NPPES file of Aug 9, 2026

Mt Auburn Professional Services

Mt Auburn Professional Services holds 6 active organization NPIs in the federal registry, with practice locations in 3 Massachusetts cities. 3 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

Cambridge has the most NPIs, 3

  1. Cambridge3
  2. Watertown2
  3. Somerville1

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

Most NPIs were issued in 2006 and 2007

Mt Auburn Professional Services NPIs by year issued2006: 3, 2007: 1, 2008: 0, 2009: 0, 2010: 0, 2011: 1, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 10123200620072008200920102011201220132014201520163111
Mt Auburn Professional Services NPIs by year issued2006: 3, 2007: 1, 2008: 0, 2009: 0, 2010: 0, 2011: 1, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 10123200620072008200920102011201220132014201520163111
Mt Auburn Professional Services NPIs by year issued2006: 3, 2007: 1, 2008: 0, 2009: 0, 2010: 0, 2011: 1, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 10123200620082010201220142016311

Source: CMS NPPES, enumeration dates.

3 NPIs were issued in 2006 alone, more than in any other year; none in 7 of the years between.

Cambridge locations

The city with the most Mt Auburn Professional Services NPIs. The full list of all 6 follows.

NPILocationPrimary taxonomyIssued
1396855722725 CONCORD AVE SUITE 2000, CambridgeInternal Medicine PhysicianAug 30, 2006
1184907859725 CONCORD AVE SUITE 3600, CambridgePodiatristSep 20, 2011
1013375203725 CONCORD AVE SUITE 4100, CambridgeInternal Medicine PhysicianFeb 3, 2016
All 6 locations, by city
NPILocationPrimary taxonomyIssued
1396855722725 CONCORD AVE SUITE 2000, CambridgeInternal Medicine PhysicianAug 30, 2006
1184907859725 CONCORD AVE SUITE 3600, CambridgePodiatristSep 20, 2011
1013375203725 CONCORD AVE SUITE 4100, CambridgeInternal Medicine PhysicianFeb 3, 2016
101392179020 HOLLAND ST SUITE 407, SomervilleInternal Medicine PhysicianJul 28, 2006
1407865439ONE ARSENAL MARKETPLACE, WatertownObstetrics & Gynecology PhysicianAug 7, 2006
1164640306ONE ARSENAL MARKETPLACE, WatertownEmergency Medicine PhysicianApr 23, 2007

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 Mt Auburn Professional Services have 6 NPIs?

An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Mt Auburn Professional Services's NPIs list practice locations in 3 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.