Courtney C. Koshar, MD
Anesthesiology Physician · Phoenix, AZ
Courtney C. Koshar, MD is an anesthesiology physician with a practice address in Phoenix, Arizona, and NPI 1720048028, issued on Mar 23, 2006. Check the license (Arizona 36730, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Courtney C. Koshar
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License numbers
- 36730 AZ
43647 CO
Self-reported in NPPES; status is on the state search - Practice location
- 5777 E Mayo Blvd, Phoenix, AZ 85054
- Phone
- (480) 301-8000
- Enumerated
- Mar 23, 2006
- Record last updated
- May 29, 2024
- Medicare enrollment
- Enrolled (PECOS I20070711000135); accepts Medicare assignment
- Medical or professional school
- University Of Utah School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,473 in Arizona → Look up another NPI →
Also registered at 5777 E Mayo Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Courtney C. Koshar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 36730Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3 hospitals and group practices
- Yuma Regional Medical CenterYuma, AZ · Acute Care Hospitals2 of 5 stars
- Anesthesia Partners OF ColoradoEdwards, CO
- Mayo Clinic ArizonaScottsdale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Courtney C. Koshar among 1,473 anesthesiology physician records in Arizona
Courtney C. Koshar, 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 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 44% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2001 · median 2003 among the 984 with a school on file
- Record last updated2024 · 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
- Froukje Beynen, M.D.Phoenix, AZ 850541952385957
- Patrick Bolton, MDPhoenix, AZ 850541699745398
- Daniel Doyle, MDPhoenix, AZ 850541750345823
- Brantley Gaitan, MDPhoenix, AZ 850541184652240
- Alberta Mazzei, M.D.Phoenix, AZ 850541063498079
- Leslie Milde, M.D.Phoenix, AZ 850541053395764
- Lopa Misra, D.O.Phoenix, AZ 850541376526046
- Nizamid-Din Missaghi, MDPhoenix, AZ 850541750306528
Common questions
What is Courtney C. Koshar, MD's NPI number?
Courtney C. Koshar, MD's National Provider Identifier (NPI) is 1720048028, issued on Mar 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Courtney C. Koshar, MD located?
The NPPES record lists a practice address at 5777 E Mayo Blvd, Phoenix, AZ, 85054. Phone: (480) 301-8000. Providers update this record themselves, so call before visiting.
How can I verify Courtney C. Koshar, MD's license?
NPPES lists Arizona license number 36730, 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.
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.