CHRISTOPHER JEFFREY DIEM CRNA
NPI 1134511512
Nurse Anesthetist, Certified Registered in Greenwood Village, CO
About Christopher Jeffrey Diem Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTOPHER JEFFREY DIEM CRNA (NPI 1134511512) is an individual nurse anesthetist, certified registered in Greenwood Village, Colorado, licensed in Colorado (APN.0993912) and active in the NPI registry since February 2015. He is enrolled in Medicare PECOS and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Christopher Jeffrey Diem Crna 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
3Medicare enrollment records show Christopher Diem reassigns Medicare billing to 3 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
Centennial, CO 80111
- Reassigned Medicare billing, Colorado enrollment
- 1,193 clinicians in this Medicare group
Edwards, CO 81632
- Reassigned Medicare billing, Colorado enrollment
- 128 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 80111 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Christopher Diem's NPI number?
The NPI number for Christopher Diem is 1134511512. It was assigned to this individual provider in the NPPES registry on February 23, 2015.
Where is Christopher Diem located?
Christopher Diem practices at 8000 E Maplewood Ave Ste 200, Greenwood Village, CO 80111. The listed phone number is (303) 785-4700.
What is Christopher Diem's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Christopher Diem enrolled in Medicare?
Yes. Christopher Diem 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 Christopher Diem's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Diem reassigns Medicare benefits to 3 organizations: Us Anesthesia Partners Of Colorado Inc. (Greenwood Village, CO), Catholic Health Initiatives Colorado (Centennial, CO) and Anesthesia Partners Of Colorado (Edwards, 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 Christopher Diem's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christopher Diem accept?
Health plans from Oscar Health and Oscar Insurance Company list Christopher Diem 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 Christopher Diem was last updated on October 25, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Christopher Jeffrey Diem, CRNA · NPI 1134511512
Nurse Anesthetist, Certified Registered physician in Greenwood Village, Colorado. Individual provider, active in the CMS NPPES registry since February 23, 2015.
## Identity
- **NPI:** 1134511512 (Entity type: Individual)
- **Enumerated:** February 23, 2015
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** APN.0993912 (Colorado)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 8000 E MAPLEWOOD AVE STE 200, Greenwood Village, CO 80111-4727
- **Phone:** (303) 785-4700 · **Fax:** (720) 439-9500
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Us Anesthesia Partners Of Colorado Inc. (NPI 1922365782, Greenwood Village, CO); Catholic Health Initiatives Colorado (NPI 1043188204, Centennial, CO); Anesthesia Partners Of Colorado (NPI 1457702409, Edwards, CO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** October 25, 2018
- **Other identifiers:** Medicaid 1134511512 (CO)
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Source: [NPI Profile](https://npiprofile.com/npi/1134511512) · Data from the CMS NPPES public registry.