Krystyna Diane Ostrowski
Family Nurse Practitioner · Bowler, WI
Krystyna Diane Ostrowski is a family nurse practitioner with a practice address in Bowler, Wisconsin, and NPI 1619455607, issued on Aug 1, 2018. Check the license (Wisconsin 8541-33, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Krystyna Diane Ostrowski
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 8541-33 WI
Self-reported in NPPES; status is on the state search - Practice location
- W12802 County Road A, Bowler, WI 54416
- Phone
- (715) 793-4144
- Enumerated
- Aug 1, 2018
- Record last updated
- Oct 5, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190107002206); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,814 in Wisconsin → Look up another NPI →
Also registered at W12802 County Road A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristin D'Acquisto, RDHDental Hygienist1124359872
- Mary DannerDental Hygienist1740438688
- Brandi EjnikDental Hygienist1215185152
- Dennis Elmergreen, PSY. D.Family Psychologist1922172675
- Adrianne Fletcher, LCSWClinical Social Worker1922270693
- Brianna Hopp, PT, DPTPhysical Therapist1811581044
Verify Krystyna Diane Ostrowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 8541-33Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% more Medicare Part D claims than the average family nurse practitioner in 2024
1,458 Medicare Part D claims for 120 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Lisinopril67 claims
- Levothyroxine Sodium63 claims
- Atorvastatin Calcium61 claims
- Trulicity59 claims
- Omeprazole46 claims
- Losartan Potassium42 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $148.28
2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Stockbridge Munsee CommunityBowler, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Krystyna Diane Ostrowski among 2,814 family nurse practitioner records in Wisconsin
Krystyna Diane Ostrowski is one of 2,814 family nurse practitioner records with a practice address in Wisconsin. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 47% of them.
- NPI issued2018 · 47% of these records are older, 48% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2018 · median 2019 among the 1,740 with a school on file
- Record last updated2018 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 family nurse practitioner records list a practice address in Bowler
They are 5 of the 34 NPPES records with a practice address in Bowler, and 2,814 family nurse practitioner records in Wisconsin.
All 2,814 in Wisconsin → Every provider in Bowler → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Megan Moede, APNP, FNP-BCBowler, WI 544161568189405
- Jane Morrow, APNPBowler, WI 544161528077849
- Briah Pingel, AANP, FNP-CBowler, WI 544161730071283
- Debra SaffordBowler, WI 544161063512382
- Kelsey HalopkaColby, WI 544211306629787
- Julie Turchi, NPColby, WI 544211740604180
- Alaina Below, FNP-BCAntigo, WI 544091750931481
- Molly Blemke, NPAntigo, WI 544091306546866
Common questions
What is Krystyna Diane Ostrowski's NPI number?
Krystyna Diane Ostrowski's National Provider Identifier (NPI) is 1619455607, issued on Aug 1, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Krystyna Diane Ostrowski located?
The NPPES record lists a practice address at W12802 County Road A, Bowler, WI, 54416. Phone: (715) 793-4144. Providers update this record themselves, so call before visiting.
How can I verify Krystyna Diane Ostrowski's license?
NPPES lists Wisconsin license number 8541-33, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Krystyna Diane Ostrowski prescribe under Medicare Part D?
In 2024, Krystyna Diane Ostrowski had 1,458 Medicare Part D claims for 120 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.