Marianna V. Sieracki, PA-C

  • Appleton, WI
  • Physician assistant
NPI1659786374PAC ID1557580842
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
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Personal email
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Mobile number
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Social profiles

Primary practice

Thedacare Physicians

Appleton, Wisconsin

See all 6 affiliations

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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 and contact details
Medicare PAC ID
1557580842
NPI enumeration date
June 23, 2014
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(920) 830-5900
Professional email
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Personal email
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Mobile number
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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 Physicians
    2400 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.

See all 6 affiliations for Marianna Sieracki

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.

EHR by site
SiteEHR vendor and product
Thedacare PhysiciansAvailable with a free account
+3 more sites and 1 medical groupAvailable 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, WisconsinPrimaryLicense 3334 · taxonomy 363A00000X

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.

Medicare patients, 202446
Average age73
Average risk score1.81
Also on Medicaid28%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Chronic kidney disease48%
  4. Arthritis39%
  5. Diabetes39%
  6. Anxiety35%
  7. Atrial fibrillation35%
  8. 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.

Part D claims, 2024111
Part D patients57

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

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES 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 panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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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