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MR. JUSTIN SHAWN KLIEWER AA
NPI 1669252763
Anesthesiologist Assistant in Greenwood Village, CO

Active since October 05, 2023Accepts Medicare Assignment
8000 E MAPLEWOOD AVE STE 120, GREENWOOD VILLAGE, CO 80111(303) 438-3999(720) 439-9500 Get Directions Write a Review

NPPES record last updated: June 5, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 5, 2024, Oct 5, 2023 (2 updates tracked since 2023).

About Mr. Justin Shawn Kliewer Aa NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. JUSTIN SHAWN KLIEWER AA (NPI 1669252763) is an individual anesthesiologist assistant in Greenwood Village, Colorado, licensed in Colorado (ANT.0000248) and active in the NPI registry since October 2023. He maintains a secondary practice location in Saint Louis and is a graduate of Other (2023).

NPPES Registry Identity

NPI1669252763
Entity TypeIndividualMale
Primary Taxonomy367H00000X
Provider Legal NameMR. JUSTIN SHAWN KLIEWERCredential: AA
Location Address8000 E MAPLEWOOD AVE STE 120Greenwood Village, CO 80111-4766
Mailing AddressPo Box 840862Dallas, TX 75284-0862 · (303) 377-7638 · Fax (303) 780-0787
Phone(303) 438-3999
Fax(720) 439-9500
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateOctober 5, 2023
Last NPPES UpdateJune 5, 20242 updates tracked since enumeration
NPPES CertifiedJune 5, 2024
✔ NPI 1669252763 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologist AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367H00000X
Licenses✔ Licensed in CO · ANT.0000248✔ Licensed in MO · PENDING
Definition
An individual certified by the state to perform anesthesia services under the direct supervision of an anesthesiologist. Anesthesiologist Assistants are required to have a bachelor's degree with a premed curriculum prior to entering a two-year anesthesiology assistant program, which is focused upon the delivery and maintenance of anesthesia care as well as advanced patient monitoring techniques. An Anesthesiologist Assistant must work as a member of the anesthesia care team under the direction of a qualified Anesthesiologist.
8000 E MAPLEWOOD AVE STE 120, Greenwood Village, CO 80111
Open in Google Maps ↗

Secondary Practice Location 1

Location 1615 S New Ballas Rd Dept OfSaint Louis, MO 63141-8221 · Phone (636) 386-9224 · Fax (636) 386-7679

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Justin Shawn Kliewer Aa is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID345685525
PECOS Enrollment IDI20240614001086

Medicare Billing Reassignments

2

Medicare enrollment records show Justin Kliewer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Us Anesthesia Partners Of Colorado Inc.
Same address
Anesthesiology
8000 E MAPLEWOOD AVE STE 120
Greenwood Village, CO 80111
  • Reassigned Medicare billing, Colorado enrollment
  • 971 clinicians in this Medicare group
NPI 1922365782 (303) 438-3999
Premier Anesthesia Of Georgia LLC
1,221 mi
Anesthesiology
1700 MEDICAL WAY
Snellville, GA 30078
  • Reassigned Medicare billing, Georgia enrollment
  • 156 clinicians in this Medicare group
NPI 1811403207 (770) 979-0200

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JENNIFER K KROGH CRNA
Nurse Anesthetist, Certified Registered
8000 E MAPLEWOOD AVE STE 120
GREENWOOD VILLAGE, CO 80111
Arapahoe County (303) 438-3999
TERESA MARIE ROSSETTER CRNA
Nurse Anesthetist, Certified Registered
8000 E MAPLEWOOD AVE STE 120
GREENWOOD VILLAGE, CO 80111
Arapahoe County (303) 438-3999
DAVID R. LADD MD
Anesthesiology (Pediatric Anesthesiology)
8000 E MAPLEWOOD AVE STE 120
GREENWOOD VILLAGE, CO 80111
Arapahoe County (303) 438-3999
JOSHUA STEVEN ADAMS CRNA
Nurse Anesthetist, Certified Registered
8000 E MAPLEWOOD AVE STE 120
GREENWOOD VILLAGE, CO 80111
Arapahoe County (303) 438-3999
NATHAN DOUGLAS APPLEGREN M.D.
Anesthesiology
8000 E MAPLEWOOD AVE STE 120
GREENWOOD VILLAGE, CO 80111
Arapahoe County (303) 438-3999
ZOYA BHARMAL CAA
Anesthesiologist Assistant
8000 E MAPLEWOOD AVE STE 120
GREENWOOD VILLAGE, CO 80111
Arapahoe County (303) 438-3999
ASHLEY NICOLE MORTON CRNA
Nurse Anesthetist, Certified Registered
8000 E MAPLEWOOD AVE STE 120
GREENWOOD VILLAGE, CO 80111
Arapahoe County (303) 438-3999
KELLY REED JORDAN CAA
Anesthesiologist Assistant
8000 E MAPLEWOOD AVE STE 120
GREENWOOD VILLAGE, CO 80111
Arapahoe County (303) 438-3999

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Justin Kliewer's NPI number?

The NPI number for Justin Kliewer is 1669252763. It was assigned to this individual provider in the NPPES registry on October 5, 2023.

Where is Justin Kliewer located?

Justin Kliewer practices at 8000 E Maplewood Ave Ste 120, Greenwood Village, CO 80111. The listed phone number is (303) 438-3999.

What is Justin Kliewer's specialty?

The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.

Is Justin Kliewer enrolled in Medicare?

Yes. Justin Kliewer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Justin Kliewer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Justin Kliewer reassigns Medicare benefits to 2 organizations: Us Anesthesia Partners Of Colorado Inc. (Greenwood Village, CO) and Premier Anesthesia Of Georgia LLC (Snellville, GA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Justin Kliewer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Justin Kliewer was last updated on June 5, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.