RAY CHOI M.D.
NPI 1891038717
Anesthesiology in Greenwood Village, CO
About Ray Choi M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RAY CHOI M.D. (NPI 1891038717) is an individual anesthesiology provider in Greenwood Village, Colorado, licensed in Colorado (DR.0062360) and active in the NPI registry since March 2013. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Colorado School Of Medicine, Denver (2013).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Accepted Insurance
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
Ray Choi M.d. 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.
Medicare Billing Reassignments
4Medicare enrollment records show Ray Choi reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Greenwood Village, CO 80111
- Reassigned Medicare billing, Colorado enrollment
- 971 clinicians in this Medicare group
Greenwood Village, CO 80111
- Reassigned Medicare billing, Colorado enrollment
- 4,283 clinicians in this Medicare group
Phoenix, AZ 85012
- Reassigned Medicare billing, Arizona enrollment
- 1,514 clinicians in this Medicare group
Houston, TX 77042
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: U S Anesthesia Partners Of Texas, PA
- 3,804 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.
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.
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.
GREENWOOD VILLAGE, CO 80111
GREENWOOD VILLAGE, CO 80111
GREENWOOD VILLAGE, CO 80111
GREENWOOD VILLAGE, CO 80111
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 Ray Choi's NPI number?
The NPI number for Ray Choi is 1891038717. It was assigned to this individual provider in the NPPES registry on March 28, 2013.
Where is Ray Choi located?
Ray Choi practices at 8000 E Maplewood Ave Ste 200, Greenwood Village, CO 80111. The listed phone number is (303) 438-3999.
What is Ray Choi's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Ray Choi enrolled in Medicare?
Yes. Ray Choi 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 Ray Choi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ray Choi reassigns Medicare benefits to 4 organizations: Us Anesthesia Partners Of Colorado Inc. (Greenwood Village, CO), University Physicians Incorporated (Greenwood Village, CO), Banner-University Medical Group (Phoenix, AZ) and U. S. Anesthesia Partners Of Texas, P.A., (Houston, TX). 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 Ray Choi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ray Choi accept?
Health plans from Blue Cross Blue Shield of Arizona, Blue Cross and Blue Shield of Texas, Oscar Health Plan, Inc. and Oscar Insurance Company list Ray Choi as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Ray Choi was last updated on January 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.
# Ray Choi, M.D. · NPI 1891038717
Anesthesiology physician in Greenwood Village, Colorado. Individual provider, active in the CMS NPPES registry since March 28, 2013.
## Identity
- **NPI:** 1891038717 (Entity type: Individual)
- **Enumerated:** March 28, 2013
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** DR.0062360 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 8000 E MAPLEWOOD AVE STE 200, Greenwood Village, CO 80111-4727
- **Phone:** (303) 438-3999 · **Fax:** (720) 439-9500
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Us Anesthesia Partners Of Colorado Inc. (NPI 1922365782, Greenwood Village, CO); University Physicians Incorporated (NPI 1033614581, Greenwood Village, CO); Banner-University Medical Group (NPI 1508809427, Phoenix, AZ); U. S. Anesthesia Partners Of Texas, P.A., (NPI 1548208564, Houston, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Colorado School Of Medicine, Denver, class of 2013
## Record status
- **NPPES last updated:** January 16, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1891038717) · Data from the CMS NPPES public registry.