NPPES file of Aug 9, 2026

Research Study Specialist in Minnesota

22 NPPES records list research study specialist with a practice address in Minnesota, 0.4 per 100,000 residents, the 3rd highest rate of 41. Minneapolis and Rochester have the most; each record links to the provider's NPI and the Minnesota license search.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 1744R1102X · method

Research Study Specialist records in Minnesota

  1. Terri Arndt, RN MA CCRCMinneapolis, MN 554071174647580
  2. Karen Brezinka, NCTMBBloomington, MN 554311306000716
  3. Tracy Diefenbach, PHD MRMS CCTPFosston, MN 565421649940115
  4. Lauri EakinsSaint Paul, MN 551021487762555
  5. Sandra Frizelle, MDMinneapolis, MN 554191215171095
  6. Apostolos Georgopoulos, M.D.Minneapolis, MN 554171386929842
  7. Svetlana Herasevich, MD, MSRochester, MN 559051598616161
  8. Vitaly Herasevich, MD, PHDRochester, MN 559051861342735
  9. Levent Kenar, M.D.PH.D.Golden Valley, MN 554161447559372
  10. Charu Lata, MBBSMinneapolis, MN 554551578893871
  11. Shahd Mansour, MDRochester, MN 559051437004124
  12. Vince Patel, MDEden Prairie, MN 553441881365328
  13. Marta Isabel Rodrigues Casal Moura, MD, MSC, MSPH, PHDRochester, MN 559051740962802
  14. Maria Rosales HernandezMinneapolis, MN 554181346862380
  15. Aima TahirRochester, MN 559051194680413
  16. Andrea Thelen, B.S, M.A.Saint Paul, MN 551021467461442
  17. Kari ThomasSt Paul, MN 551021629249461
  18. Jing Wan, MDMinneapolis, MN 554551407087950
  19. Chuanfeng Wang, M.D., PH.D.Minneapolis, MN 554171093042780
  20. Denise Windenburg, CCRCMinneapolis, MN 554071063536308
  21. Jyoti Yadav, MDRochester, MN 559061497694376
  22. Sharon Yson, M.D.Minneapolis, MN 554541932400785

Source: CMS NPPES, primary taxonomy 1744R1102X: records by practice city and the list of records, file of Aug 9, 2026.

Minnesota ranks 3 of 41 per resident

  1. District of Columbia0.7
  2. Maryland0.5
  3. Minnesota0.4
  4. Massachusetts0.4
  5. Delaware0.3
  6. 50 states and D.C.0.1

Source: CMS NPPES, primary taxonomy 1744R1102X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

0.0% of these records appear in a Medicare file, against 4.3% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. Minnesota0.0%
  2. United States4.3%

Research Study Specialist records in Minnesota, measured

  • In a Medicare file0 of 22 · 0.0% here, 4.3% nationally
  • In the CMS Doctors and Clinicians file0 · 0.0% here, 0.9% nationally
  • Not updated in five years or more14 · 63.6% here, 66.7% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 1744R1102X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

22 NPPES records list research study specialist (1744R1102X) as their primary taxonomy with a practice address in Minnesota: 0.4 per 100,000 residents against 0.1 nationally (50 states and D.C.). Minneapolis has 9 of them (41%).

A record is a registration a provider made and keeps up to date: it shows neither that the provider is licensed nor that they still practice there. The state's own license search is the check.

States with a similar number

  1. Massachusetts25
  2. New York25
  3. North Carolina16
  4. Pennsylvania16

States with a similar rate per 100,000

  1. Maryland0.5
  2. Colorado0.3
  3. California0.2
  4. Missouri0.2

The largest states

  1. California82
  2. Florida33
  3. Texas33
  4. Maryland31
  5. Massachusetts25

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy; 2023 Census population estimates. A registry record 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.