W. MICHAEL REDING MD
NPI 1265651509
Anesthesiology in Greenwood Village, CO

Active since April 25, 2007PECOS EnrolledAccepts Medicare Assignment
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: November 6, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 6, 2024, May 22, 2023, Mar 18, 2020 (3 updates tracked since 2020).

About W. Michael Reding Md NPPES

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

W. MICHAEL REDING MD (NPI 1265651509) is an individual anesthesiology provider in Greenwood Village, Colorado, licensed in Arkansas (E-6329) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2006).

NPPES Registry Identity

NPI1265651509
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameW. MICHAEL REDINGCredential: MD
Location Address8000 E MAPLEWOOD AVE STE 200Greenwood Village, CO 80111-4727
Mailing AddressPo Box 840862Dallas, TX 75284-0862 · (972) 715-5000 · Fax (972) 715-9976
Fax(720) 439-9500
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateApril 25, 2007
Last NPPES UpdateNovember 6, 20243 updates tracked since enumeration
NPPES CertifiedNovember 6, 2024
✔ NPI 1265651509 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in AR · E-6329✔ Licensed in CO · DR.0067041
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
8000 E MAPLEWOOD AVE STE 200, Greenwood Village, CO 80111

Other Names 1

Other Name (5)William Michael Reding Md

Secondary Practice Locations 2

Location 12 Saint Vincent CirLittle Rock, AR 72205-5423 · Phone (501) 664-4532 ext. 115 · Fax (501) 663-4335
Location 211600 W 2nd PlLakewood, CO 80228-1527 · Phone (720) 321-1010 · Fax (970) 321-1001

Other Identifiers 2

Medicaid200288440AOK
Medicaid183620001AR

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

W. Michael Reding Md 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 ID5890826002
PECOS Enrollment IDI20230602001743
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

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

Anesthesiology
8000 E MAPLEWOOD AVE STE 120
Greenwood Village, CO 80111
  • Reassigned Medicare billing, Colorado enrollment
  • 971 clinicians in this Medicare group
Neurological Surgery
7400 E CALEY AVE STE 300
Centennial, CO 80111
  • Reassigned Medicare billing, Colorado enrollment
  • 1,193 clinicians in this Medicare group

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

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 other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
12 services12 patients

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.

Anesthesiologist Assistant
8000 E MAPLEWOOD AVE STE 200
GREENWOOD VILLAGE, CO 80111
Anesthesiologist Assistant
8000 E MAPLEWOOD AVE STE 200
GREENWOOD VILLAGE, CO 80111
Anesthesiologist Assistant
8000 E MAPLEWOOD AVE STE 200
GREENWOOD VILLAGE, CO 80111
Anesthesiology
8000 E MAPLEWOOD AVE STE 200
GREENWOOD VILLAGE, CO 80111
Anesthesiologist Assistant
8000 E MAPLEWOOD AVE STE 200
GREENWOOD VILLAGE, CO 80111
Anesthesiology
8000 E MAPLEWOOD AVE STE 200
GREENWOOD VILLAGE, CO 80111
Anesthesiologist Assistant
8000 E MAPLEWOOD AVE STE 200
GREENWOOD VILLAGE, CO 80111
Anesthesiology
8000 E MAPLEWOOD AVE STE 200
GREENWOOD VILLAGE, CO 80111

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 W. Michael Reding's NPI number?

The NPI number for W. Michael Reding is 1265651509. It was assigned to this individual provider in the NPPES registry on April 25, 2007. The provider is also known as William Michael Reding MD.

Where is W. Michael Reding located?

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

What is W. Michael Reding's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is W. Michael Reding enrolled in Medicare?

Yes. W. Michael Reding 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 W. Michael Reding's services?

According to the CMS Revalidation Reassignment List (October 2026 release), W. Michael Reding reassigns Medicare benefits to 2 organizations: Us Anesthesia Partners Of Colorado Inc. (Greenwood Village, CO) and Catholic Health Initiatives Colorado (Centennial, 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 W. Michael Reding'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 W. Michael Reding was last updated on November 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 months 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.