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

DR. JOHN ROBERT FRITZ M.D.
NPI 1205870136
Internal Medicine in Aberdeen, SD

Active since June 14, 2006
1228 18TH AVE NE, ABERDEEN, SD 57401(605) 229-5323 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. John Robert Fritz M.d. NPPES

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

DR. JOHN ROBERT FRITZ M.D. (NPI 1205870136) is an individual internal medicine provider in Aberdeen, South Dakota, licensed in South Dakota (1775) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1205870136
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JOHN ROBERT FRITZCredential: M.D.
Location Address1228 18TH AVE NEAberdeen, SD 57401-1535
Mailing Address1228 18th Ave NeAberdeen, SD 57401-1535 · (605) 229-5323
Phone(605) 229-5323
Sole ProprietorNo
Enumeration DateJune 14, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1205870136 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in SD · 1775
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1228 18TH AVE NE, Aberdeen, SD 57401
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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 Fritz's NPI number?

The NPI number for John Fritz is 1205870136. It was assigned to this individual provider in the NPPES registry on June 14, 2006.

Where is John Fritz located?

John Fritz practices at 1228 18th Ave NE, Aberdeen, SD 57401. The listed phone number is (605) 229-5323.

What is John Fritz's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for John Fritz 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 25 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.