Dr. Michael D. Johnson, MD
- Medicare services, 2024
- 4,024
- Medicare patients, 2024
- 443
- Part D claims, 2024
- 1,899
- Publications
- 18
- Hospital affiliations
- 3
- Practice address
- 2920 Superior Ave, Sheboygan, WI 53081-1944
- Practice phone
- Call (920) 452-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sheboygan Physicians Group, SC
Primary care practice · Sheboygan, Wisconsin
Find Dr. Johnson's professional email, personal email and mobile number
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Dr. Michael D. Johnson is an internist in Sheboygan, Wisconsin
Dr. Johnson practices at Sheboygan Physicians Group, SC in Sheboygan, Wisconsin.
Dr. Johnson's NPI, 1689642845, was assigned on March 14, 2006. Dr. Johnson graduated from Ohio State University College of Medicine in 1997. Dr. Johnson holds Wisconsin license 42241020.
- NPI
- 1689642845NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1254363807
- NPI enumeration date
- March 14, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (920) 452-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael D. Johnson practices at Sheboygan Physicians Group, SC in Sheboygan, Wisconsin
Dr. Johnson's primary practice is Sheboygan Physicians Group, SC, at 2920 Superior Ave, Sheboygan, WI 53081-1944. The practice phone is (920) 452-6000.
- Sheboygan Physicians Group, SC2920 Superior Ave, Sheboygan, WI 53081-1944Phone(920) 452-6000
Source: Dmand AI Affiliation Data
Dr. Michael D. Johnson is affiliated with 7 sites of care and 1 medical group
Dr. Johnson's primary practice is Sheboygan Physicians Group, SC in Sheboygan, Wisconsin. Dr. Johnson is also affiliated with Aurora Medical Center - Sheboygan County. The medical group on file is Sheboygan Internal Medicine Associates. Dmand AI also links Dr. Johnson to 2 more hospitals, 1 dialysis center, 1 home health agency and 1 skilled nursing facility, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Michael D. Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sheboygan Physicians Group, SC | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael D. Johnson is one of 1,675 internists in Wisconsin
Internal medicine is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Johnson is licensed in Wisconsin.
Specialties and state licenses
- Internal medicine, WisconsinPrimary
Internists near Dr. Johnson
Counts of internists 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. Michael D. Johnson billed Medicare for 4,024 services in 2024
CMS data shows 4,024 Medicare services from Dr. Johnson across 45 procedure codes in 2024, for 443 Medicare patients. Medicare paid $147,541 for them.
Dr. Johnson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 2,0512024: 2,0952%
- Surgery
- 2023: 5952024: 5429%
- Other services
- 2023: 5162024: 516No change
- Office and hospital visits
- 2023: 6022024: 47721%
- Tests and treatments
- 2023: 3092024: 39428%
Where Dr. Johnson's Medicare services took place, 2024
- In an office4,00299%
- In a facility221%
Dr. Johnson compared with the Wisconsin median for internists, 2024
- Dr. Johnson
- Wisconsin median
- Medicare services
- 4,024vs 4578.8 times
- Medicare patients
- 443vs 1992.2 times
- Part D claims
- 1,404vs 4333.2 times
Medians across 1,658 internists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Johnson'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Johnson and other internists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael D. Johnson treated 443 Medicare patients in 2024, average age 74
CMS counts 443 Medicare patients who saw Dr. Johnson in 2024. The largest group is 65 to 74, with 214 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 6% are also on Medicaid. Their average risk score is 1.31, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 68, with 48% women.
Dr. Johnson's Medicare patients by age, 2024
Dr. Johnson's Medicare patients by sex, 2024
- Women20045%
- Men24355%
Chronic conditions among Dr. Johnson's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis42%
- Ischemic heart disease40%
- Chronic kidney disease38%
- Diabetes37%
- Heart failure24%
- Mood disorders22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Johnson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women48%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael D. Johnson wrote 1,899 Medicare Part D claims in 2024
In 2024, Dr. Johnson wrote 1,899 Medicare Part D claims for 442 patients. 85% of them were for generic drugs. CMS names the drug for 1,404 of them, across 42 drugs with 11 or more claims each, at $192,545 in total drug cost. In 2023, CMS named 1,264 claims across 45 drugs.
Dr. Johnson's Part D claims by kind of drug, 2024
- Generic1,623 claims85%
- Brand-name and other276 claims15%
Dr. Johnson'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. Johnson's Part D claims, 2024
- Opioids2%31 of 1,899 claims
- Antibiotics2%29 of 1,899 claims
- Antipsychotics, patients 65 and over1%14 of 1,899 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: 1,2642024: 1,40411%
Drugs named by CMS: 42 in 2024, 45 in 2023.
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. Michael D. Johnson takes part in Medicare
Dr. Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Michael D. Johnson has 18 publications on record
Dmand AI links 18 papers to Dr. Johnson, published from 2011 to 2024. 2012 was the busiest year, with 3. The most frequent topics are Cats, Motor Neurons and Muscle, Skeletal. Dr. Johnson has published most often in J Neurophysiol. Dr. Johnson's most frequent co-authors are Chandan Gopal Reddy, MD, Saul Wilson, MD and Brian David Dalm, MD.
Dr. Johnson's papers by year, 2011 to 2024
Topics Dr. Johnson writes about most
- Cats
- Motor Neurons
- Muscle, Skeletal
- Spinal Cord Injuries
- Electric Stimulation
- Electromyography
- Spinal Cord
- Hindlimb
Dr. Johnson's most frequent co-authors
- Chandan Gopal Reddy, MD2 shared papers
- Saul Wilson, MD2 shared papers
- Brian David Dalm, MD1 shared paper
Recent publications by Dr. Johnson
J Appl Physiol (1985)
See who Dr. Johnson researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Johnson works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Michael D. Johnson received $7,337 in industry payments from 2017 to 2025
CMS Open Payments shows 12 general payments to Dr. Johnson from 5 drug and device companies from 2017 to 2025. Gifts make up the largest share, 99% of the total. Tosoh Bioscience, Inc. paid the most, $7,242.
General payments to Dr. Johnson by program year, 2017 to 2025
General payments to Dr. Johnson by kind, 2017 to 2025
- Gifts$7,24299%
- Food and beverage$951%
Companies that paid Dr. Johnson the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael D. Johnson graduated from Ohio State University College of Medicine
Dr. Johnson graduated from Ohio State University College of Medicine in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael D. Johnson's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Michael D. Johnson
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. Michael D. Johnson's NPI number?
Dr. Michael D. Johnson's NPI number is 1689642845. It was assigned on March 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael D. Johnson?
Dr. Michael D. Johnson is an internist in Sheboygan, Wisconsin. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Michael D. Johnson practice?
Dr. Johnson practices at 2920 Superior Ave, Sheboygan, WI 53081-1944. Dr. Johnson's primary practice is Sheboygan Physicians Group, SC in Sheboygan, Wisconsin. Dmand AI also links Dr. Johnson to 2 hospitals, 1 dialysis center, 1 home health agency and 1 skilled nursing facility.
What is Dr. Michael D. Johnson's office phone number?
The practice phone on file for Dr. Johnson is (920) 452-6000.
What is Dr. Michael D. Johnson's medical license number?
Dr. Johnson holds Wisconsin license 42241020.
Which hospitals is Dr. Michael D. Johnson affiliated with?
Dr. Johnson is affiliated with Aurora Medical Center - Sheboygan County. Dmand AI links Dr. Johnson to 2 more hospitals.
What medical group is Dr. Michael D. Johnson part of?
Dr. Johnson is linked to Sheboygan Internal Medicine Associates.
Does Dr. Michael D. Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 4,024 services in 2024, and Dr. Johnson accepts Medicare assignment.
How many Medicare patients does Dr. Michael D. Johnson see?
CMS counts 443 Medicare patients who saw Dr. Johnson in 2024, with an average age of 74.
What services does Dr. Michael D. Johnson bill to Medicare?
In 2024, Dr. Johnson's most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99214) and medicare service (G0439).
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Where did Dr. Michael D. Johnson go to medical school?
Dr. Johnson graduated from Ohio State University College of Medicine in 1997.
What drugs does Dr. Michael D. Johnson prescribe most?
In 2024 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Lisinopril.
Has Dr. Michael D. Johnson received payments from drug or device companies?
CMS Open Payments shows $7,337 in general payments to Dr. Johnson from 5 companies from 2017 to 2025. The largest total came from Tosoh Bioscience, Inc.
How long has Dr. Michael D. Johnson been practicing?
Dr. Johnson graduated from medical school in 1997, 29 years ago.
Does Dr. Michael D. Johnson do research?
Dmand AI links 18 publications to Dr. Johnson, published from 2011 to 2024.
Who does Dr. Michael D. Johnson publish with?
Dr. Johnson's most frequent co-authors are Chandan Gopal Reddy, MD (2 shared papers), Saul Wilson, MD (2 shared papers) and Brian David Dalm, MD (1 shared paper).
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