Kathryn A. Sarnoski, MD
Obstetrics & Gynecology Physician · Two Rivers, WI
Kathryn A. Sarnoski, MD is an obstetrics & gynecology physician with a practice address in Two Rivers, Wisconsin, and NPI 1275876864, issued on Apr 1, 2013. Check the license (Wisconsin 4888, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Kathryn A. Sarnoski
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- 4888 WI
12550503-1205 UT
Self-reported in NPPES; status is on the state search - Practice location
- 5300 Memorial Dr, Two Rivers, WI 54241
- Phone
- (920) 793-7300
- Enumerated
- Apr 1, 2013
- Record last updated
- Dec 24, 2024
- Medicaid ID
- 100041527 WI
- Medicare enrollment
- Enrolled (PECOS I20211214000602); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 796 in Wisconsin → Look up another NPI →
Also registered at 5300 Memorial Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Dawn Bolwerk, APNPPsychiatric/Mental Health Nurse Practitioner1851563332
- Beverly Brandt, FNPNurse Practitioner1336158021
Verify Kathryn A. Sarnoski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 4888Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
28 Medicare Part D claims for 16 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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: $4,672.44
20 payments; by number, the most common kind was travel and lodging; the largest payer was Intuitive Surgical, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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
- Intermountain Medical Group Grand Junction, LLCGrand Junction, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathryn A. Sarnoski among 796 obstetrics & gynecology physician records in Wisconsin
Kathryn A. Sarnoski, MD is one of 796 obstetrics & gynecology physician records with a practice address in Wisconsin. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 74% of them.
- NPI issued2013 · 74% of these records are older, 24% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2013 · median 2007 among the 478 with a school on file
- Record last updated2024 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 obstetrics & gynecology physician records list a practice address in Two Rivers
They are 10 of the 251 NPPES records with a practice address in Two Rivers, and 796 obstetrics & gynecology physician records in Wisconsin.
All 796 in Wisconsin → Every provider in Two Rivers → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Matthew Conrad, MD, PHDTwo Rivers, WI 542411528593613
- Amy Dysart, MDTwo Rivers, WI 542411629123716
- Jennifer Garvin-Cress, M.D.Two Rivers, WI 542411245348481
- Hye Chong Lambert, MDTwo Rivers, WI 542411871600312
- Radhika Sharma, M.D.Two Rivers, WI 542411407110547
- Scott Voskuil, MDTwo Rivers, WI 542411700993748
- Betsy Winga, MDTwo Rivers, WI 542411669589545
- Gregory Woodfill, DOTwo Rivers, WI 542411477558724
Common questions
What is Kathryn A. Sarnoski, MD's NPI number?
Kathryn A. Sarnoski, MD's National Provider Identifier (NPI) is 1275876864, issued on Apr 1, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn A. Sarnoski, MD located?
The NPPES record lists a practice address at 5300 Memorial Dr, Two Rivers, WI, 54241. Phone: (920) 793-7300. Providers update this record themselves, so call before visiting.
How can I verify Kathryn A. Sarnoski, MD's license?
NPPES lists Wisconsin license number 4888, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kathryn A. Sarnoski, MD prescribe under Medicare Part D?
In 2024, Kathryn A. Sarnoski, MD had 28 Medicare Part D claims for 16 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.