LEONARD MARK GUTNIK M.D.
NPI 1841265543
Internal Medicine in Sioux Falls, SD

Active since February 17, 2006
6100 S LOUISE AVE STE 1120, SIOUX FALLS, SD 57108(605) 504-1700 Get Directions Write a Review

NPPES record last updated: October 31, 2019. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Oct 31, 2019, Oct 11, 2018 (2 updates tracked since 2018).

About Leonard Mark Gutnik M.d. NPPES

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

LEONARD MARK GUTNIK M.D. (NPI 1841265543) is an individual internal medicine provider in Sioux Falls, South Dakota, licensed in South Dakota (2478) and active in the NPI registry since February 2006. He maintains a secondary practice location in Sioux Falls.

NPPES Registry Identity

NPI1841265543
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameLEONARD MARK GUTNIKCredential: M.D.
Location Address6100 S LOUISE AVE STE 1120Sioux Falls, SD 57108-6021
Mailing AddressPo Box 86370Sioux Falls, SD 57118-6370 · (605) 322-7510 · Fax (605) 322-6475
Sole ProprietorNo
Enumeration DateFebruary 17, 2006
Last NPPES UpdateOctober 31, 20192 updates tracked since enumeration
NPI 1841265543 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 · 2478
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.
6100 S LOUISE AVE STE 1120, Sioux Falls, SD 57108

Secondary Practice Location 1

Location 11301 S. Cliff Ave, Ste 400Sioux Falls, SD 57105-1023 · Phone (605) 322-5750 · Fax (605) 322-5799

Other Identifiers 18

Other370624200SD · Dept Of Labor
Medicaid46022474335NE
Other57105F002SD · Wps Tricare
OtherHP32254SD · Healthpartners
Other24850SD · Sanford Health Plan
Other30B75GUMN · Cc Systems/ Blue Plus
Other0005586SD · Blue Cross
Other110211778SD · Rr Medicare
Medicaid12262ND
Medicaid914505200MN
Other1526SD · Midlands Choice
Other2478SD · Dakotacare
Medicaid6000623SD
Other769201017553SD · Preferred One
Other92411422901MN · Primewest
Other0404413SD · Medica
Other23146SD · Araz/ America's Ppo
Medicaid2920900IA

Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
6100 S LOUISE AVE STE 1120
SIOUX FALLS, SD 57108
Nurse Practitioner
6100 S LOUISE AVE STE 1120
SIOUX FALLS, SD 57108
Nurse Practitioner (Family)
6100 S LOUISE AVE STE 1120
SIOUX FALLS, SD 57108
Nurse Practitioner (Family)
6100 S LOUISE AVE STE 1120
SIOUX FALLS, SD 57108
Internal Medicine
6100 S LOUISE AVE STE 1120
SIOUX FALLS, SD 57108
Internal Medicine
6100 S LOUISE AVE STE 1120
SIOUX FALLS, SD 57108
Internal Medicine
6100 S LOUISE AVE STE 1120
SIOUX FALLS, SD 57108
Internal Medicine
6100 S LOUISE AVE STE 1120
SIOUX FALLS, SD 57108

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 Leonard Gutnik's NPI number?

The NPI number for Leonard Gutnik is 1841265543. It was assigned to this individual provider in the NPPES registry on February 17, 2006.

Where is Leonard Gutnik located?

Leonard Gutnik practices at 6100 S Louise Ave Ste 1120, Sioux Falls, SD 57108. The listed phone number is (605) 504-1700.

What is Leonard Gutnik'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 Leonard Gutnik was last updated on October 31, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.