Chad E. Hermsdorf, PA-C
- Medicare patients, 2024
- 25
- Part D claims, 2024
- 28
- Hospital affiliations
- 2
- Industry payments
- $52
- Medical group
- 1
- Practice address
- 1000 Mineral Point Ave, Janesville, WI 53548
- Practice phone
- Call (608) 756-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mercyhealth Hospital and Trauma Center - Outpatient Therapy - Janesville
Physical Therapy Clinic · Janesville, Wisconsin
Find Chad Hermsdorf'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.
Chad E. Hermsdorf is a physician assistant in Janesville, Wisconsin
Chad Hermsdorf practices at Mercyhealth Hospital and Trauma Center - Outpatient Therapy - Janesville in Janesville, Wisconsin.
Chad Hermsdorf's NPI, 1952369134, was assigned on May 3, 2006. Chad Hermsdorf holds Wisconsin license 1741-023.
- NPI
- 1952369134NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375519838
- NPI enumeration date
- May 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (608) 756-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Chad E. Hermsdorf practices at Mercyhealth Hospital and Trauma Center - Outpatient Therapy - Janesville in Janesville, Wisconsin
Chad Hermsdorf's primary practice is Mercyhealth Hospital and Trauma Center - Outpatient Therapy - Janesville, at 1000 Mineral Point Ave, Janesville, WI 53548. The practice phone is (608) 756-6000.
- Mercyhealth Hospital and Trauma Center - Outpatient Therapy - Janesville1000 Mineral Point Ave, Janesville, WI 53548Phone(608) 756-6000
Source: Dmand AI Affiliation Data
Chad E. Hermsdorf is affiliated with 3 sites of care and 1 medical group
Chad Hermsdorf's primary practice is Mercyhealth Hospital and Trauma Center - Outpatient Therapy - Janesville in Janesville, Wisconsin. Chad Hermsdorf is also affiliated with Mercyhealth Hospital and Trauma Center-Janesville. The medical group on file is Mercyhealth. Dmand AI also links Chad Hermsdorf to 1 more hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Chad E. Hermsdorf's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Chad Hermsdorf practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercyhealth Hospital and Trauma Center - Outpatient Therapy - Janesville | Available with a free account |
| +2 more affiliated sites | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Chad E. Hermsdorf is one of 3,127 physician assistants in Wisconsin
Physician assistant is Chad Hermsdorf's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Chad Hermsdorf is licensed in Wisconsin.
Specialties and state licenses
- Physician assistant, WisconsinPrimary
Physician assistants near Chad Hermsdorf
Counts of physician assistants 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
Chad E. Hermsdorf treated 25 Medicare patients in 2024, average age 71
CMS counts 25 Medicare patients who saw Chad Hermsdorf in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.64, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Chad Hermsdorf's median patient age at 72, with 39% women.
Chronic conditions among Chad Hermsdorf's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Atrial fibrillation56%
- Chronic kidney disease48%
Share of Medicare patients with each condition. A patient can have several.
Chad Hermsdorf's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women39%
- Men60%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Chad E. Hermsdorf wrote 28 Medicare Part D claims in 2024
In 2024, Chad Hermsdorf wrote 28 Medicare Part D claims for 15 patients. 100% of them were for generic drugs.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Chad E. Hermsdorf takes part in Medicare
Chad Hermsdorf 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Chad E. Hermsdorf received $52 in industry payments in 2025
CMS Open Payments shows 2 general payments to Chad Hermsdorf from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. AtriCure, Inc. paid the most, $28.
Companies that paid Chad Hermsdorf the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Chad E. Hermsdorf'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 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 (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) |
| 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 Chad E. Hermsdorf
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Chad E. Hermsdorf's NPI number?
Chad E. Hermsdorf's NPI number is 1952369134. It was assigned on May 3, 2006, and it is active in the NPI Registry.
What does Chad E. Hermsdorf specialize in?
Chad E. Hermsdorf is a physician assistant in Janesville, Wisconsin. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Chad E. Hermsdorf practice?
Chad Hermsdorf practices at 1000 Mineral Point Ave, Janesville, WI 53548. Chad Hermsdorf's primary practice is Mercyhealth Hospital and Trauma Center - Outpatient Therapy - Janesville in Janesville, Wisconsin. Dmand AI also links Chad Hermsdorf to 1 hospital.
What is Chad E. Hermsdorf's office phone number?
The practice phone on file for Chad Hermsdorf is (608) 756-6000.
What is Chad E. Hermsdorf's medical license number?
Chad Hermsdorf holds Wisconsin license 1741-023.
Which hospitals is Chad E. Hermsdorf affiliated with?
Chad Hermsdorf is affiliated with Mercyhealth Hospital and Trauma Center-Janesville. Dmand AI links Chad Hermsdorf to 1 more hospital.
What medical group is Chad E. Hermsdorf part of?
Chad Hermsdorf is linked to Mercyhealth.
Does Chad E. Hermsdorf accept Medicare?
Yes. CMS lists Chad Hermsdorf as accepting Medicare assignment.
How many Medicare patients does Chad E. Hermsdorf see?
CMS counts 25 Medicare patients who saw Chad Hermsdorf in 2024, with an average age of 71.
Has Chad E. Hermsdorf received payments from drug or device companies?
CMS Open Payments shows $52 in general payments to Chad Hermsdorf from 2 companies from 2025 to 2025. The largest total came from AtriCure, Inc.
How long has Chad E. Hermsdorf been practicing?
Chad Hermsdorf graduated from medical school in 2004, 22 years ago.
Selling to physician assistant practices?
See physician assistants in Wisconsin by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card