Sara Kay Johnstone, M.D.
Obstetrics & Gynecology Physician · Saint Paul, MN
Sara Kay Johnstone, M.D. is an obstetrics & gynecology physician with a practice address in Saint Paul, Minnesota, and NPI 1609977958, issued on Sep 26, 2006. Check the license (Minnesota 57416, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Sara Kay Johnstone
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 57416 MN
Self-reported in NPPES; status is on the state search - Practice location
- 347 Smith Ave N, Saint Paul, MN 55102
- Phone
- (651) 241-7733
- Enumerated
- Sep 26, 2006
- Record last updated
- Oct 9, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140521002462); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 2005
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 878 in Minnesota → Look up another NPI →
Also registered at 347 Smith Ave N
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Suresh Ahanya, MDMaternal & Fetal Medicine Physician1104885763
- Doreatha Baker, CPNPPediatric Nurse Practitioner1003817016
- Richard Bendel, MDNeonatal-Perinatal Medicine Physician1235190471
- Leah Benson, D.O.Obstetrics & Gynecology Physician1851580476
- Stephen BlythePediatric Pulmonology Physician1992800817
- Patra Borden, MSN, APRN, NNP-BCNeonatal Nurse Practitioner1013426147
Verify Sara Kay Johnstone in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 57416Check 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 18 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 83.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Minnesota Womens Care PAMaplewood, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sara Kay Johnstone among 878 obstetrics & gynecology physician records in Minnesota
Sara Kay Johnstone, M.D. is one of 878 obstetrics & gynecology physician records with a practice address in Minnesota. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 49% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2005 · median 2007 among the 569 with a school on file
- Record last updated2014 · 60% 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 Minnesota 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 Minnesota
There are 878 obstetrics & gynecology physician records in Minnesota.
All 878 in Minnesota → Every provider in Saint Paul → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Leah Benson, D.O.Saint Paul, MN 551021851580476
- Bradley Bloemker, M.D., PH.D.Saint Paul, MN 551021295722387
- James Brockberg, MDSaint Paul, MN 551021760446017
- Joesph CapecchiSaint Paul, MN 551021851352447
- Patricia Chang, MDSaint Paul, MN 551021467412445
- Guillermo Chang, MDSaint Paul, MN 551021730140831
- Kenneth Crabb, M.D.St Paul, MN 551021023054681
- Susan Ditmanson, MDSaint Paul, MN 551021043271141
Common questions
What is Sara Kay Johnstone, M.D.'s NPI number?
Sara Kay Johnstone, M.D.'s National Provider Identifier (NPI) is 1609977958, issued on Sep 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sara Kay Johnstone, M.D. located?
The NPPES record lists a practice address at 347 Smith Ave N, Saint Paul, MN, 55102. Phone: (651) 241-7733. Providers update this record themselves, so call before visiting.
How can I verify Sara Kay Johnstone, M.D.'s license?
NPPES lists Minnesota license number 57416, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sara Kay Johnstone, M.D. prescribe under Medicare Part D?
In 2024, Sara Kay Johnstone, M.D. had 28 Medicare Part D claims for 18 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Sara Kay Johnstone, M.D.'s MIPS final score?
The 2023 MIPS final score is 83.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.