Ross W. Clark, PA-C
- Medicare patients, 2024
- 126
- Part D claims, 2024
- 85
- Hospital affiliations
- 1
- Industry payments
- $61
- Medical group
- 1
- Practice address
- 700 South Park St, Madison, WI 53715
- Practice phone
- Call (608) 251-6100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Ross Clark'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.
Ross W. Clark is a physician assistant in Madison, Wisconsin
Ross Clark practices at SSM Health St. Mary's Hospital - Madison in Madison, Wisconsin, part of SSM Health Care.
Ross Clark's NPI, 1104355692, was assigned on June 8, 2017. Ross Clark holds Wisconsin license 4112-23.
- NPI
- 1104355692NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618241530
- NPI enumeration date
- June 8, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (608) 251-6100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Ross W. Clark practices at SSM Health St. Mary's Hospital - Madison in Madison, Wisconsin
Ross Clark's primary practice is SSM Health St. Mary's Hospital - Madison, at 700 South Park St, Madison, WI 53715 in Dane County. The practice phone is (608) 251-6100.
- SSM Health St. Mary's Hospital - Madison700 South Park St, Madison, WI 53715 · Dane CountyPhone(608) 251-6100
Source: Dmand AI Affiliation Data
Ross W. Clark is affiliated with 1 site of care and 1 medical group
Ross Clark's primary practice is SSM Health St. Mary's Hospital - Madison in Madison, Wisconsin, part of SSM Health Care. The medical group on file is SSM Health Dean Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Ross W. Clark's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Ross Clark practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| SSM Health St. Mary's Hospital - Madison | Available with a free account |
Source: Dmand AI Technology Install Data
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Ross W. Clark is one of 3,127 physician assistants in Wisconsin
Physician assistant is Ross Clark's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Ross Clark is licensed in Wisconsin.
Specialties and state licenses
- Physician assistant, WisconsinPrimary
Physician assistants near Ross Clark
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
Ross W. Clark treated 126 Medicare patients in 2024, average age 74
CMS counts 126 Medicare patients who saw Ross Clark in 2024. The largest group is 65 to 74, with 59 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 2.17, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Ross Clark's median patient age at 72, with 44% women.
Ross Clark's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Ross Clark's Medicare patients by sex, 2024
- Women5846%
- Men6854%
Chronic conditions among Ross Clark's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease46%
- Chronic kidney disease40%
- Diabetes39%
- Arthritis37%
- Heart failure33%
- Atrial fibrillation30%
Share of Medicare patients with each condition. A patient can have several.
Ross Clark'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
- Women44%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Ross W. Clark wrote 85 Medicare Part D claims in 2024
In 2024, Ross Clark wrote 85 Medicare Part D claims for 50 patients. 94% of them were for generic drugs.
Ross Clark's Part D claims by kind of drug, 2024
- Generic80 claims94%
- Brand-name and other5 claims6%
Drug classes CMS tracks in Ross Clark's Part D claims, 2024
- Opioids38%32 of 85 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Ross W. Clark takes part in Medicare
Ross Clark 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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Ross W. Clark received $61 in industry payments in 2025
CMS Open Payments shows 1 general payment to Ross Clark from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Edwards Lifesciences Corporation paid the most, $61.
Companies that paid Ross Clark 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 Ross W. Clark'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 Ross W. Clark
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Ross W. Clark's NPI number?
Ross W. Clark's NPI number is 1104355692. It was assigned on June 8, 2017, and it is active in the NPI Registry.
What does Ross W. Clark specialize in?
Ross W. Clark is a physician assistant in Madison, Wisconsin. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Ross W. Clark practice?
Ross Clark practices at 700 South Park St, Madison, WI 53715. Ross Clark's primary practice is SSM Health St. Mary's Hospital - Madison in Madison, Wisconsin, part of SSM Health Care.
What is Ross W. Clark's office phone number?
The practice phone on file for Ross Clark is (608) 251-6100.
What is Ross W. Clark's medical license number?
Ross Clark holds Wisconsin license 4112-23.
Which hospitals is Ross W. Clark affiliated with?
Ross Clark practices at SSM Health St. Mary's Hospital - Madison in Madison, Wisconsin.
What medical group is Ross W. Clark part of?
Ross Clark is linked to SSM Health Dean Medical Group.
Does Ross W. Clark accept Medicare?
Yes. CMS lists Ross Clark as accepting Medicare assignment.
How many Medicare patients does Ross W. Clark see?
CMS counts 126 Medicare patients who saw Ross Clark in 2024, with an average age of 74.
Has Ross W. Clark received payments from drug or device companies?
CMS Open Payments shows $61 in general payments to Ross Clark from 1 company from 2025 to 2025. The largest total came from Edwards Lifesciences Corporation.
How long has Ross W. Clark been practicing?
Ross Clark graduated from medical school in 2017, 9 years ago.
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