Dr. David A. Janssen, MD
- Medicare services, 2024
- 81
- Medicare patients, 2024
- 66
- Part D claims, 2024
- 106
- Hospital affiliations
- 1
- Industry payments
- $61,184
- Practice address
- 130 2nd St, Neenah, WI 54956
- Practice phone
- Call (920) 729-3100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Janssen'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. David A. Janssen is a plastic surgeon in Neenah, Wisconsin
Dr. Janssen practices at ThedaCare Regional Medical Center-Neenah in Neenah, Wisconsin, part of Froedtert ThedaCare Health.
Dr. Janssen's NPI, 1366420812, was assigned on January 5, 2006. Dr. Janssen graduated from University of Wisconsin School of Medicine in 1986. Dr. Janssen holds Wisconsin license 34699-20.
- NPI
- 1366420812NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476465378
- NPI enumeration date
- January 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (920) 729-3100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- 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. David A. Janssen practices at ThedaCare Regional Medical Center-Neenah in Neenah, Wisconsin
Dr. Janssen's primary practice is ThedaCare Regional Medical Center-Neenah, at 130 2nd St, Neenah, WI 54956 in Winnebago County. The practice phone is (920) 729-3100.
- ThedaCare Regional Medical Center-Neenah130 2nd St, Neenah, WI 54956 · Winnebago CountyPhone(920) 729-3100
Source: Dmand AI Affiliation Data
Dr. David A. Janssen is affiliated with 2 sites of care and 1 medical group
Dr. Janssen's primary practice is ThedaCare Regional Medical Center-Neenah in Neenah, Wisconsin, part of Froedtert ThedaCare Health. The medical group on file is Fox Valley Plastic Surgery. Dmand AI also links Dr. Janssen to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David A. Janssen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Janssen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| ThedaCare Regional Medical Center-Neenah | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Froedtert ThedaCare Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. David A. Janssen is one of 81 plastic surgeons in Wisconsin
Plastic surgery is Dr. Janssen's primary specialty in the NPI Registry, under taxonomy code 208200000X. Dr. Janssen is licensed in Wisconsin.
Specialties and state licenses
- Plastic surgery, WisconsinPrimary
Plastic surgeons near Dr. Janssen
Counts of plastic surgeons 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. David A. Janssen billed Medicare for 81 services in 2024
CMS data shows 81 Medicare services from Dr. Janssen across 4 procedure codes in 2024, for 66 Medicare patients. Medicare paid $7,998 for them. Every service was in an office.
Dr. Janssen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 682024: 663%
- Drugs given in the office
- 2023: 02024: 15
- Tests and treatments
- 2023: 362024: 0100%
Dr. Janssen compared with the Wisconsin median for plastic surgeons, 2024
- Dr. Janssen
- Wisconsin median
- Medicare services
- 81vs 4580% above
- Medicare patients
- 66vs 64Close to median
- Part D claims
- 87vs 224.0 times
Medians across 72 plastic surgeons in Wisconsin with Dmand AI profiles that report each measure.
Dr. Janssen'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.
Need commercial claims for Dr. Janssen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Janssen and other plastic surgeons in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David A. Janssen treated 66 Medicare patients in 2024, average age 73
CMS counts 66 Medicare patients who saw Dr. Janssen in 2024. The largest group is 65 to 74, with 41 patients. 75% of them have high cholesterol, and 59% have high blood pressure. Their average risk score is 0.93, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Janssen's median patient age at 59, with 83% women.
Dr. Janssen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Janssen's Medicare patients by sex, 2024
- Women5279%
- Men1421%
Chronic conditions among Dr. Janssen's Medicare patients, 2024
- High cholesterol75%
- High blood pressure59%
- Arthritis52%
- Mood disorders27%
- Depression26%
- Anxiety23%
- Ischemic heart disease23%
- Cancer20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Janssen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women83%
- Men17%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David A. Janssen wrote 106 Medicare Part D claims in 2024
In 2024, Dr. Janssen wrote 106 Medicare Part D claims for 33 patients. 99% of them were for generic drugs. CMS names the drug for 87 of them, across 1 drug with 11 or more claims each, at $2,401 in total drug cost. In 2023, CMS named 79 claims across 2 drugs.
Dr. Janssen's Part D claims by kind of drug, 2024
- Generic105 claims99%
- Brand-name and other1 claims1%
Dr. Janssen'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 792024: 8710%
Drugs named by CMS: 1 in 2024, 2 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. David A. Janssen takes part in Medicare
Dr. Janssen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
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)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Varicose vein removal: 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. David A. Janssen received $61,184 in industry payments from 2016 to 2025
CMS Open Payments shows 186 general payments to Dr. Janssen from 34 drug and device companies from 2016 to 2025. Acquisitions make up the largest share, 82% of the total. Surgical Innovation Associates, Inc. paid the most, $50,000.
General payments to Dr. Janssen by program year, 2016 to 2025
General payments to Dr. Janssen by kind, 2016 to 2025
- Acquisitions$50,00082%
- Food and beverage$6,20210%
- Travel and lodging$2,7675%
- Consulting fees$2,2154%
Companies that paid Dr. Janssen the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David A. Janssen graduated from University of Wisconsin School of Medicine
Dr. Janssen graduated from University of Wisconsin School of Medicine in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David A. Janssen'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 DataDmand AI Org Hierarchy 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) |
| 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. David A. Janssen
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. David A. Janssen's NPI number?
Dr. David A. Janssen's NPI number is 1366420812. It was assigned on January 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David A. Janssen?
Dr. David A. Janssen is a plastic surgeon in Neenah, Wisconsin. The primary specialty in the NPI Registry is Plastic Surgery Physician (taxonomy code 208200000X).
Where does Dr. David A. Janssen practice?
Dr. Janssen practices at 130 2nd St, Neenah, WI 54956. Dr. Janssen's primary practice is ThedaCare Regional Medical Center-Neenah in Neenah, Wisconsin, part of Froedtert ThedaCare Health. Dmand AI also links Dr. Janssen to 1 group practice or clinic.
What is Dr. David A. Janssen's office phone number?
The practice phone on file for Dr. Janssen is (920) 729-3100.
What is Dr. David A. Janssen's medical license number?
Dr. Janssen holds Wisconsin license 34699-20.
Which hospitals is Dr. David A. Janssen affiliated with?
Dr. Janssen practices at ThedaCare Regional Medical Center-Neenah in Neenah, Wisconsin.
What medical group is Dr. David A. Janssen part of?
Dr. Janssen is linked to Fox Valley Plastic Surgery.
Does Dr. David A. Janssen accept Medicare?
Yes. CMS data shows Dr. Janssen billed Medicare for 81 services in 2024, and Dr. Janssen accepts Medicare assignment.
How many Medicare patients does Dr. David A. Janssen see?
CMS counts 66 Medicare patients who saw Dr. Janssen in 2024, with an average age of 73.
What services does Dr. David A. Janssen bill to Medicare?
In 2024, Dr. Janssen's most billed Medicare services were office visit, established patient (99212), office visit, new patient (99203) and injected or infused drug (J7308).
Show 4 more questionsShow fewer questions
Where did Dr. David A. Janssen go to medical school?
Dr. Janssen graduated from University of Wisconsin School of Medicine in 1986.
What drugs does Dr. David A. Janssen prescribe most?
In 2024 Medicare Part D data, Dr. Janssen's most prescribed drugs by claims were Progesterone.
Has Dr. David A. Janssen received payments from drug or device companies?
CMS Open Payments shows $61,184 in general payments to Dr. Janssen from 34 companies from 2016 to 2025. The largest total came from Surgical Innovation Associates, Inc.
How long has Dr. David A. Janssen been practicing?
Dr. Janssen graduated from medical school in 1986, 40 years ago.
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