Shaun T. Marczak, PA-C
- Medicare patients, 2024
- 69
- Part D claims, 2024
- 32
- Hospital affiliations
- 1
- Medical groups
- 3
- State licenses
- 2
- Practice address
- 1221 Whipple St, Eau Claire, WI 54703
- Practice phone
- Call (715) 838-3311
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Shaun Marczak'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.
Shaun T. Marczak is a physician assistant in Eau Claire, Wisconsin
Shaun Marczak practices at Mayo Clinic Health System in Eau Claire in Eau Claire, Wisconsin, part of Mayo Clinic.
Shaun Marczak's NPI, 1275838146, was assigned on January 24, 2011. Shaun Marczak holds Wisconsin license 2904-23.
- NPI
- 1275838146NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9234310632
- NPI enumeration date
- January 24, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (715) 838-3311
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Shaun T. Marczak practices at Mayo Clinic Health System in Eau Claire in Eau Claire, Wisconsin
Shaun Marczak's primary practice is Mayo Clinic Health System in Eau Claire, at 1221 Whipple St, Eau Claire, WI 54703 in Eau Claire County. The practice phone is (715) 838-3311.
- Mayo Clinic Health System in Eau Claire1221 Whipple St, Eau Claire, WI 54703 · Eau Claire CountyPhone(715) 838-3311
Source: Dmand AI Affiliation Data
Shaun T. Marczak is affiliated with 3 sites of care and 3 medical groups
Shaun Marczak's primary practice is Mayo Clinic Health System in Eau Claire in Eau Claire, Wisconsin, part of Mayo Clinic. The medical group on file is Mayo Clinic Health System in Eau Claire. Dmand AI also links Shaun Marczak to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Shaun T. Marczak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Shaun Marczak practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mayo Clinic Health System in Eau Claire | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Shaun T. Marczak is one of 3,127 physician assistants in Wisconsin
Physician assistant is Shaun Marczak's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has Shaun Marczak's licenses on file in 2 states: Wisconsin and Missouri.
Specialties and state licenses
- Physician assistant, WisconsinPrimary
- Missouri license
Physician assistants near Shaun Marczak
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
Shaun T. Marczak treated 69 Medicare patients in 2024, average age 71
CMS counts 69 Medicare patients who saw Shaun Marczak in 2024. The largest group is 65 to 74, with 35 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.43, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Shaun Marczak's median patient age at 71, with 28% women.
Shaun Marczak's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Shaun Marczak's Medicare patients by sex, 2024
- Women2942%
- Men4058%
Chronic conditions among Shaun Marczak's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease61%
- Atrial fibrillation42%
- Heart failure38%
- Diabetes33%
- Anxiety32%
- Cancer30%
Share of Medicare patients with each condition. A patient can have several.
Shaun Marczak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women28%
- Men72%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Shaun T. Marczak wrote 32 Medicare Part D claims in 2024
In 2024, Shaun Marczak wrote 32 Medicare Part D claims for 15 patients. 81% of them were for generic drugs.
Shaun Marczak's Part D claims by kind of drug, 2024
- Generic26 claims81%
- Brand-name and other6 claims19%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Shaun T. Marczak takes part in Medicare
Shaun Marczak 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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Sources for Shaun T. Marczak'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) |
| 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 Shaun T. Marczak
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Shaun T. Marczak's NPI number?
Shaun T. Marczak's NPI number is 1275838146. It was assigned on January 24, 2011, and it is active in the NPI Registry.
What does Shaun T. Marczak specialize in?
Shaun T. Marczak is a physician assistant in Eau Claire, Wisconsin. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Shaun T. Marczak practice?
Shaun Marczak practices at 1221 Whipple St, Eau Claire, WI 54703. Shaun Marczak's primary practice is Mayo Clinic Health System in Eau Claire in Eau Claire, Wisconsin, part of Mayo Clinic. Dmand AI also links Shaun Marczak to 2 group practices and clinics and 2 medical groups.
What is Shaun T. Marczak's office phone number?
The practice phone on file for Shaun Marczak is (715) 838-3311.
What is Shaun T. Marczak's medical license number?
Shaun Marczak holds Wisconsin license 2904-23, one of the licenses on file in 2 states.
Which states has Shaun T. Marczak been licensed in?
Dmand AI has state licenses on file for Shaun Marczak in Wisconsin and Missouri.
Which hospitals is Shaun T. Marczak affiliated with?
Shaun Marczak practices at Mayo Clinic Health System in Eau Claire in Eau Claire, Wisconsin.
What medical group is Shaun T. Marczak part of?
Shaun Marczak is linked to Mayo Clinic Health System in Eau Claire. Dmand AI links Shaun Marczak to 2 more medical groups.
Does Shaun T. Marczak accept Medicare?
Yes. CMS lists Shaun Marczak as accepting Medicare assignment.
How many Medicare patients does Shaun T. Marczak see?
CMS counts 69 Medicare patients who saw Shaun Marczak in 2024, with an average age of 71.
How long has Shaun T. Marczak been practicing?
Shaun Marczak graduated from medical school in 2010, 16 years ago.
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