Rebecca Lynn Sigourney-Tennyck, MD
Obstetrics & Gynecology Physician · Germantown, WI
Rebecca Lynn Sigourney-Tennyck, MD is an obstetrics & gynecology physician with a practice address in Germantown, Wisconsin, and NPI 1104453521, issued on Mar 25, 2020. Check the license (Wisconsin 75898, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Rebecca Lynn Sigourney-Tennyck
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 75898 WI
Self-reported in NPPES; status is on the state search - Practice location
- W180N11070 River LN, Germantown, WI 53022
- Phone
- (262) 532-8477
- Enumerated
- Mar 25, 2020
- Record last updated
- Sep 13, 2024
- Medicaid ID
- 100180284 WI
- Medicare enrollment
- Enrolled (PECOS I20240729003481); accepts Medicare assignment
- Medical or professional school
- Western Michigan Un Homer Stryker School Of Med, 2020
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 796 in Wisconsin → Look up another NPI →
Also registered at W180N11070 River LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jacob Adashek, DOHematology & Oncology Physician1144780107
- Katie CohenCardiovascular Disease Physician1366975179
- Kelly Cole, PA-CPhysician Assistant1700556818
- Shaunta Ford-Pierce, NPFamily Nurse Practitioner1619387511
- Timothy Goggins, M.D.Hematology & Oncology Physician1497890701
- Mark KaepplerCardiovascular Disease Physician1104184100
Verify Rebecca Lynn Sigourney-Tennyck in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 75898Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
67 Medicare Part D claims for 35 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Clobetasol Propionate11 claims
- Oxycodone Hcl11 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.
Bills Medicare through one group practice
- Aurora Advanced Healthcare, Inc.Germantown, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rebecca Lynn Sigourney-Tennyck among 796 obstetrics & gynecology physician records in Wisconsin
Rebecca Lynn Sigourney-Tennyck, 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 2020, is newer than 90% of them.
- NPI issued2020 · 90% of these records are older, 7% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2020 · 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).
Obstetrics & Gynecology Physician providers in Wisconsin
There are 796 obstetrics & gynecology physician records in Wisconsin.
All 796 in Wisconsin → Every provider in Germantown → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Grace Worzalla, M.D.Germantown, WI 530221922494806
- Sarah BauwensGrafton, WI 530241770970956
- Mary Swiderski, MDGrafton, WI 530241326070509
- Henry Kaminski, MDHartford, WI 530271912939158
- Daniel Kopesky, DOHartford, WI 530271114034659
- Nicole Menegakis, MDHartford, WI 530271891906772
- Indira Mammen, MDCedarburg, WI 530121427094796
- Jacqueline JunaBrookfield, WI 530051558999185
Common questions
What is Rebecca Lynn Sigourney-Tennyck, MD's NPI number?
Rebecca Lynn Sigourney-Tennyck, MD's National Provider Identifier (NPI) is 1104453521, issued on Mar 25, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Rebecca Lynn Sigourney-Tennyck, MD located?
The NPPES record lists a practice address at W180N11070 River LN, Germantown, WI, 53022. Phone: (262) 532-8477. Providers update this record themselves, so call before visiting.
How can I verify Rebecca Lynn Sigourney-Tennyck, MD's license?
NPPES lists Wisconsin license number 75898, 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 Rebecca Lynn Sigourney-Tennyck, MD prescribe under Medicare Part D?
In 2024, Rebecca Lynn Sigourney-Tennyck, MD had 67 Medicare Part D claims for 35 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.