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MIDWESTERN ENDOCRINOLOGY LTD
NPI 1942230636
Internal Medicine - Endocrinology, Diabetes & Metabolism in Sioux Falls, SD

Active since July 05, 2006
3926 S WESTERN AVE, SIOUX FALLS, SD 57105(605) 275-6525(605) 275-6970 Get Directions Write a Review

NPPES record last updated: February 21, 2013. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Midwestern Endocrinology Ltd NPPES

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

MIDWESTERN ENDOCRINOLOGY LTD (NPI 1942230636) is a healthcare organization registered as an endocrinology, diabetes & metabolism in Sioux Falls, South Dakota and active in the NPI registry since July 2006. The organization lists Mark J Oppenheimer, Owner/provider, as its authorized official.

NPPES Registry Identity

NPI1942230636
Entity TypeOrganization
Primary Taxonomy207RE0101X
Legal Business NameMIDWESTERN ENDOCRINOLOGY LTD
Location Address3926 S WESTERN AVESioux Falls, SD 57105-6513
Mailing AddressPo Box 5126Sioux Falls, SD 57117-5126 · (605) 335-1952 · Fax (605) 373-9971
Phone(605) 275-6525
Fax(605) 275-6970
Organization SubpartNo
Authorized OfficialMark J OppenheimerOwner/provider · (605) 275-6525
Enumeration DateJuly 5, 2006
Last NPPES UpdateFebruary 21, 2013
✔ NPI 1942230636 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in SD · 0439
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
3926 S WESTERN AVE, Sioux Falls, SD 57105
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Other Identifiers 3

OtherDC8611Railroad Medicare
Other494R1MIMN · Bcbs
Medicare PINS100163SD

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Sanford Health Plan.Insurance ›

Other Providers at the Same Location NPPES

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

MARK J OPPENHEIMER MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
3926 S WESTERN AVE
SIOUX FALLS, SD 57105
Minnehaha County (605) 275-6525

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 Midwestern Endocrinology Ltd's NPI number?

The NPI number for Midwestern Endocrinology Ltd is 1942230636. It was assigned to this organization in the NPPES registry on July 5, 2006.

Where is Midwestern Endocrinology Ltd located?

Midwestern Endocrinology Ltd is located at 3926 S Western Ave, Sioux Falls, SD 57105. The listed phone number is (605) 275-6525.

What is Midwestern Endocrinology Ltd's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

What insurance does Midwestern Endocrinology Ltd accept?

Health plans from Sanford Health Plan list Midwestern Endocrinology Ltd as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Midwestern Endocrinology Ltd was last updated on February 21, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.