DR. CHRISTOPHER M O'BARR MD
NPI 1750586947
Anesthesiology in Phoenix, AZ
About Dr. Christopher M O'barr Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHRISTOPHER M O'BARR MD (NPI 1750586947) is an individual anesthesiology provider in Phoenix, Arizona, licensed in Arizona (44235) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, maintains a secondary practice location in Yuma, and is a graduate of University Of Arizona College Of Medicine (2007).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Dr. Christopher M O'barr 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.
Medicare Billing Reassignments
9Medicare enrollment records show Christopher O'barr reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Phoenix, AZ 85008
- Reassigned Medicare billing, Arizona enrollment
- 1,490 clinicians in this Medicare group
Phoenix, AZ 85020
- Reassigned Medicare billing, Arizona enrollment
- 174 clinicians in this Medicare group
Scottsdale, AZ 85258
- Reassigned Medicare billing, Arizona enrollment
- 106 clinicians in this Medicare group
Phoenix, AZ 85024
- Reassigned Medicare billing, Arizona enrollment
- 518 clinicians in this Medicare group
Mesa, AZ 85206
- Reassigned Medicare billing, Arizona enrollment
- 298 clinicians in this Medicare group
Yuma, AZ 85364
- Reassigned Medicare billing, Arizona enrollment
- 557 clinicians in this Medicare group
Kingman, AZ 86409
- Reassigned Medicare billing, Arizona enrollment
- 418 clinicians in this Medicare group
Kingman, AZ 86409
- Reassigned Medicare billing, Arizona enrollment
- 41 clinicians in this Medicare group
Brighton, MI 48114
- Reassigned Medicare billing, Arizona enrollment
- 370 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 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.
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.
PHOENIX, AZ 85016
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 O'barr's NPI number?
The NPI number for Christopher O'barr is 1750586947. It was assigned to this individual provider in the NPPES registry on June 18, 2007.
Where is Christopher O'barr located?
Christopher O'barr practices at 2929 E Thomas Rd, Phoenix, AZ 85016. The listed phone number is (602) 344-1020.
What is Christopher O'barr's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Christopher O'barr enrolled in Medicare?
Yes. Christopher O'barr 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 O'barr's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christopher O'barr reassigns Medicare benefits to 9 organizations: District Medical Group, Inc (Phoenix, AZ), Guide Anesthesia Az LLC (Phoenix, AZ), Grand Canyon Anesthesia LLC (Scottsdale, AZ), Valley Anesthesiology Consultants, Inc. (Phoenix, AZ), Ascend Anesthesia LLC (Mesa, AZ) and 4 more organizations, listed in the Medicare section above. 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 O'barr's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christopher O'barr accept?
Health plans from Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc and Imperial Insurance Companies, Inc. list Christopher O'barr 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 O'barr was last updated on February 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Dr. Christopher M O'barr, MD · NPI 1750586947
Anesthesiology physician in Phoenix, Arizona. Individual provider, active in the CMS NPPES registry since June 18, 2007.
## Identity
- **NPI:** 1750586947 (Entity type: Individual)
- **Enumerated:** June 18, 2007
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 44235 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 2929 E THOMAS RD, Phoenix, AZ 85016-8034
- **Phone:** (602) 344-1020
## 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:** 9 organizations under Medicare reassignment (form CMS-855R): District Medical Group, Inc (NPI 1174856280, Phoenix, AZ); Guide Anesthesia Az LLC (NPI 1649164849, Phoenix, AZ); Grand Canyon Anesthesia LLC (NPI 1356822902, Scottsdale, AZ); Valley Anesthesiology Consultants, Inc. (NPI 1285660704, Phoenix, AZ); Ascend Anesthesia LLC (NPI 1407642945, Mesa, AZ); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Arizona College Of Medicine, class of 2007
## Record status
- **NPPES last updated:** February 3, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1750586947) · Data from the CMS NPPES public registry.