NPPES file of Aug 9, 2026

Washington Nephrology Associates L L P

Washington Nephrology Associates L L P holds 11 active organization NPIs in the federal registry, with practice locations in 8 Maryland cities. 10 list nephrology 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

Baltimore has the most NPIs, 3

  1. Baltimore3
  2. Rockville2
  3. Annapolis1
  4. Chevy Chase1
  5. Germantown1
  6. Glen Burnie1
  7. Silver Spring1
  8. Takoma Park1

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

Most NPIs were issued in 2006 and 2025

Washington Nephrology Associates L L P NPIs by year issued2006: 1, 2007: 0, 2008: 0, 2009: 0, 2010: 0, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 0, 2017: 0, 2018: 0, 2019: 0, 2020: 0, 2021: 0, 2022: 0, 2023: 0, 2024: 0, 2025: 9, 2026: 102.557.5102006200820102012201420162018202020222024202612025: 91
Washington Nephrology Associates L L P NPIs by year issued2006: 1, 2007: 0, 2008: 0, 2009: 0, 2010: 0, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 0, 2017: 0, 2018: 0, 2019: 0, 2020: 0, 2021: 0, 2022: 0, 2023: 0, 2024: 0, 2025: 9, 2026: 102.557.5102006200820102012201420162018202020222024202612025: 91
Washington Nephrology Associates L L P NPIs by year issued2006: 1, 2007: 0, 2008: 0, 2009: 0, 2010: 0, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 0, 2017: 0, 2018: 0, 2019: 0, 2020: 0, 2021: 0, 2022: 0, 2023: 0, 2024: 0, 2025: 9, 2026: 102.557.51020082011201420172020202320262006: 12025: 91

Source: CMS NPPES, enumeration dates.

9 NPIs were issued in 2025 alone, more than in any other year; none in 18 of the years between.

Baltimore locations

The city with the most Washington Nephrology Associates L L P NPIs. The full list of all 11 follows.

NPILocationPrimary taxonomyIssued
1568262749200 E 33RD ST STE 523, BaltimoreNephrology PhysicianMar 17, 2025
19723031545445 LOCH RAVEN BLVD STE 208, BaltimoreNephrology PhysicianMar 17, 2025
17905859822411 W BELVEDERE AVE STE 304, BaltimoreNephrology PhysicianMar 17, 2025
All 11 locations, by city
NPILocationPrimary taxonomyIssued
1568262848116 DEFENSE HWY STE 202, AnnapolisNephrology PhysicianMar 17, 2025
1568262749200 E 33RD ST STE 523, BaltimoreNephrology PhysicianMar 17, 2025
19723031545445 LOCH RAVEN BLVD STE 208, BaltimoreNephrology PhysicianMar 17, 2025
17905859822411 W BELVEDERE AVE STE 304, BaltimoreNephrology PhysicianMar 17, 2025
15288687265550 FRIENDSHIP BLVD STE 340, Chevy ChaseNephrology PhysicianMar 17, 2025
114402036312850 MIDDLEBROOK RD STE 209, GermantownNephrology PhysicianMar 17, 2025
116422244485 KINDRED WAY APT 103, Glen BurnieNephrology PhysicianMar 17, 2025
11241934791201 SEVEN LOCKS RD STE 200, RockvilleNephrology PhysicianNov 22, 2006
13066465181201 SEVEN LOCKS RD STE 200, RockvilleNephrology PhysicianMar 17, 2025
14572729322121 MEDICAL PARK DR STE 5, Silver SpringDiagnostic Radiology PhysicianJul 22, 2026
11541298077610 CARROLL AVE STE 270, Takoma ParkNephrology PhysicianMar 6, 2025

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 Washington Nephrology Associates L L P have 11 NPIs?

An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Washington Nephrology Associates L L P's NPIs list practice locations in 8 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.