NPPES file of Aug 9, 2026

Medical Specialists INC

Medical Specialists INC holds 7 active organization NPIs in the federal registry, with practice locations in 4 Indiana cities. 4 list internal medicine physician as their primary taxonomy; each location can bill under its own NPI.

CMS NPPES registry, file of Aug 9, 2026 · legal names grouped after punctuation and "LLC" are removed · method · Verify with CMS →

Which NPI is yours?

Search the organization with your city to find the NPI for the location you visit or bill.

Find a location's NPI

Munster has the most NPIs, 4

  1. Munster4
  2. Dyer1
  3. Hammond1
  4. Saint John1

Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.

Most NPIs were issued in 2006 and 2010

Medical Specialists INC NPIs by year issued2006: 1, 2007: 0, 2008: 0, 2009: 0, 2010: 602462006200720082009201016
Medical Specialists INC NPIs by year issued2006: 1, 2007: 0, 2008: 0, 2009: 0, 2010: 602462006200720082009201016
Medical Specialists INC NPIs by year issued2006: 1, 2007: 0, 2008: 0, 2009: 0, 2010: 602462006200720082009201016

Source: CMS NPPES, enumeration dates.

6 NPIs were issued in 2010 alone, more than in any other year; none in 3 of the years between.

Munster locations

The city with the most Medical Specialists INC NPIs. The full list of all 7 follows.

NPILocationPrimary taxonomyIssued
1265485635757 45TH STREET STE 201 MEDICAL SPECIALISTS, MunsterInfectious Disease PhysicianMay 18, 2006
16596032311950-45TH STREET STE 201, MunsterInternal Medicine PhysicianFeb 5, 2010
10031486859034 COLUMBIA AVE, MunsterOrthopaedic Surgery PhysicianFeb 5, 2010
1194057778761-45TH STREET STE 110, MunsterEndocrinology, Diabetes & Metabolism PhysicianFeb 5, 2010
All 7 locations, by city
NPILocationPrimary taxonomyIssued
1922330505919 MAIN ST STE 102, DyerInternal Medicine PhysicianFeb 5, 2010
10132496975529 HOHMAN AVE, HammondInternal Medicine PhysicianFeb 5, 2010
1265485635757 45TH STREET STE 201 MEDICAL SPECIALISTS, MunsterInfectious Disease PhysicianMay 18, 2006
16596032311950-45TH STREET STE 201, MunsterInternal Medicine PhysicianFeb 5, 2010
10031486859034 COLUMBIA AVE, MunsterOrthopaedic Surgery PhysicianFeb 5, 2010
1194057778761-45TH STREET STE 110, MunsterEndocrinology, Diabetes & Metabolism PhysicianFeb 5, 2010
156879414710200 WICKER AVE, Saint JohnInternal Medicine PhysicianFeb 5, 2010

Checking an organization

  1. Match the NPI to the exact location you will visit or bill; each location can have its own.
  2. Confirm the business entity with the secretary of state.
  3. Check the HHS-OIG exclusion list for the organization and its owners.
  4. Verify each clinician you will see on their own record and with the state license search.

Common questions

Why does Medical Specialists INC have 7 NPIs?

An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Medical Specialists INC's NPIs list practice locations in 4 cities.

Is an organization NPI a license?

No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.

Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.