Charles Longo, MD

Cardiology · Endocrinology

20+ years in practiceNPI: 1841266608Licensed in SD

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Credentials & Recognition

Specialties

CardiologyEndocrinology

NPI sub-specialties

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

20+ years

Estimated from NPI enumeration date

Featured in PBCMMG Rankings

#25

Top Endocrinologists in South Dakota, 2026

Endocrinology · South Dakota · 2026

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Frequently Asked Questions about Dr. Charles Longo, MD

Where does Dr. Charles Longo, MD practice?+
Dr. Charles Longo, MD practices in Iowa, IA. 1315 S. CLIFF AVE STE 3000 SIOUX FALLS, SD 571051061.
What is Dr. Charles Longo, MD's phone number?+
Dr. Charles Longo, MD's practice phone is 605-322-7600. Office contact information is verified on the PBCMMG profile.
What does Dr. Charles Longo, MD specialize in?+
Dr. Charles Longo, MD's primary specialty is Cardiology, with additional focus on Endocrinology.
Is Dr. Charles Longo, MD board certified?+
Board certification status for Dr. Charles Longo, 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. Charles Longo, MD been practicing?+
Dr. Charles Longo, MD has been in active practice for 20+ years, based on NPI enumeration and state licensing records.
What is Dr. Charles Longo, MD's NPI number?+
Dr. Charles Longo, MD's National Provider Identifier (NPI) is 1841266608, 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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