Emma S. Ostby, MD
Family Medicine Physician · West St Paul, MN
Emma S. Ostby, MD is a family medicine physician with a practice address in West St Paul, Minnesota, and NPI 1376162404, issued on Apr 9, 2020. Check the license (Minnesota 74893, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Emma S. Ostby
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 74893 MN
Self-reported in NPPES; status is on the state search - Practice location
- 150 Emerson Ave E, West St Paul, MN 55118
- Phone
- (651) 241-1800
- Enumerated
- Apr 9, 2020
- Record last updated
- Oct 20, 2023
- Fax
- (651) 241-1826
- Medicare enrollment
- Enrolled (PECOS I20230817000261); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 2020
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,985 in Minnesota → Look up another NPI →
Also registered at 150 Emerson Ave E
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Emma S. Ostby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 74893Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average family medicine physician in 2024
1,255 Medicare Part D claims for 177 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Atorvastatin Calcium66 claims
- Omeprazole54 claims
- Trazodone Hcl50 claims
- Lisinopril39 claims
- Gabapentin38 claims
- Rosuvastatin Calcium38 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
- Allina Health SystemWest St Paul, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Emma S. Ostby among 3,985 family medicine physician records in Minnesota
Emma S. Ostby, MD is one of 3,985 family medicine physician records with a practice address in Minnesota. 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 2020, is newer than 90% of them.
- NPI issued2020 · 90% of these records are older, 8% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2020 · median 2006 among the 2,483 with a school on file
- Record last updated2023 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 family medicine physician records list a practice address in West St Paul
They are 15 of the 150 NPPES records with a practice address in West St Paul, and 3,985 family medicine physician records in Minnesota.
All 3,985 in Minnesota → Every provider in West St Paul → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Patrick Arnold, MDSaint Paul, MN 551181043227705
- James Benzie, M.D.West Saint Paul, MN 551181689696916
- Lourdes Borges Ruiz, MDSaint Paul, MN 551181104885391
- Carolyn Borow, MDSaint Paul, MN 551181215990163
- Edwin Burrell, MDWest Saint Paul, MN 551181679588941
- Mary Cady, MDSaint Paul, MN 551181598728065
- Michelle Chestovich, MDWest St Paul, MN 551181790796761
- Jessica Dailey, MDSaint Paul, MN 551181568423101
Common questions
What is Emma S. Ostby, MD's NPI number?
Emma S. Ostby, MD's National Provider Identifier (NPI) is 1376162404, issued on Apr 9, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Emma S. Ostby, MD located?
The NPPES record lists a practice address at 150 Emerson Ave E, West St Paul, MN, 55118. Phone: (651) 241-1800. Providers update this record themselves, so call before visiting.
How can I verify Emma S. Ostby, MD's license?
NPPES lists Minnesota license number 74893, 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 Emma S. Ostby, MD prescribe under Medicare Part D?
In 2024, Emma S. Ostby, MD had 1,255 Medicare Part D claims for 177 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.