Marianna V. Sieracki, PA-C
- Medicare patients, 2024
- 46
- Part D claims, 2024
- 111
- Hospital affiliations
- 3
- Medical groups
- 2
- State license
- 1
- Practice address
- 2400 E Capitol Dr, Appleton, WI 54911
- Practice phone
- Call (920) 830-5900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Thedacare Physicians
Appleton, Wisconsin
Find Marianna Sieracki'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.
Marianna V. Sieracki is a physician assistant in Appleton, Wisconsin
Marianna Sieracki practices at Thedacare Physicians in Appleton, Wisconsin.
Marianna Sieracki's NPI, 1659786374, was assigned on June 23, 2014. Marianna Sieracki holds Wisconsin license 3334.
- NPI
- 1659786374NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557580842
- NPI enumeration date
- June 23, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (920) 830-5900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Marianna V. Sieracki practices at Thedacare Physicians in Appleton, Wisconsin
Marianna Sieracki's primary practice is Thedacare Physicians, at 2400 E Capitol Dr, Appleton, WI 54911 in Outagamie County. The practice phone is (920) 830-5900.
- Thedacare Physicians2400 E Capitol Dr, Appleton, WI 54911 · Outagamie CountyPhone(920) 830-5900
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Marianna V. Sieracki is affiliated with 4 sites of care and 2 medical groups
Marianna Sieracki's primary practice is Thedacare Physicians in Appleton, Wisconsin. Marianna Sieracki is also affiliated with ThedaCare Regional Medical Center-Appleton. The medical group on file is ThedaCare Behavioral Health Walk-in Care-Neenah. Dmand AI also links Marianna Sieracki to 2 more hospitals and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Marianna V. Sieracki's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Marianna Sieracki practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Thedacare Physicians | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Marianna V. Sieracki is one of 3,127 physician assistants in Wisconsin
Physician assistant is Marianna Sieracki's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Marianna Sieracki is licensed in Wisconsin.
Specialties and state licenses
- Physician assistant, WisconsinPrimary
Physician assistants near Marianna Sieracki
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
Marianna V. Sieracki treated 46 Medicare patients in 2024, average age 73
CMS counts 46 Medicare patients who saw Marianna Sieracki in 2024. The largest group is 65 to 74, with 19 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 1.81, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Marianna Sieracki's median patient age at 40, with 57% women.
Marianna Sieracki's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Marianna Sieracki's Medicare patients by sex, 2024
- Women2043%
- Men2657%
Chronic conditions among Marianna Sieracki's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease48%
- Arthritis39%
- Diabetes39%
- Anxiety35%
- Atrial fibrillation35%
- Ischemic heart disease35%
Share of Medicare patients with each condition. A patient can have several.
Marianna Sieracki's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Marianna V. Sieracki wrote 111 Medicare Part D claims in 2024
In 2024, Marianna Sieracki wrote 111 Medicare Part D claims for 57 patients. 86% of them were for generic drugs.
Marianna Sieracki's Part D claims by kind of drug, 2024
- Generic96 claims86%
- Brand-name and other15 claims14%
Drug classes CMS tracks in Marianna Sieracki's Part D claims, 2024
- Opioids11%12 of 111 claims
- Antibiotics21%23 of 111 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 Marianna V. Sieracki takes part in Medicare
Marianna Sieracki 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 Marianna V. Sieracki'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 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 Marianna V. Sieracki
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Marianna V. Sieracki's NPI number?
Marianna V. Sieracki's NPI number is 1659786374. It was assigned on June 23, 2014, and it is active in the NPI Registry.
What does Marianna V. Sieracki specialize in?
Marianna V. Sieracki is a physician assistant in Appleton, Wisconsin. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Marianna V. Sieracki practice?
Marianna Sieracki practices at 2400 E Capitol Dr, Appleton, WI 54911. Marianna Sieracki's primary practice is Thedacare Physicians in Appleton, Wisconsin. Dmand AI also links Marianna Sieracki to 2 hospitals and 1 medical group.
What is Marianna V. Sieracki's office phone number?
The practice phone on file for Marianna Sieracki is (920) 830-5900.
What is Marianna V. Sieracki's medical license number?
Marianna Sieracki holds Wisconsin license 3334.
Which hospitals is Marianna V. Sieracki affiliated with?
Marianna Sieracki is affiliated with ThedaCare Regional Medical Center-Appleton. Dmand AI links Marianna Sieracki to 2 more hospitals.
What medical group is Marianna V. Sieracki part of?
Marianna Sieracki is linked to ThedaCare Behavioral Health Walk-in Care-Neenah. Dmand AI links Marianna Sieracki to 1 more medical group.
Does Marianna V. Sieracki accept Medicare?
Yes. CMS lists Marianna Sieracki as accepting Medicare assignment.
How many Medicare patients does Marianna V. Sieracki see?
CMS counts 46 Medicare patients who saw Marianna Sieracki in 2024, with an average age of 73.
How long has Marianna V. Sieracki been practicing?
Marianna Sieracki graduated from medical school in 2014, 12 years ago.
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