NPPES file of Aug 9, 2026

Guardian Anesthesia Services, INC in Parker, CO

This location of Guardian Anesthesia Services bills under NPI 1700480100, an organization record issued on Nov 25, 2020 with the primary taxonomy Anesthesiology Physician. It is one of 23 NPIs registered under this name and one of 3 in Parker; each clinician who sees you there has their own NPI and license.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

Organization recordNPPES, Aug 2026
1700480100
Legal name
Guardian Anesthesia Services, INC
Entity
Type 2 · organization
Primary taxonomy
Anesthesiology Physician 207L00000X
Practice location
9235 CROWN CREST BLVD STE 250, Parker, CO 80138
Phone
303-789-4000
Mailing address
Oklahoma City, OK
Enumerated
Nov 25, 2020
Record updated
Nov 25, 2020
Authorized official
President (title as filed)
Public record from the NPPES NPI Registry (open it on CMS). An NPI identifies who bills; it is not a facility license.

The other 2 Parker NPIs

  1. Guardian Anesthesia Services, INC9395 CROWN CREST BLVD · issued Jul 3, 20061013946797
  2. Guardian Anesthesia Services, INC9397 CROWN CREST BLVD STE 110 · issued Nov 25, 20201124622543

4 clinicians CMS lists with Guardian Anesthesia Services in Parker

  1. Courtney Cassias, CRNACertified Registered Nurse Anesthetist1902264146
  2. Jeffrey Gonzales, MDAnesthesiology Physician1184642365
  3. Anne Sage, CRNACertified Registered Nurse Anesthetist1144509902
  4. Sara Shock, CRNACertified Registered Nurse Anesthetist1568978153

Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.

All 23 Guardian Anesthesia Services NPIs

Every location registered under this name, in 16 cities.

See every location

Checking an organization

  1. Confirm the business with the Colorado secretary of state.
  2. Check the HHS-OIG exclusion list for the organization.
  3. Verify each clinician on their own record and the state license search.

Common questions

Why is the mailing address in Oklahoma?

The mailing address in the record (Oklahoma City, OK) is where the organization receives mail. Care is given at the practice location in Parker.

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.

Which Parker NPI should I use?

Ask the office which NPI it bills under; all 3 Parker NPIs are registered under the same name.

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.