Mark Greggery August Mortensen, D.C.
Chiropractor · Winthrop, MN
Mark Greggery August Mortensen, D.C. is a chiropractor with a practice address in Winthrop, Minnesota, and NPI 1972558195, issued on May 24, 2006. Check the license (Minnesota 4536, as entered in NPPES) with the Minnesota board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mark Greggery August Mortensen
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- 4536 MN
Self-reported in NPPES; status is on the state search - Practice location
- 205 North Carver Street, Winthrop, MN 55396
- Phone
- (507) 647-3700
- Enumerated
- May 24, 2006
- Record last updated
- Jun 29, 2023
- Medicare enrollment
- Enrolled (PECOS I20040417000516); accepts Medicare assignment
- Medical or professional school
- Palmer College Chiropractic - Davenport, 2004
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 3,377 in Minnesota → Look up another NPI →
Verify Mark Greggery August Mortensen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Minnesota board licenses this profession
Search for license 4536Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mark Greggery August Mortensen among 3,377 chiropractor records in Minnesota
Mark Greggery August Mortensen, D.C. is one of 3,377 chiropractor records with a practice address in Minnesota. 24% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 69% newer
- In a Medicare fileNo · 24% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated2004 · median 2007 among the 1,518 with a school on file
- Record last updated2023 · 74% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111N00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Chiropractor providers in Minnesota
There are 3,377 chiropractor records in Minnesota. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
The 8 chiropractor records with the nearest ZIP codes
- Lowell Kavan, DCWinthrop, MN 553961194904045
- Brent Schank, D.C.Winsted, MN 553951811057268
- Timothy Sheehan, DCWinsted, MN 553951447433727
- Brian Hoffmann, DCZimmerman, MN 553981386709541
- Stacy Knutson, D.C.Zimmerman, MN 553981265810600
- Andrew Linn, D.C.Zimmerman, MN 553981003962440
- Steven Luginbill, D.C.Zimmerman, MN 553981699850826
- Gregory Nelson, D.C.Zimmerman, MN 553981346408341
Common questions
What is Mark Greggery August Mortensen, D.C.'s NPI number?
Mark Greggery August Mortensen, D.C.'s National Provider Identifier (NPI) is 1972558195, issued on May 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Greggery August Mortensen, D.C. located?
The NPPES record lists a practice address at 205 North Carver Street, Winthrop, MN, 55396. Phone: (507) 647-3700. Providers update this record themselves, so call before visiting.
How can I verify Mark Greggery August Mortensen, D.C.'s license?
NPPES lists Minnesota license number 4536, as entered by the provider. Search the Minnesota board that licenses this profession; the NPPES record confirms identity 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. 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.