Dr. Michael Charles Janowak, MD
- Medicare services, 2024
- 1,524
- Medicare patients, 2024
- 418
- Part D claims, 2024
- 441
- Industry payments
- $808
- Affiliated sites
- 1
- Practice address
- 888 Thackeray Trl, Oconomowoc, WI 53066
- Practice phone
- Call (262) 567-0505
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Central Otologic Ltd
Oconomowoc, Wisconsin
Find Dr. Janowak's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Michael Charles Janowak is an otolaryngologist in Oconomowoc, Wisconsin
Dr. Janowak practices at Central Otologic Ltd in Oconomowoc, Wisconsin.
Dr. Janowak's NPI, 1285601070, was assigned on March 1, 2006. Dr. Janowak graduated from Loyola University of Chicago, Stritch School of Medicine in 1972. Dr. Janowak holds Wisconsin license 18235.
- NPI
- 1285601070NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496738601
- NPI enumeration date
- March 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (262) 567-0505
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 80
- Medical school graduation
- 1972
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael Charles Janowak practices at Central Otologic Ltd in Oconomowoc, Wisconsin
Dr. Janowak's primary practice is Central Otologic Ltd, at 888 Thackeray Trl, Oconomowoc, WI 53066 in Waukesha County. The practice phone is (262) 567-0505.
- Central Otologic Ltd888 Thackeray Trl, Oconomowoc, WI 53066 · Waukesha CountyPhone(262) 567-0505
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Michael Charles Janowak is affiliated with 2 sites of care and 1 medical group
Dr. Janowak's primary practice is Central Otologic Ltd in Oconomowoc, Wisconsin. The medical group on file is Central Otologic. Dmand AI also links Dr. Janowak to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Michael Charles Janowak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Janowak practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Central Otologic Ltd | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael Charles Janowak is one of 185 otolaryngologists in Wisconsin
Otolaryngology is Dr. Janowak's primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dr. Janowak is licensed in Wisconsin.
Specialties and state licenses
- Otolaryngology, WisconsinPrimary
Otolaryngologists near Dr. Janowak
Counts of otolaryngologists 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 Charles Janowak billed Medicare for 1,524 services in 2024
CMS data shows 1,524 Medicare services from Dr. Janowak across 6 procedure codes in 2024, for 418 Medicare patients. Medicare paid $66,966 for them. Every service was in an office.
Dr. Janowak's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9452024: 8629%
- Tests and treatments
- 2023: 3252024: 51157%
- Surgery
- 2023: 1842024: 15118%
Dr. Janowak compared with the Wisconsin median for otolaryngologists, 2024
- Dr. Janowak
- Wisconsin median
- Medicare services
- 1,524vs 2675.7 times
- Medicare patients
- 418vs 1702.5 times
- Part D claims
- 393vs 1303.0 times
Medians across 200 otolaryngologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Janowak'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. Janowak and other otolaryngologists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Charles Janowak treated 418 Medicare patients in 2024, average age 78
CMS counts 418 Medicare patients who saw Dr. Janowak in 2024. The largest group is 75 to 84, with 146 patients. 73% of them have high cholesterol, and 71% have high blood pressure. 9% are also on Medicaid. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Janowak's median patient age at 77, with 56% women.
Dr. Janowak's Medicare patients by age, 2024
Dr. Janowak's Medicare patients by sex, 2024
- Women24158%
- Men17742%
Chronic conditions among Dr. Janowak's Medicare patients, 2024
- High cholesterol73%
- High blood pressure71%
- Arthritis47%
- Chronic kidney disease25%
- Ischemic heart disease25%
- Atrial fibrillation22%
- Anxiety21%
- Diabetes20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Janowak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael Charles Janowak wrote 441 Medicare Part D claims in 2024
In 2024, Dr. Janowak wrote 441 Medicare Part D claims for 216 patients. 98% of them were for generic drugs. CMS names the drug for 393 of them, across 12 drugs with 11 or more claims each, at $4,581 in total drug cost. In 2023, CMS named 309 claims across 9 drugs.
Dr. Janowak's Part D claims by kind of drug, 2024
- Generic432 claims98%
- Brand-name and other9 claims2%
Dr. Janowak'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. Janowak's Part D claims, 2024
- Antibiotics37%165 of 441 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: 3092024: 39327%
Drugs named by CMS: 12 in 2024, 9 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 Charles Janowak takes part in Medicare
Dr. Janowak 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. Michael Charles Janowak received $808 in industry payments from 2016 to 2024
CMS Open Payments shows 35 general payments to Dr. Janowak from 8 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $312.
General payments to Dr. Janowak by program year, 2016 to 2024
Companies that paid Dr. Janowak the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael Charles Janowak graduated from Loyola University of Chicago, Stritch School of Medicine
Dr. Janowak graduated from Loyola University of Chicago, Stritch School of Medicine in 1972.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael Charles Janowak'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| 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 Charles Janowak
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 Charles Janowak's NPI number?
Dr. Michael Charles Janowak's NPI number is 1285601070. It was assigned on March 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Charles Janowak?
Dr. Michael Charles Janowak is an otolaryngologist in Oconomowoc, Wisconsin. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).
Where does Dr. Michael Charles Janowak practice?
Dr. Janowak practices at 888 Thackeray Trl, Oconomowoc, WI 53066. Dr. Janowak's primary practice is Central Otologic Ltd in Oconomowoc, Wisconsin. Dmand AI also links Dr. Janowak to 1 group practice or clinic.
What is Dr. Michael Charles Janowak's office phone number?
The practice phone on file for Dr. Janowak is (262) 567-0505.
What is Dr. Michael Charles Janowak's medical license number?
Dr. Janowak holds Wisconsin license 18235.
What medical group is Dr. Michael Charles Janowak part of?
Dr. Janowak is linked to Central Otologic.
Does Dr. Michael Charles Janowak accept Medicare?
Yes. CMS data shows Dr. Janowak billed Medicare for 1,524 services in 2024, and Dr. Janowak accepts Medicare assignment.
How many Medicare patients does Dr. Michael Charles Janowak see?
CMS counts 418 Medicare patients who saw Dr. Janowak in 2024, with an average age of 78.
What services does Dr. Michael Charles Janowak bill to Medicare?
In 2024, Dr. Janowak's most billed Medicare services were office visit, established patient (99213), allergy test or treatment (95115) and allergy test or treatment (95165).
Where did Dr. Michael Charles Janowak go to medical school?
Dr. Janowak graduated from Loyola University of Chicago, Stritch School of Medicine in 1972.
Show 3 more questionsShow fewer questions
What drugs does Dr. Michael Charles Janowak prescribe most?
In 2024 Medicare Part D data, Dr. Janowak's most prescribed drugs by claims were Fluticasone Propionate, Azithromycin and Amoxicillin.
Has Dr. Michael Charles Janowak received payments from drug or device companies?
CMS Open Payments shows $808 in general payments to Dr. Janowak from 8 companies from 2016 to 2024. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Michael Charles Janowak been practicing?
Dr. Janowak graduated from medical school in 1972, 54 years ago.
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