NPPES file of Aug 9, 2026

Pratt Medical Group

Pratt Medical Group holds 17 active organization NPIs in the federal registry, with practice locations in 4 Massachusetts 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

Boston has the most NPIs, 14

  1. Boston14
  2. Framingham1
  3. Quincy1
  4. Wellesley1

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

Most NPIs were issued in 2006 and 2010

Pratt Medical Group NPIs by year issued2006: 2, 2007: 1, 2008: 0, 2009: 0, 2010: 10, 2011: 0, 2012: 1, 2013: 1, 2014: 0, 2015: 0, 2016: 0, 2017: 1, 2018: 0, 2019: 0, 2020: 0, 2021: 0, 2022: 0, 2023: 0, 2024: 0, 2025: 102.557.51020072009201120132015201720192021202320252006: 22010: 1011111
Pratt Medical Group NPIs by year issued2006: 2, 2007: 1, 2008: 0, 2009: 0, 2010: 10, 2011: 0, 2012: 1, 2013: 1, 2014: 0, 2015: 0, 2016: 0, 2017: 1, 2018: 0, 2019: 0, 2020: 0, 2021: 0, 2022: 0, 2023: 0, 2024: 0, 2025: 102.557.51020072009201120132015201720192021202320252006: 22010: 1011111
Pratt Medical Group NPIs by year issued2006: 2, 2007: 1, 2008: 0, 2009: 0, 2010: 10, 2011: 0, 2012: 1, 2013: 1, 2014: 0, 2015: 0, 2016: 0, 2017: 1, 2018: 0, 2019: 0, 2020: 0, 2021: 0, 2022: 0, 2023: 0, 2024: 0, 2025: 102.557.51020072010201320162019202220252006: 210

Source: CMS NPPES, enumeration dates.

10 NPIs were issued in 2010 alone, more than in any other year; none in 13 of the years between.

Boston locations

The city with the most Pratt Medical Group NPIs. The full list of all 17 follows.

NPILocationPrimary taxonomyIssued
1275570319800 WASHINGTON ST BOX 1013, BostonInternal Medicine PhysicianMay 31, 2006
1184661225800 WASHINGTON ST BOX 1013, BostonOrthopaedic Surgery PhysicianMay 31, 2006
1013237809800 WASHINGTON ST BOX 1013, BostonGastroenterology PhysicianJun 3, 2010
1104146992800 WASHINGTON ST BOX 1013, BostonEndocrinology, Diabetes & Metabolism PhysicianJun 3, 2010
1659691442800 WASHINGTON ST BOX 1013, BostonInfectious Disease PhysicianJun 3, 2010
1386964179800 WASHINGTON ST BOX 1013, BostonHematology & Oncology PhysicianJun 3, 2010
1841510633800 WASHINGTON ST BOX 1013, BostonCardiovascular Disease PhysicianJun 3, 2010
1508187642800 WASHINGTON ST BOX 1013, BostonPulmonary Disease PhysicianJun 11, 2010
All 17 locations, by city
NPILocationPrimary taxonomyIssued
1275570319800 WASHINGTON ST BOX 1013, BostonInternal Medicine PhysicianMay 31, 2006
1184661225800 WASHINGTON ST BOX 1013, BostonOrthopaedic Surgery PhysicianMay 31, 2006
1013237809800 WASHINGTON ST BOX 1013, BostonGastroenterology PhysicianJun 3, 2010
1104146992800 WASHINGTON ST BOX 1013, BostonEndocrinology, Diabetes & Metabolism PhysicianJun 3, 2010
1659691442800 WASHINGTON ST BOX 1013, BostonInfectious Disease PhysicianJun 3, 2010
1386964179800 WASHINGTON ST BOX 1013, BostonHematology & Oncology PhysicianJun 3, 2010
1841510633800 WASHINGTON ST BOX 1013, BostonCardiovascular Disease PhysicianJun 3, 2010
1508187642800 WASHINGTON ST BOX 1013, BostonPulmonary Disease PhysicianJun 11, 2010
1164743209800 WASHINGTON ST BOX 1013, BostonNephrology PhysicianJun 11, 2010
1336460476800 WASHINGTON ST BOX 1013, BostonInternal Medicine PhysicianJun 11, 2010
1871814913800 WASHINGTON ST BOX 1013, BostonRheumatology PhysicianJun 11, 2010
1639485790800 WASHINGTON ST #398, BostonGeneral Acute Care HospitalAug 27, 2010
1982119566800 WASHINGTON ST, BostonHospice and Palliative Medicine (Family Medicine) PhysicianDec 5, 2017
1063308823800 WASHINGTON ST, BostonInternal Medicine PhysicianJun 17, 2025
183153959285 WORCESTER RD, FraminghamInternal Medicine PhysicianJun 26, 2013
14475252411690 CROWN COLONY DR SUITE 209, QuincyInternal Medicine PhysicianMar 13, 2012
1528240751873 WORCESTER ST, WellesleySleep Medicine (Internal Medicine) PhysicianNov 29, 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 Pratt Medical Group have 17 NPIs?

An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Pratt Medical Group'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.