1. Home
  2. Directory
  3. South Dakota
  4. Sioux Falls
  5. Internal Medicine
  6. NPI Profile

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: July 19, 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
Open in Google Maps ↗

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

What is MIDWESTERN ENDOCRINOLOGY LTD's NPI number?

The NPI number assigned to this healthcare provider is 1942230636, enumerated as an "organization" on July 05, 2006.

Where is the provider located?

The provider is located at 3926 S WESTERN AVE SIOUX FALLS, SD 57105 and the phone number is (605) 275-6525.

What is the provider's specialty?

Internal Medicine with taxonomy code 207RE0101X and a focus in Endocrinology, Diabetes & Metabolism.

What insurance does MIDWESTERN ENDOCRINOLOGY LTD accept?

The provider might be accepting Accepts: Sanford Health Plan, Railroad Medicare, Medicare,. Please consult your insurance carrier or call the provider to verify.