Registry data as of Aug 27, 2026

Grossman & Grossman

Grossman & Grossman holds 6 active organization NPIs in the federal registry, with practice locations in 5 Arizona cities. 4 list community/behavioral health agency 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

Phoenix has the most NPIs, 2

  1. Phoenix2
  2. Casa Grande1
  3. Gilbert1
  4. Scottsdale1
  5. Tucson1

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

Most NPIs were issued in 2011 and 2016

Grossman & Grossman NPIs by year issued2011: 1, 2012: 0, 2013: 1, 2014: 1, 2015: 0, 2016: 2, 2017: 0, 2018: 100.511.522011201220132014201520162017201812111
Grossman & Grossman NPIs by year issued2011: 1, 2012: 0, 2013: 1, 2014: 1, 2015: 0, 2016: 2, 2017: 0, 2018: 100.511.522011201220132014201520162017201812111
Grossman & Grossman NPIs by year issued2011: 1, 2012: 0, 2013: 1, 2014: 1, 2015: 0, 2016: 2, 2017: 0, 2018: 100.511.522011201220132014201520162017201812111

Source: CMS NPPES, enumeration dates.

2 NPIs were issued in 2016 alone, more than in any other year; none in 3 of the years between.

Phoenix locations

The city with the most Grossman & Grossman NPIs. The full list of all 6 follows.

NPILocationPrimary taxonomyIssued
11849214131300 N 12TH ST STE 550, PhoenixMental Health CounselorFeb 23, 2011
12456796201300 N 12TH ST STE 550, PhoenixCommunity/Behavioral Health AgencyJun 19, 2013
All 6 locations, by city
NPILocationPrimary taxonomyIssued
1104285964125 N FLORENCE ST, Casa GrandeCommunity/Behavioral Health AgencyFeb 22, 2016
18517118403420 S MERCY RD STE 109, GilbertCommunity/Behavioral Health AgencyApr 17, 2014
11849214131300 N 12TH ST STE 550, PhoenixMental Health CounselorFeb 23, 2011
12456796201300 N 12TH ST STE 550, PhoenixCommunity/Behavioral Health AgencyJun 19, 2013
12457192365929 E CHARTER OAK RD, ScottsdaleMental Health CounselorAug 9, 2018
10739710571707 W SAINT MARYS RD STE 245, TucsonCommunity/Behavioral Health AgencyFeb 4, 2016

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 Grossman & Grossman 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. Grossman & Grossman's NPIs list practice locations in 5 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.