Christopher Sumey, MD

Addiction Medicine · Internal Medicine · Oncology

18+ years in practiceNPI: 1588836548Licensed in COLicensed in SD

About

Bio coming soon.

Are you Christopher Sumey, MD?

Claim your profile

Verify your identity, update your credentials, and take ownership of your listing on PBCMMG.

Claim Profile

Credentials & Recognition

Specialties

Addiction MedicineInternal MedicineOncology

NPI sub-specialties

Internal Medicine207R00000X

Internal Medicine, Hematology & Oncology207RH0003X

Practice Signals

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

Mid-Level (PA/NP) Use

Doctor-led visits

Google Reviews

2.8 / 5.0

6 reviews

Years in Practice

18+ years

Estimated from NPI enumeration date

Featured in PBCMMG Rankings

#38

Top Oncologists in South Dakota, 2026

Oncology · South Dakota · 2026

Other Addiction Medicine Doctors near South Dakota

View all →

Dr. Paul Aspaas, MD

South Dakota, SD · 21+ yrs

Dr. John Becker, MD

South Dakota, SD · 21+ yrs

Dr. William Bell, MD

South Dakota, SD · 21+ yrs

Dr. Nitya Brenner, MD

South Dakota, SD · 21+ yrs

Dr. Paul Brown, MD

South Dakota, SD · 21+ yrs

Dr. Douglas Brown, MD

South Dakota, SD · 21+ yrs

Frequently Asked Questions about Dr. Christopher Sumey, MD

Where does Dr. Christopher Sumey, MD practice?+
Dr. Christopher Sumey, MD practices in South Dakota, SD. 1309 W 17TH ST STE SUITE 101 SIOUX FALLS, SD 571048805.
What is Dr. Christopher Sumey, MD's phone number?+
Dr. Christopher Sumey, MD's practice phone is 605-328-8000. Office contact information is verified on the PBCMMG profile.
What does Dr. Christopher Sumey, MD specialize in?+
Dr. Christopher Sumey, MD's primary specialty is Addiction Medicine, with additional focus on Internal Medicine, Oncology.
Is Dr. Christopher Sumey, MD board certified?+
Board certification status for Dr. Christopher Sumey, 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. Christopher Sumey, MD been practicing?+
Dr. Christopher Sumey, MD has been in active practice for 18+ years, based on NPI enumeration and state licensing records.
What is Dr. Christopher Sumey, MD's NPI number?+
Dr. Christopher Sumey, MD's National Provider Identifier (NPI) is 1588836548, 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

See an error? info@pbcmmg.com

Are you Christopher Sumey, MD?

Claim & complete your profile →

Verify identity, upload proof, and update credentials. Approval typically 1-2 business days.