Jill F. Sternquist, MD
Obstetrics & Gynecology Physician · Yankton, SD
Jill F. Sternquist, MD is an obstetrics & gynecology physician with a practice address in Yankton, South Dakota, and NPI 1841498235, issued on Jul 6, 2007. Check the license (South Dakota 8108, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Jill F. Sternquist
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 8108 SD
Self-reported in NPPES; status is on the state search - Practice location
- 1104 W 8TH St, Yankton, SD 57078
- Phone
- (605) 665-7841
- Enumerated
- Jul 6, 2007
- Record last updated
- Jul 3, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (605) 665-0546
- Medicare enrollment
- Enrolled (PECOS I20111031000203); accepts Medicare assignment
- Medical or professional school
- Sanford School Of Medicine Of University Of South Dakota, 2007
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 99 in South Dakota → Look up another NPI →
Also registered at 1104 W 8TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Cassandra Arens, PAPhysician Assistant1033522966
- Sarah ArensPhysician Assistant1669912291
- Amber Authier, PA-CMedical Physician Assistant1518679851
- Clarissa Barnes, M.D.Internal Medicine Physician1770758757
- Leann Bassing, M.D.Rheumatology Physician1871784124
Verify Jill F. Sternquist in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
Search for license 8108Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
285 Medicare Part D claims for 58 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Levothyroxine Sodium28 claims
- Estradiol20 claims
- Fluticasone Propionate16 claims
- Metformin Hcl16 claims
- Simvastatin15 claims
- Zolpidem Tartrate13 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 2 group practices
- Sacred Heart Health ServicesYankton, SD
- Yankton Medical Clinic PCYankton, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jill F. Sternquist among 99 obstetrics & gynecology physician records in South Dakota
Jill F. Sternquist, MD is one of 99 obstetrics & gynecology physician records with a practice address in South Dakota. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 56% of them.
- NPI issued2007 · 56% of these records are older, 36% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2007 · median 2007 among the 72 with a school on file
- Record last updated2020 · 68% 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 South Dakota 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 South Dakota
There are 99 obstetrics & gynecology physician records in South Dakota.
All 99 in South Dakota → Every provider in Yankton → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Kevin Bray, MDYankton, SD 570781932100914
- Emma Bye, MDYankton, SD 570781316432271
- Amy Eichfeld, MDYankton, SD 570781336140201
- Robert Ferrell, MDYankton, SD 570781790786796
- Mary Meierhenry, MDSioux Falls, SD 571041013965466
- Jeanne Hassebroek-Johnson, M.D.Sioux Falls, SD 571051740286491
- Kristin Hermanson, MDSioux Falls, SD 571051770577967
- Laurie Landeen, M.D.Sioux Falls, SD 571051043216799
Common questions
What is Jill F. Sternquist, MD's NPI number?
Jill F. Sternquist, MD's National Provider Identifier (NPI) is 1841498235, issued on Jul 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jill F. Sternquist, MD located?
The NPPES record lists a practice address at 1104 W 8TH St, Yankton, SD, 57078. Phone: (605) 665-7841. Providers update this record themselves, so call before visiting.
How can I verify Jill F. Sternquist, MD's license?
NPPES lists South Dakota license number 8108, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jill F. Sternquist, MD prescribe under Medicare Part D?
In 2024, Jill F. Sternquist, MD had 285 Medicare Part D claims for 58 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.