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MARK GREGGERY AUGUST MORTENSEN D.C.
NPI 1972558195
Chiropractor in Winthrop, MN

Active since May 24, 2006Accepts Medicare Assignment
205 NORTH CARVER STREET, WINTHROP, MN 55396(507) 647-3700 Get Directions Write a Review

NPPES record last updated: June 29, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mark Greggery August Mortensen D.c. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK GREGGERY AUGUST MORTENSEN D.C. (NPI 1972558195) is an individual chiropractor in Winthrop, Minnesota, licensed in Minnesota (4536) and active in the NPI registry since May 2006. He is a graduate of Palmer College Chiropractic - Davenport (2004).

NPPES Registry Identity

NPI1972558195
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameMARK GREGGERY AUGUST MORTENSENCredential: D.C.
Location Address205 NORTH CARVER STREETWinthrop, MN 55396
Mailing AddressPo Box 175, 205 N Carver StWinthrop, MN 55396-0175 · (507) 647-3700
Phone(507) 647-3700
Sole ProprietorYes
Medical School CMSPalmer College Chiropractic - DavenportGraduated 2004
Enumeration DateMay 24, 2006
Last NPPES UpdateJune 29, 2023
NPPES CertifiedJune 29, 2023
✔ NPI 1972558195 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in MN · 4536
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
205 NORTH CARVER STREET, Winthrop, MN 55396
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mark Greggery August Mortensen D.c. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1759376817
PECOS Enrollment IDI20040417000516

Medicare Billing Reassignment

Medicare enrollment records show Mark Greggery Mortensen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Elite Health Chiropractic Center, PLLC
0.2 mi
Chiropractor
205 S CARVER ST
Winthrop, MN 55396
  • Reassigned Medicare billing, Minnesota enrollment
NPI 1982893467 (507) 647-3700

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Chiropractic manipulative treatment, 3-4 spinal regions 98941
Chiropractic manipulative treatment for 3-4 spinal regions involves a trained professional applying controlled force to specific areas of your spine. This can help alleviate pain, improve physical function, and support your body's natural healing process.
450 services44 patients

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Greggery Mortensen's NPI number?

The NPI number for Mark Greggery Mortensen is 1972558195. It was assigned to this individual provider in the NPPES registry on May 24, 2006.

Where is Mark Greggery Mortensen located?

Mark Greggery Mortensen practices at 205 North Carver Street, Winthrop, MN 55396. The listed phone number is (507) 647-3700.

What is Mark Greggery Mortensen's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Mark Greggery Mortensen enrolled in Medicare?

Yes. Mark Greggery Mortensen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Mark Greggery Mortensen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Greggery Mortensen reassigns Medicare benefits to Elite Health Chiropractic Center, PLLC (Winthrop, MN). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Greggery Mortensen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mark Greggery Mortensen was last updated on June 29, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.