Christopher M. O'Barr, MD
Anesthesiology Physician · Phoenix, AZ
Christopher M. O'Barr, MD is an anesthesiology physician with a practice address in Phoenix, Arizona, and NPI 1750586947, issued on Jun 18, 2007. Check the license (Arizona 44235, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Christopher M. O'Barr
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 44235 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 2929 E Thomas RD, Phoenix, AZ 85016
- Phone
- (602) 344-1020
- Enumerated
- Jun 18, 2007
- Record last updated
- Feb 3, 2026
- Medicare enrollment
- Enrolled (PECOS I20110920000398); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine, 2007
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,473 in Arizona → Look up another NPI →
Also registered at 2929 E Thomas RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Dawn Barcellona, MDPediatrics Physician1184739252
- Alyssa Bramble, PA-CSurgical Physician Assistant1316401219
Verify Christopher M. O'Barr in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 44235Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 93.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 3 group practices
- Anesthesia Partners And Management LLCMesa, AZ
- Ascend Anesthesia LLCPhoenix, AZ
- Battle Born Anesthesia Associates LtdKingman, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher M. O'Barr among 1,473 anesthesiology physician records in Arizona
Christopher M. O'Barr, MD is one of 1,473 anesthesiology physician records with a practice address in Arizona. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 56% of them.
- NPI issued2007 · 56% of these records are older, 37% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2007 · median 2003 among the 984 with a school on file
- Record last updated2026 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
602 anesthesiology physician records list a practice address in Phoenix
They are 602 of the 31,399 NPPES records with a practice address in Phoenix, and 1,473 anesthesiology physician records in Arizona.
All 1,473 in Arizona → Every provider in Phoenix → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Robert Branche, MD.Phoenix, AZ 850161184712192
- Susan Braun, MDPhoenix, AZ 850161023261799
- David Eicher, MDPhoenix, AZ 850161558453043
- Elisabeth Graf-Shafa, M.D.Phoenix, AZ 850161831207828
- Robert Greenberger, MDPhoenix, AZ 850161780623363
- Kathleen Guarnieri, MDPhoenix, AZ 850161942270756
- Narasimhan JagannathanPhoenix, AZ 850161285729988
- Anthony Koo, MDPhoenix, AZ 850161982897146
Common questions
What is Christopher M. O'Barr, MD's NPI number?
Christopher M. O'Barr, MD's National Provider Identifier (NPI) is 1750586947, issued on Jun 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Christopher M. O'Barr, MD located?
The NPPES record lists a practice address at 2929 E Thomas RD, Phoenix, AZ, 85016. Phone: (602) 344-1020. Providers update this record themselves, so call before visiting.
How can I verify Christopher M. O'Barr, MD's license?
NPPES lists Arizona license number 44235, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Christopher M. O'Barr, MD's MIPS final score?
The 2023 MIPS final score is 93.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.