1. Home
  2. Directory
  3. Colorado
  4. Greenwood Village
  5. Anesthesiologist Assistant
  6. NPI Profile

MICHAEL ALEXANDER CALDERON CAA
NPI 1407592884
Anesthesiologist Assistant in Greenwood Village, CO

Active since May 09, 2022Accepts Medicare Assignment
80.97/100
CMS Quality Rating
8000 E MAPLEWOOD AVE STE 200, GREENWOOD VILLAGE, CO 80111(303) 438-3999(720) 439-9500 Get Directions Write a Review

NPPES record last updated: October 14, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 14, 2022, May 9, 2022 (2 updates tracked since 2022).

About Michael Alexander Calderon Caa NPPES

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

MICHAEL ALEXANDER CALDERON CAA (NPI 1407592884) is an individual anesthesiologist assistant in Greenwood Village, Colorado, licensed in Colorado (ANT.0000191) and active in the NPI registry since May 2022. He is a graduate of Other (2022).

NPPES Registry Identity

NPI1407592884
Entity TypeIndividualMale
Primary Taxonomy367H00000X
Provider Legal NameMICHAEL ALEXANDER CALDERONCredential: CAA
Location Address8000 E MAPLEWOOD AVE STE 200Greenwood Village, CO 80111-4727
Mailing AddressPo Box 840862Dallas, TX 75284-2202 · (303) 377-7638 · Fax (303) 780-0787
Phone(303) 438-3999
Fax(720) 439-9500
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateMay 9, 2022
Last NPPES UpdateOctober 14, 20222 updates tracked since enumeration
NPPES CertifiedOctober 14, 2022
✔ NPI 1407592884 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologist AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367H00000X
License✔ Licensed in CO · ANT.0000191
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 200, Greenwood Village, CO 80111
Open in Google Maps ↗

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

Michael Alexander Calderon Caa 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 ID2961878343
PECOS Enrollment IDI20221026003079

Medicare Billing Reassignments

2

Medicare enrollment records show Michael Calderon 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
Physician Anesthesia Services PC
18 mi
Anesthesiology
12911 W 40TH AVE
Golden, CO 80401
  • Reassigned Medicare billing, Colorado enrollment
  • 171 clinicians in this Medicare group
NPI 1861476590 (330) 321-6552

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

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Anesthesia for procedure to assess heart electrical activity 00537
Anesthesia for a procedure to assess heart electrical activity helps ensure comfort and relaxation. It involves administering medication that either numbs a specific area or makes you sleep temporarily. This allows doctors to safely examine your heart's electrical signals without causing discomfort.
15 services15 patients
Anesthesia for procedure for total knee joint replacement 01402
Anesthesia for a total knee joint replacement numbs your body to eliminate pain during surgery. This could be general anesthesia where you're unconscious, or regional anesthesia where only the leg is numb. It's administered by a specialist, ensuring safety and comfort.
14 services14 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

80.97/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality65.4
Improvement Activities40
Cost100

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.

LAURA KATHERINE KNOBLAUCH CAA
Anesthesiologist Assistant
8000 E MAPLEWOOD AVE STE 200
GREENWOOD VILLAGE, CO 80111
Arapahoe County (303) 438-3999
MISS BAYLEE M WHITE CAA
Anesthesiologist Assistant
8000 E MAPLEWOOD AVE STE 200
GREENWOOD VILLAGE, CO 80111
Arapahoe County (303) 438-3999
JAYME M FILIPOWICZ
Anesthesiologist Assistant
8000 E MAPLEWOOD AVE STE 200
GREENWOOD VILLAGE, CO 80111
Arapahoe County (303) 438-3999
DR. BRUCE R. BAIRD MD
Anesthesiology
8000 E MAPLEWOOD AVE STE 200
GREENWOOD VILLAGE, CO 80111
Arapahoe County (303) 438-3999
AMBER PRESLIER AA
Anesthesiologist Assistant
8000 E MAPLEWOOD AVE STE 200
GREENWOOD VILLAGE, CO 80111
Arapahoe County (303) 785-4700
DR. ROBERT CARTER JONES MD
Anesthesiology
8000 E MAPLEWOOD AVE STE 200
GREENWOOD VILLAGE, CO 80111
Arapahoe County (303) 438-3999
DAVID KALANTAROV CAA
Anesthesiologist Assistant
8000 E MAPLEWOOD AVE STE 200
GREENWOOD VILLAGE, CO 80111
Arapahoe County (303) 438-3999
JACOB MATTHEW ENTIN M.D.
Anesthesiology
8000 E MAPLEWOOD AVE STE 200
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 Michael Calderon's NPI number?

The NPI number for Michael Calderon is 1407592884. It was assigned to this individual provider in the NPPES registry on May 9, 2022.

Where is Michael Calderon located?

Michael Calderon practices at 8000 E Maplewood Ave Ste 200, Greenwood Village, CO 80111. The listed phone number is (303) 438-3999.

What is Michael Calderon's specialty?

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

Is Michael Calderon enrolled in Medicare?

Yes. Michael Calderon 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 Michael Calderon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Calderon reassigns Medicare benefits to 2 organizations: Us Anesthesia Partners Of Colorado Inc. (Greenwood Village, CO) and Physician Anesthesia Services PC (Golden, CO). 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 Michael Calderon'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 Michael Calderon was last updated on October 14, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.