Brad A. Johnson, MD
Critical Care Medicine (Internal Medicine) Physician · Greenfield, WI
Brad A. Johnson, MD is a critical care medicine (internal medicine) physician with a practice address in Greenfield, Wisconsin, and NPI 1013250737, issued on Apr 1, 2013. Check the license (Wisconsin 20554, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Brad A. Johnson
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- 20554 WI
Self-reported in NPPES; status is on the state search - Practice location
- 6901 W Edgerton Ave, Greenfield, WI 53220
- Phone
- (414) 421-8400
- Enumerated
- Apr 1, 2013
- Record last updated
- Jul 15, 2024
- Medicaid IDs
- 1036645 WA
100174759 WI - Medicare enrollment
- Enrolled (PECOS I20210726003654); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 2013
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 134 in Wisconsin → Look up another NPI →
Also registered at 6901 W Edgerton Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emily AkulaPhysician Assistant1144922386
- David Arendt, MD, PHDPediatrics Physician1194306381
- James Bode, APRN-BCNurse Practitioner1457373276
- Rica Canseco, MDFamily Medicine Physician1538348537
- Gina Centeno, MS, PA-CPhysician Assistant1689952426
- Shahzad Chaudhry, MDFamily Medicine Physician1457745630
Verify Brad A. Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 20554Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
191 Medicare Part D claims for 61 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Gabapentin60 claims
- Meloxicam58 claims
- Diclofenac Sodium23 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $39.62
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 2,708 providers of this specialty with any payment received $2,958.68 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Aurora Medical Group, Inc.Milwaukee, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brad A. Johnson among 134 critical care medicine (internal medicine) physician records in Wisconsin
Brad A. Johnson, MD is one of 134 critical care medicine (internal medicine) physician records with a practice address in Wisconsin. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 56% of them.
- NPI issued2013 · 56% of these records are older, 40% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2013 · median 2008 among the 108 with a school on file
- Record last updated2024 · 32% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Wisconsin
There are 134 critical care medicine (internal medicine) physician records in Wisconsin.
All 134 in Wisconsin → Every provider in Greenfield → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Santo Diaz, M.D.Greenfield, WI 532201821143108
- Majdi Al Nabulsi, MDMilwaukee, WI 532151063958114
- Rodolfo Alpizar-Rivas, MDMilwaukee, WI 532151427579457
- Luke Collins, MDMilwaukee, WI 532151679006068
- Vladyslav Dieiev, MDMilwaukee, WI 532151962855627
- Kiranpreet Gosal, DOMilwaukee, WI 532151093274896
- Joseph Michael Le Lim, MDMilwaukee, WI 532151548822588
- Katerina Meassick, DOMilwaukee, WI 532151699356642
Common questions
What is Brad A. Johnson, MD's NPI number?
Brad A. Johnson, MD's National Provider Identifier (NPI) is 1013250737, issued on Apr 1, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Brad A. Johnson, MD located?
The NPPES record lists a practice address at 6901 W Edgerton Ave, Greenfield, WI, 53220. Phone: (414) 421-8400. Providers update this record themselves, so call before visiting.
How can I verify Brad A. Johnson, MD's license?
NPPES lists Wisconsin license number 20554, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Brad A. Johnson, MD prescribe under Medicare Part D?
In 2024, Brad A. Johnson, MD had 191 Medicare Part D claims for 61 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.