Registry data as of Aug 27, 2026

Step One

Step One holds 7 active organization NPIs in the federal registry, with practice locations in 3 cities in 2 states. 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, MD has the most NPIs, 5

  1. Baltimore, MD5
  2. Parkville, MD1
  3. Waxahachie, TX1

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

Most NPIs were issued in 2022 and 2023

Step One NPIs by year issued2010: 1, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 0, 2017: 0, 2018: 0, 2019: 0, 2020: 1, 2021: 1, 2022: 2, 2023: 200.511.5220112013201520172019202120232022: 22111
Step One NPIs by year issued2010: 1, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 0, 2017: 0, 2018: 0, 2019: 0, 2020: 1, 2021: 1, 2022: 2, 2023: 200.511.522010201120122013201420152016201720182019202020212022202322111
Step One NPIs by year issued2010: 1, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 0, 2017: 0, 2018: 0, 2019: 0, 2020: 1, 2021: 1, 2022: 2, 2023: 200.511.5220112013201520172019202120232022: 22111

Source: CMS NPPES, enumeration dates.

2 NPIs were issued in 2022 alone, more than in any other year; none in 9 of the years between.

Baltimore, MD locations

The city with the most Step One NPIs. The full list of all 7 follows.

NPILocationPrimary taxonomyIssued
15286823663101 LAWNVIEW AVE, Baltimore, MDCommunity/Behavioral Health AgencyJun 7, 2020
19520236085628 GREENHILL AVE, Baltimore, MDSubstance Abuse Rehabilitation FacilitySep 19, 2022
10136250115628 GREENHILL AVE, Baltimore, MDCommunity/Behavioral Health AgencyNov 8, 2022
15580407824408 RITCHIE HWY, Baltimore, MDMental Health CounselorJul 14, 2023
19429891734408 RITCHIE HWY, Baltimore, MDAddiction (Substance Use Disorder) CounselorJul 14, 2023
All 7 locations, by state and city
NPILocationPrimary taxonomyIssued
15286823663101 LAWNVIEW AVE, Baltimore, MDCommunity/Behavioral Health AgencyJun 7, 2020
19520236085628 GREENHILL AVE, Baltimore, MDSubstance Abuse Rehabilitation FacilitySep 19, 2022
10136250115628 GREENHILL AVE, Baltimore, MDCommunity/Behavioral Health AgencyNov 8, 2022
15580407824408 RITCHIE HWY, Baltimore, MDMental Health CounselorJul 14, 2023
19429891734408 RITCHIE HWY, Baltimore, MDAddiction (Substance Use Disorder) CounselorJul 14, 2023
15781450583228 NORTHWAY DR, Parkville, MDCommunity/Behavioral Health AgencyApr 25, 2021
1326357807201 E MAIN ST SUITE 201, Waxahachie, TXPhlebotomy TechnicianSep 30, 2010

Related names

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 Step One 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. Step One'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.