. Lewis practices at Veteran Health Administration in Madison, Wisconsin.

Dr. Lewis' NPI, 1235525015, was assigned on April 8, 2015. Dr. Lewis holds Wisconsin license 66862.

NPI and contact details
Medicare PAC ID
0143537456
NPI enumeration date
April 8, 2015
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(608) 280-7036
Professional email
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Personal email
Get email
Mobile number
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Sex
Male
Estimated age
37
Medical school graduation
2015

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

Dr. Brian Lewis practices at Veteran Health Administration in Madison, Wisconsin

Dr. Lewis' primary practice is Veteran Health Administration, at 2500 Overlook Ter, Madison, WI 53705 in Dane County. The practice phone is (608) 280-7036.

  • Veteran Health Administration
    2500 Overlook Ter, Madison, WI 53705 · Dane CountyPhone(608) 280-7036

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Brian Lewis is affiliated with 20 sites of care and 1 medical group

Dr. Lewis' primary practice is Veteran Health Administration in Madison, Wisconsin. Dr. Lewis is also affiliated with M Health Fairview University of Minnesota Medical Center. The medical group on file is Twin Cities Physicians. Dmand AI also links Dr. Lewis to 4 more hospitals, 5 hospices, 5 skilled nursing facilities, 3 home health agencies and 1 group practice or clinic, each named with a free account.

See all 21 affiliations for Dr. Lewis

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Brian Lewis' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lewis practices, 19 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Veteran Health AdministrationAvailable with a free account
+19 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Brian Lewis is one of 81 geriatric medicine (internal medicine) physicians in Wisconsin

Geriatric medicine is Dr. Lewis' primary specialty in the NPI Registry, under taxonomy code 207RG0300X. Dr. Lewis is licensed in Wisconsin.

Specialties and state licenses

  • Geriatric medicine (internal medicine), WisconsinPrimaryLicense 66862 · taxonomy 207RG0300X

Geriatric medicine (internal medicine) physicians near Dr. Lewis

Counts of geriatric medicine (internal medicine) physicians with a Dmand AI profile, by place and practice. Each opens the list.

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

Dr. Brian Lewis billed Medicare for 68 services in 2019

CMS data shows 68 Medicare services from Dr. Lewis across 2 procedure codes in 2019, all of them office visits. Medicare paid $2,272 for them. Every service was in an office.

Medicare services, 201968
Paid by Medicare$2,272
Procedure codes2

Dr. Lewis' Medicare services by type, 2018 to 2019

  • 2018
  • 2019
Office and hospital visits
2018: 802019: 6815%

Dr. Lewis compared with the Wisconsin median for geriatric medicine (internal medicine) physicians, 2019

  • Dr. Lewis
  • Wisconsin median
Medicare services
68vs 32679% below
Part D claims
412vs 28843% above

Medians across 84 geriatric medicine (internal medicine) physicians in Wisconsin with Dmand AI profiles that report each measure.

Dr. Lewis' most billed Medicare procedure codes, 2019

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. Lewis

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lewis and other geriatric medicine (internal medicine) physicians in Wisconsin.

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

Dr. Brian Lewis' patients have a median age of 78

Across all payers, Dmand AI patient panel data puts Dr. Lewis' median patient age at 78, with 57% women.

Dr. Lewis' patients across all payers

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

Patient panel by age, all payers

Median age 78

Patient panel by sex, all payers

  • Women57%
  • Men43%

Source: Dmand AI Patient Panel Data

Dr. Brian Lewis wrote 488 Medicare Part D claims in 2024

In 2024, Dr. Lewis wrote 488 Medicare Part D claims for 16 patients. 97% of them were for generic drugs. CMS names the drug for 412 of them, across 19 drugs with 11 or more claims each, at $7,550 in total drug cost. In 2023, CMS named 260 claims across 14 drugs.

Part D claims, 2024488
Drugs named by CMS19
Total drug cost$7,550
Part D patients16

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

  • Generic471 claims97%
  • Brand-name and other17 claims3%

Dr. Lewis' 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. Lewis' Part D claims, 2024

  • Antipsychotics, patients 65 and over7%34 of 488 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: 2602024: 41258%

Drugs named by CMS: 19 in 2024, 14 in 2023.

See all prescribing by Dr. Lewis

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

How Dr. Brian Lewis takes part in Medicare

Dr. Lewis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Brian Lewis has 3 publications on record

Dmand AI links 3 papers to Dr. Lewis, published from 2017 to 2022. Dr. Lewis' most frequent co-authors are Neil C. Binkley, MD, Bjoern Buehring, MD and Kristine E. Ensrud, MD.

Papers3
Years published2017 to 2022

Dr. Lewis' most frequent co-authors

Recent publications by Dr. Lewis

See all 3 publications and co-authors

See who Dr. Lewis researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lewis works with, so you can find a warm path to the right geriatric medicine (internal medicine) physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Brian Lewis received $28 in industry payments in 2019

CMS Open Payments shows 1 general payment to Dr. Lewis from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Zimmer Biomet Holdings, Inc. paid the most, $28.

Companies that paid Dr. Lewis the most, 2019 to 2019

Share is of all general payments to this clinician.

See all payments to Dr. Lewis

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

Sources for Dr. Brian Lewis'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 Data
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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 Lewis

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 Lewis' NPI number?

Dr. Brian Lewis' NPI number is 1235525015. It was assigned on April 8, 2015, and it is active in the NPI Registry.

What kind of doctor is Dr. Brian Lewis?

Dr. Brian Lewis is a geriatric medicine (internal medicine) physician in Madison, Wisconsin. The primary specialty in the NPI Registry is Geriatric Medicine (Internal Medicine) Physician (taxonomy code 207RG0300X).

Where does Dr. Brian Lewis practice?

Dr. Lewis practices at 2500 Overlook Ter, Madison, WI 53705. Dr. Lewis' primary practice is Veteran Health Administration in Madison, Wisconsin. Dmand AI also links Dr. Lewis to 4 hospitals, 5 hospices, 5 skilled nursing facilities, 3 home health agencies and 1 group practice or clinic.

What is Dr. Brian Lewis' office phone number?

The practice phone on file for Dr. Lewis is (608) 280-7036.

What is Dr. Brian Lewis' medical license number?

Dr. Lewis holds Wisconsin license 66862.

Which hospitals is Dr. Brian Lewis affiliated with?

Dr. Lewis is affiliated with M Health Fairview University of Minnesota Medical Center. Dmand AI links Dr. Lewis to 4 more hospitals.

What medical group is Dr. Brian Lewis part of?

Dr. Lewis is linked to Twin Cities Physicians.

Does Dr. Brian Lewis accept Medicare?

Yes. CMS data shows Dr. Lewis billed Medicare for 68 services in 2019, and Dr. Lewis accepts Medicare assignment.

What services does Dr. Brian Lewis bill to Medicare?

In 2019, Dr. Lewis' most billed Medicare services were office visit, established patient (99213) and office visit, established patient (99214).

What drugs does Dr. Brian Lewis prescribe most?

In 2024 Medicare Part D data, Dr. Lewis' most prescribed drugs by claims were Tamsulosin HCl, Atorvastatin Calcium and Sertraline HCl.

Show 4 more questionsShow fewer questions

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

CMS Open Payments shows $28 in general payments to Dr. Lewis from 1 company from 2019 to 2019. The largest total came from Zimmer Biomet Holdings, Inc.

How long has Dr. Brian Lewis been practicing?

Dr. Lewis graduated from medical school in 2015, 11 years ago.

Does Dr. Brian Lewis do research?

Dmand AI links 3 publications to Dr. Lewis, published from 2017 to 2022.

Who does Dr. Brian Lewis publish with?

Dr. Lewis' most frequent co-authors are Neil C. Binkley, MD (1 shared paper), Bjoern Buehring, MD (1 shared paper) and Kristine E. Ensrud, MD (1 shared paper).

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