Randall Fenner, MD

Endocrinology

18+ years in practiceNPI: 1073780375Licensed in NHLicensed in SD

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Credentials & Recognition

Specialties

Endocrinology

NPI sub-specialties

Internal Medicine, Endocrinology, Diabetes & Metabolism207RE0101X

Student in an Organized Health Care Education/Training Program390200000X

Internal Medicine, Endocrinology, Diabetes & Metabolism207RE0101X

Practice Signals

Editorial signals beyond credentials. Patient transparency over opacity. See methodology.

Mid-Level (PA/NP) Use

Doctor-led visits

Years in Practice

18+ years

Estimated from NPI enumeration date

Featured in PBCMMG Rankings

#2

Top Endocrinologists in South Dakota, 2026

Endocrinology · South Dakota · 2026

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Frequently Asked Questions about Dr. Randall Fenner, MD

Where does Dr. Randall Fenner, MD practice?+
Dr. Randall Fenner, MD practices in South Dakota, SD. 1305 W 18TH ST SIOUX FALLS, SD 571050401.
What is Dr. Randall Fenner, MD's phone number?+
Dr. Randall Fenner, MD's practice phone is 605-328-8700. Office contact information is verified on the PBCMMG profile.
What does Dr. Randall Fenner, MD specialize in?+
Dr. Randall Fenner, MD's primary specialty is Endocrinology.
Is Dr. Randall Fenner, MD board certified?+
Board certification status for Dr. Randall Fenner, MD has not been verified in the data sources PBCMMG uses (ABMS, state medical boards). The PBCMMG profile shows their current credential set.
How long has Dr. Randall Fenner, MD been practicing?+
Dr. Randall Fenner, MD has been in active practice for 18+ years, based on NPI enumeration and state licensing records.
What is Dr. Randall Fenner, MD's NPI number?+
Dr. Randall Fenner, MD's National Provider Identifier (NPI) is 1073780375, registered in the federal NPPES registry.

Profile maintained by Palm Beach County Medical Media Group, Inc. | Data verified from public registries (NPPES, ABMS, state medical boards). Methodology · Editorial Standards

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