Registry data as of Aug 27, 2026

Tom Sowash Od & Associates

Tom Sowash Od & Associates holds 46 active organization NPIs in the federal registry, with practice locations in 14 Arizona cities. 29 list optometrist 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, 13

  1. Phoenix13
  2. Mesa8
  3. Tucson6
  4. Chandler3
  5. Casa Grande2
  6. Flagstaff2
  7. Gilbert2
  8. Glendale2

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

Most NPIs were issued in 2006 and 2009

Tom Sowash Od & Associates NPIs by year issued2006: 13, 2007: 1, 2008: 4, 2009: 18, 2010: 0, 2011: 1, 2012: 0, 2013: 0, 2014: 0, 2015: 1, 2016: 4, 2017: 0, 2018: 0, 2019: 0, 2020: 0, 2021: 2, 2022: 1, 2023: 0, 2024: 1051015202006200820102012201420162018202020222024132009: 1814114211
Tom Sowash Od & Associates NPIs by year issued2006: 13, 2007: 1, 2008: 4, 2009: 18, 2010: 0, 2011: 1, 2012: 0, 2013: 0, 2014: 0, 2015: 1, 2016: 4, 2017: 0, 2018: 0, 2019: 0, 2020: 0, 2021: 2, 2022: 1, 2023: 0, 2024: 1051015202006200720082009201020112012201320142015201620172018201920202021202220232024131814114211
Tom Sowash Od & Associates NPIs by year issued2006: 13, 2007: 1, 2008: 4, 2009: 18, 2010: 0, 2011: 1, 2012: 0, 2013: 0, 2014: 0, 2015: 1, 2016: 4, 2017: 0, 2018: 0, 2019: 0, 2020: 0, 2021: 2, 2022: 1, 2023: 0, 2024: 10510152020062009201220152018202120241318

Source: CMS NPPES, enumeration dates.

18 NPIs were issued in 2009 alone, more than in any other year; none in 9 of the years between.

Phoenix locations

The city with the most Tom Sowash Od & Associates NPIs. The full list of all 46 follows.

NPILocationPrimary taxonomyIssued
18019831849617 NORTH METRO PARKWAY WEST SUITE 1160, PhoenixEyewear SupplierOct 6, 2006
16190649877611 W THOMAS RD, PhoenixEyewear SupplierOct 6, 2006
14079437721645 W BETHANY HOME RD, PhoenixEyewear SupplierOct 6, 2006
15787786357000 E MAYO BLVD BLDG A SUITE 1034, PhoenixEyewear SupplierMay 11, 2007
18010330144933 E RAY RD #103, PhoenixOptometristJan 9, 2009
18111340347000 E MAYO BLVD BLDG A STE. 1034, PhoenixOptometristJan 9, 2009
13161845429617 NORTH PARKWAY WEST #1160, PhoenixOptometristJan 9, 2009
15989027104575 E CACTUS RD STE 100A, PhoenixOptometristJan 9, 2009
All 46 locations, by city
NPILocationPrimary taxonomyIssued
116497486110285 WEST MCDOWELL RD STE 102, AvondaleOptometristOct 28, 2016
1881865889917 N PROMENADE PKWY SUITE 101, Casa GrandeEyewear SupplierMar 18, 2008
1548407760917 N PROMENADE PKWY STE. .101, Casa GrandeOptometristJan 9, 2009
11746272023431 W FRYE RD STE 1, ChandlerOptometristSep 11, 2006
18110880733111 W CHANDLER BLVD SUITE 1124, ChandlerEyewear SupplierSep 27, 2006
17003319723977 S ARIZONA AVE STE 5, ChandlerOptometristAug 17, 2016
12958271864650 N US HIGHWAY 89 SPACE C2, FlagstaffEyewear SupplierSep 28, 2006
19828411024650 N US HIGHWAY 89 SPACE C-2, FlagstaffOptometristJan 9, 2009
10939854002156 E WILLIAMS FIELD RD SUITE 104, GilbertEyewear SupplierMar 3, 2008
16393168542156 E WILLIAMS FIELD RD STE. 104, GilbertOptometristJan 9, 2009
19524908567700 WEST ARROWHEAD TOWNE CENTER, GlendaleEyewear SupplierOct 11, 2006
12757704897700 W ARROWHEAD TOWNE CTR, GlendaleOptometristJan 9, 2009
183134911714009 W. MCDOWELL RD, GoodyearEyewear SupplierSep 24, 2008
170002302514009 W MCDOWELL ROAD, GoodyearOptometristJan 8, 2009
14776454631445 W SOUTHERN AVE SPACE 2192, MesaEyewear SupplierSep 28, 2006
17807710141938 S DOBSON RD, MesaEyewear SupplierOct 6, 2006
10534083446555 E SOUTHERN AVE SUITE 2410, MesaEyewear SupplierOct 6, 2006
11747603001445 W SOUTHERN AVE SPACE 2192, MesaOptometristJan 9, 2009
14676996781938 S DOBSON RD, MesaOptometristJan 9, 2009
17303269436555 E SOUTHERN AVE #2410, MesaOptometristJan 9, 2009
16295206631826 S SIGNAL BUTTE RD SUITE 101, MesaOptometristOct 25, 2016
13660315771855 S STAPLEY DR STE 103, MesaOptometristJan 12, 2021
18019831849617 NORTH METRO PARKWAY WEST SUITE 1160, PhoenixEyewear SupplierOct 6, 2006
16190649877611 W THOMAS RD, PhoenixEyewear SupplierOct 6, 2006
14079437721645 W BETHANY HOME RD, PhoenixEyewear SupplierOct 6, 2006
15787786357000 E MAYO BLVD BLDG A SUITE 1034, PhoenixEyewear SupplierMay 11, 2007
18010330144933 E RAY RD #103, PhoenixOptometristJan 9, 2009
18111340347000 E MAYO BLVD BLDG A STE. 1034, PhoenixOptometristJan 9, 2009
13161845429617 NORTH PARKWAY WEST #1160, PhoenixOptometristJan 9, 2009
15989027104575 E CACTUS RD STE 100A, PhoenixOptometristJan 9, 2009
13767805857611 W THOMAS RD STE. B-018, PhoenixOptometristJan 9, 2009
18111340261645 W BETHANY HOME RD, PhoenixOptometristJan 9, 2009
12256274412460 W HAPPY VALLEY RD STE 1163, PhoenixOptometristJan 12, 2021
13964823602002 E CAMELBACK RD STE 101, PhoenixOptometristMay 19, 2022
14672861202445 E BASELINE RD STE 131, PhoenixOptometristAug 27, 2024
127598063321227 S ELLSWORTH LOOP RD STE 102, Queen CreekOptometristMay 16, 2016
10433072189039 E INDIAN BEND RD, ScottsdaleEyewear SupplierOct 6, 2006
17202259319039 E INDIAN BEND RD, ScottsdaleOptometristJan 9, 2009
106379385913371 W GRAND AVE STE. 102, SurpriseOptometristSep 7, 2011
12557074772020 E RIO SALADO PKWY SUITE 101, TempeOptometristAug 12, 2015
16190763125870 EAST BROADWAY BLVD SPACE 506, TucsonEyewear SupplierSep 21, 2006
16099660684631 N ORACLE RD, TucsonEyewear SupplierOct 13, 2006
11040750505271 S CALLE SANTA CRUZ, TucsonEyewear SupplierSep 16, 2008
13161845345271 S CALLE SANTA CRUZ, TucsonOptometristJan 9, 2009
17101249204631 N ORACLE RD #175, TucsonOptometristJan 9, 2009
11949623165870 E BROADWAY BLVD SPACE 506, TucsonOptometristJan 9, 2009

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 Tom Sowash Od & Associates have 46 NPIs?

An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Tom Sowash Od & Associates's NPIs list practice locations in 14 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.