GUARDIAN ANESTHESIA SERVICES, INC – Anesthesiology Physician, NPI 1013946797

GUARDIAN ANESTHESIA SERVICES, INC is a healthcare provider. based in Arvada, Colorado. specializing in Anesthesiology Physician. The organization holds a License No. 35141 (CO). The NPI Number for GUARDIAN ANESTHESIA SERVICES, INC is 1013946797

Main info

Organization
Name
GUARDIAN ANESTHESIA SERVICES, INC
NPI
1013946797
Phone
(303) 422-9438
Address
PO BOX 668
Authorized Official
DR. ANTHONY KEEVER PRESIDENT MD
Enumeration Date
3 July 2006
Last Update Date
7 July 2021
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience62
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for GUARDIAN ANESTHESIA SERVICES, INC

  • PO BOX 668

    ARVADA, CO 800010668

    Phone: (303) 422-9438

    Fax: (303) 422-9474

    Type: Mailing

  • PO BOX 960556

    OKLAHOMA CITY, OK 731960556

    Phone: (303) 422-9438

    Type: Mailing

  • Parker Adventist Hospital, 9395, Crown Crest Boulevard, Parker, Douglas County, Colorado, 80138, United States

    PARKER, CO 801388573

    Phone: (303) 269-4000

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2005-05-24

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Revalidation due soon

Earliest CMS due date is 2026-07-31 (51 days away).

Enrollment records

1

Earliest due date

2026-07-31

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
O20050524001161OClinic/Group PracticeCO2026-07-31

What to do next

  • Confirm the due date on the CMS Revalidation Lookup Tool.
  • Complete revalidation in PECOS before the published due date.
  • If you have multiple enrollment records, revalidate each one on its own schedule.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 80001)

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Reviews

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Frequently asked questions

What is the standard ID for GUARDIAN ANESTHESIA SERVICES, INC in the U.S.?
In the U.S., GUARDIAN ANESTHESIA SERVICES, INC is identified by NPI 1013946797.
Quick check: is GUARDIAN ANESTHESIA SERVICES, INC active?
Public NPPES data shows GUARDIAN ANESTHESIA SERVICES, INC with an active NPI status right now.
Which specialty label fits GUARDIAN ANESTHESIA SERVICES, INC?
NPPES ties GUARDIAN ANESTHESIA SERVICES, INC to Anesthesiology Physician in the taxonomy section. Clinical services aligned with this taxonomy classification.
What city is tied to GUARDIAN ANESTHESIA SERVICES, INC?
The directory associates GUARDIAN ANESTHESIA SERVICES, INC with Arvada, Colorado. Check all listed addresses for suites or satellite offices.
What is the difference between NPI and a medical license?
An NPI is a federal identifier; a medical license is issued by a state and governs where someone may practice.

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