Registry data as of Aug 27, 2026

Guardian Anesthesia Services

Guardian Anesthesia Services holds 23 active organization NPIs in the federal registry, with practice locations in 16 cities in 9 states. 18 list anesthesiology 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

Centennial, CO has the most NPIs, 3

  1. Centennial, CO3
  2. Parker, CO3
  3. Denver, CO2
  4. Littleton, CO2
  5. Houston, TX2
  6. Conway, AR1
  7. Englewood, CO1
  8. Greenwood Village, CO1

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

Most NPIs were issued in 2006 and 2020

Guardian Anesthesia Services NPIs by year issued2006: 5, 2007: 1, 2008: 0, 2009: 0, 2010: 1, 2011: 2, 2012: 0, 2013: 0, 2014: 1, 2015: 0, 2016: 0, 2017: 0, 2018: 0, 2019: 0, 2020: 7, 2021: 5, 2022: 10246820062008201020122014201620182020202257112151
Guardian Anesthesia Services NPIs by year issued2006: 5, 2007: 1, 2008: 0, 2009: 0, 2010: 1, 2011: 2, 2012: 0, 2013: 0, 2014: 1, 2015: 0, 2016: 0, 2017: 0, 2018: 0, 2019: 0, 2020: 7, 2021: 5, 2022: 1024682006200720082009201020112012201320142015201620172018201920202021202257112151
Guardian Anesthesia Services NPIs by year issued2006: 5, 2007: 1, 2008: 0, 2009: 0, 2010: 1, 2011: 2, 2012: 0, 2013: 0, 2014: 1, 2015: 0, 2016: 0, 2017: 0, 2018: 0, 2019: 0, 2020: 7, 2021: 5, 2022: 10246820062008201020122014201620182020202257112151

Source: CMS NPPES, enumeration dates.

7 NPIs were issued in 2020 alone, more than in any other year; none in 9 of the years between.

Centennial, CO locations

The city with the most Guardian Anesthesia Services NPIs. The full list of all 23 follows.

NPILocationPrimary taxonomyIssued
162967202715530 E BRONCOS PKWY UNIT 100, Centennial, COAnesthesiology PhysicianNov 25, 2020
163975342914200 E ARAPAHOE RD, Centennial, COAnesthesiology PhysicianMay 8, 2021
152873119714200 E ARAPAHOE RD, Centennial, COAnesthesiology PhysicianJul 29, 2021
All 23 locations, by state and city
NPILocationPrimary taxonomyIssued
1215267513725 DIANE LN, Conway, ARCertified Registered Nurse AnesthetistJan 8, 2010
162967202715530 E BRONCOS PKWY UNIT 100, Centennial, COAnesthesiology PhysicianNov 25, 2020
163975342914200 E ARAPAHOE RD, Centennial, COAnesthesiology PhysicianMay 8, 2021
152873119714200 E ARAPAHOE RD, Centennial, COAnesthesiology PhysicianJul 29, 2021
15983691912525 S DOWNING ST, Denver, COAnesthesiology PhysicianNov 24, 2020
14074508021000 E HARVARD AVE, Denver, COAnesthesiology PhysicianNov 25, 2020
1043814676125 INVERNESS DR E STE 150, Englewood, COAnesthesiology PhysicianNov 24, 2020
14670324255351 S ROSLYN ST STE 300, Greenwood Village, COAnesthesiology PhysicianApr 13, 2021
1427628452300 EXEMPLA CIR STE 130, Lafayette, COAnesthesiology PhysicianJun 30, 2021
141754844711 W DRY CREEK CIR STE 120, Littleton, COAnesthesiology PhysicianFeb 2, 2021
115403055911 W DRY CREEK CIR, Littleton, COAnesthesiology PhysicianNov 15, 2022
184189445810101 RIDGEGATE PKWY, Lone Tree, COAnesthesiology PhysicianNov 24, 2020
10139467979395 CROWN CREST BLVD, Parker, COAnesthesiology PhysicianJul 3, 2006
17004801009235 CROWN CREST BLVD STE 250, Parker, COAnesthesiology PhysicianNov 25, 2020
11246225439397 CROWN CREST BLVD STE 110, Parker, COAnesthesiology PhysicianNov 25, 2020
17301414742901 W SWANN AVE, Tampa, FLAnesthesiology PhysicianApr 6, 2006
11241032053840 W 75TH ST, Prairie Village, KSCertified Registered Nurse AnesthetistOct 26, 2006
127556310827327 DRIFTWOOD RD, Folsom, LACertified Registered Nurse AnesthetistJul 4, 2006
12456343102333 PROGRESS ST, West Branch, MIAnesthesiology PhysicianOct 17, 2014
11949200664321 WASHINGTON ST, Kansas City, MOCertified Registered Nurse AnesthetistJun 19, 2007
12058030954526 E 102ND ST, Tulsa, OKAnesthesiology PhysicianMar 1, 2006
11041945621002 GEMINI ST SUITE 128, Houston, TXAnesthesiology PhysicianDec 13, 2011
14576209401002 GEMINI ST SUITE 128, Houston, TXCertified Registered Nurse AnesthetistDec 29, 2011

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 Guardian Anesthesia Services have 23 NPIs?

An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Guardian Anesthesia Services's NPIs list practice locations in 16 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.