Registry data as of Aug 27, 2026

John Opsahl

Nephrology Physician · St Louis Park, MN

John Opsahl is a nephrology physician with a practice address in St Louis Park, Minnesota, and NPI 1356328207, issued on Dec 30, 2005. Check the license (Minnesota 25712, as entered in NPPES) on the Minnesota Board of Medical Practice; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1356328207
Name
John Opsahl
Primary taxonomy
Nephrology Physician 207RN0300X
License number
25712 MN
Self-reported in NPPES; status is on the state search
Practice location
3931 Louisiana Ave S, St Louis Park, MN 55426
Phone
(952) 993-3242
Enumerated
Dec 30, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3931 Louisiana Ave S

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Elizabeth AbellNurse Practitioner1568777274
  2. Gavin Ashburn, PA-CPhysician Assistant1982141800
  3. Lindsey Bade, PHD, MS, CGCGenetic Counselor (M.S.)1417350836
  4. Joanna Barthell, PA-CPhysician Assistant1093154908
  5. Brent Bauman, M.D.Neurological Surgery Physician1407117328
  6. Claudia Baumann, M.D., PH.D.Internal Medicine Physician1689917064

Verify John Opsahl 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 25712
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Nephrology Physician providers in Minnesota

There are 204 nephrology physician records in Minnesota. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other nephrology physician records in Minnesota

  1. Mohammed Abdalla, MDRochester, MN1952823007
  2. Ahmed Abdalrhim, MBBSRochester, MN1679671762
  3. Paul Abraham, MDSt Paul, MN1477528438
  4. Amogh Agrawal, MDRochester, MN1992318406
  5. Aqeel Ahmad, M.D.Saint Paul, MN1497942866
  6. Momina Ahmed, MDMinneapolist, MN1790467116
  7. Sreyoshi Alam, MBBSRochester, MN1164031324
  8. Robert Albright, D.O.Rochester, MN1417934738
  9. Hatem Amer, MBBCHRochester, MN1417936634
  10. Lagu Androga, M.D.Rochester, MN1639532963

Common questions

What is John Opsahl's NPI number?

John Opsahl's National Provider Identifier (NPI) is 1356328207, issued on Dec 30, 2005. An NPI identifies a provider in billing; it is not a license.

Where is John Opsahl located?

The NPPES record lists a practice address at 3931 Louisiana Ave S, St Louis Park, MN, 55426. Phone: (952) 993-3242. Providers update this record themselves, so call before visiting.

How can I verify John Opsahl's license?

NPPES lists Minnesota license number 25712, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.