NPPES file of Aug 9, 2026

Gregory Olszewski, MD

Family Medicine Physician · Minneapolis, MN

Gregory Olszewski, MD is a family medicine physician with a practice address in Minneapolis, Minnesota, and NPI 1952741050, issued on Jul 3, 2013. Check the license (Minnesota 61333, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1952741050
Name
Gregory Olszewski
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
61333 MN
13813 ND
Self-reported in NPPES; status is on the state search
Practice location
19 S 1St St Apt B2603, Minneapolis, MN 55401
Phone
(651) 269-5941
Enumerated
Jul 3, 2013
Record last updated
Nov 2, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20170213002686); may accept Medicare assignment
Medical or professional school
University Of Minnesota Medical School, 2013
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Gregory Olszewski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMinnesota Board of Medical Practice
    Search for license 61333
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Minnesota license search

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97% fewer Medicare Part D claims than the average family medicine physician in 2024

118 Medicare Part D claims for 82 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 12 claims were for opioids.

  1. Gregory Olszewski118
  2. Specialty average3,544

Most prescribed

  1. Sulfamethoxazole-Trimethoprim11 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

  1. Sanford Health Network NorthThief River Falls, MN
  2. United Hospital District IncBlue Earth, MN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gregory Olszewski among 3,985 family medicine physician records in Minnesota

Gregory Olszewski, 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 2013, is newer than 74% of them.

  • NPI issued2013 · 74% of these records are older, 24% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2013 · median 2006 among the 2,483 with a school on file
  • Record last updated2018 · 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).

336 family medicine physician records list a practice address in Minneapolis

They are 336 of the 22,918 NPPES records with a practice address in Minneapolis, and 3,985 family medicine physician records in Minnesota.

The 8 family medicine physician records with the nearest ZIP codes

  1. James Beggs, M.D.Minneapolis, MN 554011982792982
  2. Albert Chiu, D.O.Minneapolis, MN 554021073802526
  3. Isaac Engholm, D.O.Minneapolis, MN 554021881940864
  4. Jennifer Martinez, NPMinneapolis, MN 554021396837555
  5. Curt Schultz, D.O.Minneapolis, MN 554021689084584
  6. Meagan Sorensen, FNPMinneapolis, MN 554021821877713
  7. Tara Doyle Bizily, MDMinneapolis, MN 554031962463737
  8. Juan Lewis, M.D.Minneapolis, MN 554031033164165

Common questions

What is Gregory Olszewski, MD's NPI number?

Gregory Olszewski, MD's National Provider Identifier (NPI) is 1952741050, issued on Jul 3, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Olszewski, MD located?

The NPPES record lists a practice address at 19 S 1St St Apt B2603, Minneapolis, MN, 55401. Phone: (651) 269-5941. Providers update this record themselves, so call before visiting.

How can I verify Gregory Olszewski, MD's license?

NPPES lists Minnesota license number 61333, 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 Gregory Olszewski, MD prescribe under Medicare Part D?

In 2024, Gregory Olszewski, MD had 118 Medicare Part D claims for 82 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.