JOHN MICHAEL RATZLOFF
NPI 1164344321
Psychologist - School in Sioux Falls, SD
About John Michael Ratzloff NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN MICHAEL RATZLOFF (NPI 1164344321) is an individual school provider in Sioux Falls, South Dakota and active in the NPI registry since July 2026.
NPPES Registry Identity
Specialties & Licenses
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 John Ratzloff's NPI number?
The NPI number for John Ratzloff is 1164344321. It was assigned to this individual provider in the NPPES registry on July 29, 2026.
Where is John Ratzloff located?
John Ratzloff practices at 8505 E Torchwood Pl, Sioux Falls, SD 57110. The listed phone number is (605) 261-1324.
What is John Ratzloff's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in School, with taxonomy code 103TS0200X.
When was this NPI record last updated?
The NPPES record for John Ratzloff was last updated on July 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.