Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. GREGORY WILLIAM FRIESNER D.C.
NPI 1477520385
Chiropractor in Sioux Falls, SD

Q: What is Gregory Friesner's NPI number?

The NPI number for Gregory Friesner is 1477520385. It was assigned to this individual provider in the NPPES registry on March 1, 2006.

Q: What is Gregory Friesner's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Gregory Friesner was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days 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.

Active since March 01, 2006

3909 S SOUTHEASTERN AVE, SIOUX FALLS, SD 57103(605) 334-4722(605) 330-0889 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Gregory William Friesner D.c. NPPES

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

DR. GREGORY WILLIAM FRIESNER D.C. (NPI 1477520385) is an individual chiropractor in Sioux Falls, South Dakota, licensed in South Dakota (685) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1477520385

Entity TypeIndividualMale

Primary Taxonomy111N00000X

Provider Legal NameDR. GREGORY WILLIAM FRIESNERCredential: D.C.

Location Address3909 S SOUTHEASTERN AVESioux Falls, SD 57103-7186

Mailing Address2804 S Old Orchard CirSioux Falls, SD 57103-4339 · (605) 334-4722 · Fax (605) 330-0889

Phone(605) 334-4722

Fax(605) 330-0889

Sole ProprietorNo

Enumeration DateMarch 1, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1477520385 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers

Taxonomy Code111N00000X

License✔ Licensed in SD · 685

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.

3909 S SOUTHEASTERN AVE, Sioux Falls, SD 57103

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Other Identifiers 2

Other0086551SD · Blue Cross Blue Shield

Medicaid7602640SD

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

FAHRENDORF FAMILY CHIROPRACTIC & WELLNESS, P.C.

Chiropractor

3909 S SOUTHEASTERN AVE
SIOUX FALLS, SD 57103

Minnehaha County (605) 334-8000

DR. ERIC MICHAEL FAHRENDORF D.C.

Chiropractor

3909 S SOUTHEASTERN AVE
SIOUX FALLS, SD 57103

Minnehaha County (605) 334-8000

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 Gregory Friesner's NPI number?

The NPI number for Gregory Friesner is 1477520385. It was assigned to this individual provider in the NPPES registry on March 1, 2006.

Where is Gregory Friesner located?

Gregory Friesner practices at 3909 S Southeastern Ave, Sioux Falls, SD 57103. The listed phone number is (605) 334-4722.

What is Gregory Friesner's specialty?

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

When was this NPI record last updated?

The NPPES record for Gregory Friesner was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days 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.