NPPES file of Aug 9, 2026

Mill Hill Medical Consultants

Mill Hill Medical Consultants holds 8 active organization NPIs in the federal registry, with practice locations in 2 Connecticut cities. 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

Greenwich has the most NPIs, 6

  1. Greenwich6
  2. New Haven2

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

Most NPIs were issued in 2006 and 2010

Mill Hill Medical Consultants NPIs by year issued2006: 5, 2007: 0, 2008: 0, 2009: 0, 2010: 302462006200720082009201053
Mill Hill Medical Consultants NPIs by year issued2006: 5, 2007: 0, 2008: 0, 2009: 0, 2010: 302462006200720082009201053
Mill Hill Medical Consultants NPIs by year issued2006: 5, 2007: 0, 2008: 0, 2009: 0, 2010: 302462006200720082009201053

Source: CMS NPPES, enumeration dates.

5 NPIs were issued in 2006 alone, more than in any other year; none in 3 of the years between.

Greenwich locations

The city with the most Mill Hill Medical Consultants NPIs. The full list of all 8 follows.

NPILocationPrimary taxonomyIssued
124524954977 LAFAYETTE PL SUITE 302, GreenwichSurgical Oncology PhysicianAug 5, 2006
17301985735 PERRYRIDGE RD, GreenwichMaternal & Fetal Medicine PhysicianAug 7, 2006
11442309545 PERRYRIDGE RD, GreenwichPain Medicine (Anesthesiology) PhysicianAug 8, 2006
139675524555 HOLLY HILL LN SUITE 240, GreenwichCardiovascular Disease PhysicianAug 9, 2006
18816072325 PERRYRIDGE RD, GreenwichHospitalist PhysicianAug 15, 2006
18415202935 PERRYRIDGE RD, GreenwichHospitalist PhysicianJan 7, 2010
All 8 locations, by city
NPILocationPrimary taxonomyIssued
124524954977 LAFAYETTE PL SUITE 302, GreenwichSurgical Oncology PhysicianAug 5, 2006
17301985735 PERRYRIDGE RD, GreenwichMaternal & Fetal Medicine PhysicianAug 7, 2006
11442309545 PERRYRIDGE RD, GreenwichPain Medicine (Anesthesiology) PhysicianAug 8, 2006
139675524555 HOLLY HILL LN SUITE 240, GreenwichCardiovascular Disease PhysicianAug 9, 2006
18816072325 PERRYRIDGE RD, GreenwichHospitalist PhysicianAug 15, 2006
18415202935 PERRYRIDGE RD, GreenwichHospitalist PhysicianJan 7, 2010
195262476920 YORK ST CB 2041, New HavenHospitalist PhysicianMar 8, 2010
1891019675874 HOWARD AVE, New HavenGeriatric Medicine (Internal Medicine) PhysicianMar 23, 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 Mill Hill Medical Consultants have 8 NPIs?

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