Active NPI
Christopher M O'Barr, MD
- Anesthesiology Physician
- Phoenix, AZ
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiology Physician
- License
- 44235
- Practice address
- 2929 E Thomas Rd
Phoenix, AZ 85016-8034 - Phone
- (602) 344-1020
- NPI assigned
- Jun 18, 2007
- Last updated
- Feb 3, 2026
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Anesthesiology Physician | 207L00000X | 44235 | AZ | Primary |
Addresses
Primary practice location
2929 E Thomas Rd
Phoenix, AZ 85016-8034
Mailing address
1425 N San Joaquin Dr
Gilbert, AZ 85234-2862
Phone (484) 804-8927
Other practice location 1
2400 S Avenue A
Yuma, AZ 85364-7127
Phone (928) 344-2000
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in AZ
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Anesthesiology
- Education
- University of Arizona College of Medicine, 2007
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
3269 N Stockton Hill Rd
Kingman, AZ 86409-3619
Phone (917) 903-0010
3929 E Bell Rd
Phoenix, AZ 85032-2112
Phone (602) 923-5609
6750 E Baywood Ave
Mesa, AZ 85206-1749
Phone (480) 321-4102
Hospital & facility affiliations
Merit-based Incentive Payment System (MIPS)
- Final score
- 95.59 of 100
- Quality
- 81.55
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 79.5
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Yuma Regional Medical Center | Current | Accepting new patients | |
| District Medical Group, Inc | Current | Accepting new patients | |
| Valley Anesthesiology Consultants, Inc. | Anesthesiology | Current | Accepting new patients |
| District Medical Group, Inc | Current | Accepting new patients | |
| Anesthesia Partners & Management LLC | Anesthesiology | Current | Accepting new patients |
| Grand Canyon Anesthesia LLC | Anesthesiology | Current | Accepting new patients |
| Ascend Anesthesia LLC | Anesthesiology | Current | Accepting new patients |
| Yuma Regional Medical Center | Current | Accepting new patients | |
| Battle Born Anesthesia Associates LTD | Anesthesiology | Current | Accepting new patients |
| Kingman Healthcare, Inc | Current | Accepting new patients | |
| Kingman Healthcare, Inc | Current | Accepting new patients | |
| District Medical Group, Inc | Anesthesiology | Past | Accepting new patients |
Locations (25 of 27)
1020 N San Francisco St
Ste 100
Flagstaff, AZ 86001
Phone (928) 774-2300
18699 N 67th Ave
Ste 140
Glendale, AZ 85308
Phone (623) 376-8600
5880 S Hospital Dr
Globe, AZ 85501
Phone (928) 402-1217
3269 N Stockton Hill Rd
Kingman, AZ 86409
Phone (928) 757-0626
1400 S Dobson Rd
Mesa, AZ 85202
Phone (480) 412-3000
1500 S Dobson Rd
Ste 101
Mesa, AZ 85202
Phone (480) 306-6098
6750 E Baywood Ave
Mesa, AZ 85206
Phone (480) 854-5000
103 Medicine Way Rd
Peridot, AZ 85542
Phone (928) 475-1200
1850 N Central Ave
Ste 1600
Phoenix, AZ 85004
Phone (602) 744-4760
1902 W Union Hills Dr
Unit 41550
Phoenix, AZ 85080
2345 E Thomas Rd
Ste 400
Phoenix, AZ 85016
Phone (602) 343-2900
2601 E Roosevelt St
Phoenix, AZ 85008
Phone (602) 220-0298
2929 E Thomas Rd
Phoenix, AZ 85016
Phone (602) 470-5043
3141 N 3rd Ave
Phoenix, AZ 85013
Phone (602) 914-1520
3141 N 3rd Ave
Ste 100
Phoenix, AZ 85013
Phone (602) 914-1520
3900 E Camelback Rd
Ste 190
Phoenix, AZ 85018
Phone (888) 724-6236
3929 E Bell Rd
Phoenix, AZ 85032
Phone (602) 923-5000
4600 E Washington St
Ste 300
Phoenix, AZ 85034
Phone (602) 638-1872
645 E Missouri Ave
Ste 300
Phoenix, AZ 85012
Phone (602) 262-8917
6501 N 19th Ave
Phoenix, AZ 85015
Phone (602) 314-4280
3110 Clearwater Dr
Prescott, AZ 86305
Phone (623) 241-6185
7400 E Osborn Rd
Scottsdale, AZ 85251
Phone (480) 481-4000
5700 E Highway 90
Sierra Vista, AZ 85635
Phone (520) 263-2000
1601 W Saint Marys Rd
Tucson, AZ 85745
Phone (520) 622-5833
1704 W Anklam Rd
Ste 108
Tucson, AZ 85745
Phone (623) 241-6185
Organizations & group practices 13
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Anesthesiology Physician
- Kingman, AZ
- NPI 1629781455
-
dba Arizona Anesthesia Solutions
- Certified Registered Nurse Anesthetist
- Brighton, MI
- NPI 1336530997
Anesthesiology, AZ
-
- Anatomic Pathology & Clinical Pathology Physician
- Phoenix, AZ
- NPI 1336472448
-
- Anesthesiology Physician
- Scottsdale, AZ
- NPI 1356822902
-
- Anesthesiology Physician
- Phoenix, AZ
- NPI 1285660704
-
dba Onvida Health Yuma Medical Center
- General Acute Care Hospital
- Yuma, AZ
- NPI 1194706655
-
dba Kingman Regional Medical Center
- General Acute Care Hospital
- Kingman, AZ
- NPI 1265423917
-
- Hematology & Oncology Physician
- Phoenix, AZ
- NPI 1265765374
-
dba KRMC Community Pharmacy
- Community/Retail Pharmacy
- Kingman, AZ
- NPI 1992286298
-
dba Onvida Health Yuma Medical Center
- General Practice Physician
- Yuma, AZ
- NPI 1598993420
Hospital & facility affiliations 11
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Dignity Health Arizona General Hospital Emergency Room - Gilbert
- Emergency Care Clinic/Center
- Gilbert, AZ
- NPI 1043848294
Hospital
-
dba Dignity Health Arizona General Hospital Emergency Room - Chandler
- Emergency Care Clinic/Center
- Chandler, AZ
- NPI 1124656376
Hospital
-
dba Dignity Health Arizona General Hospital Emergency Room - Chandler McQu
- Emergency Care Clinic/Center
- Chandler, AZ
- NPI 1164050316
Hospital
-
dba Dignity Health Arizona General Hospital Emergency Room - Mesa
- Emergency Care Clinic/Center
- Mesa, AZ
- NPI 1275161523
Hospital
-
dba Dignity Health Arizona General Hospital Emergency Room
- Emergency Care Clinic/Center
- San Tan Valley, AZ
- NPI 1407313109
Hospital
-
dba Dignity Health Arizona General Hospital Emergency Room
- Emergency Care Clinic/Center
- Tempe, AZ
- NPI 1528525227
Hospital
-
dba Dignity Health Arizona General Hospital Emergency Room - Ahwatukee
- Emergency Care Clinic/Center
- Phoenix, AZ
- NPI 1538797782
Hospital
-
dba Dignity Health Arizona General Hospital
- General Acute Care Hospital
- Mesa, AZ
- NPI 1689121188
-
dba Dignity Health Arizona General Hospital Emergency Room - Mesa Baseline
- Emergency Care Clinic/Center
- Mesa, AZ
- NPI 1932737277
Hospital
-
- Special Hospital
- Mesa, AZ
- NPI 1215961248
-
dba Kingman Regional Medical Center
- General Acute Care Hospital
- Kingman, AZ
- NPI 1265423917
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1182124800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1770076800000",
"number": "1750586947",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1425 N SAN JOAQUIN DR",
"city": "GILBERT",
"state": "AZ",
"postal_code": "852342862",
"telephone_number": "484-804-8927"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2929 E THOMAS RD",
"city": "PHOENIX",
"state": "AZ",
"postal_code": "850168034",
"telephone_number": "602-344-1020"
}
],
"practiceLocations": [
{
"address_1": "2400 S Avenue A",
"address_purpose": "LOCATION",
"city": "Yuma",
"state": "AZ",
"postal_code": "853647127",
"country_code": "US",
"telephone_number": "928-344-2000",
"fax_number": "928-336-7430",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "O'BARR",
"first_name": "CHRISTOPHER",
"middle_name": "M",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2007-06-18",
"last_updated": "2026-02-03",
"certification_date": "2026-02-03",
"status": "A"
},
"taxonomies": [
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "AZ",
"license": "44235",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Phoenix, AZ
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 3, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.