Gavin Koenig
Emergency Medicine Physician · Goodyear, AZ
Gavin Koenig is an emergency medicine physician with a practice address in Goodyear, Arizona, and NPI 1235711086, issued on Apr 21, 2021. Check the license on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gavin Koenig
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- MD61519536 WA
Self-reported in NPPES; status is on the state search - Practice location
- 13657 W Mcdowell RD Ste 220, Goodyear, AZ 85395
- Phone
- (623) 848-5609
- Enumerated
- Apr 21, 2021
- Record last updated
- Mar 27, 2025
- Medicare enrollment
- Enrolled (PECOS I20240911003055); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,494 in Arizona → Look up another NPI →
Also registered at 13657 W Mcdowell RD Ste 220
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brian Casillas, MDEmergency Medicine Physician1215514310
- Robert Cobo, DOEmergency Medicine Physician1053008193
- Melissa Mallary, DOStudent in an Organized Health Care Education/Training Program1053114884
- William Mati, MDStudent in an Organized Health Care Education/Training Program1205684875
- Stephanie SperrazzaEmergency Medicine Physician1871243428
- Michael Wurzer, DOStudent in an Organized Health Care Education/Training Program1205681301
Verify Gavin Koenig in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average emergency medicine physician in 2024
100 Medicare Part D claims for 77 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Northwest Emergency Physicians LLCMount Vernon, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gavin Koenig among 1,494 emergency medicine physician records in Arizona
Gavin Koenig is one of 1,494 emergency medicine physician records with a practice address in Arizona. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 84% of them.
- NPI issued2021 · 84% of these records are older, 11% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2021 · median 2014 among the 828 with a school on file
- Record last updated2025 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
34 emergency medicine physician records list a practice address in Goodyear
They are 34 of the 1,619 NPPES records with a practice address in Goodyear, and 1,494 emergency medicine physician records in Arizona.
All 1,494 in Arizona → Every provider in Goodyear → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Ty Bowman, MDGoodyear, AZ 853951619503596
- Brian Casillas, MDGoodyear, AZ 853951215514310
- Nancy Churosh, M.D.Goodyear, AZ 853951851379051
- Michel Dagher, D.O.Goodyear, AZ 853951245669993
- Mitchell Erickson, PAGoodyear, AZ 853951073598355
- Jennifer Fitzgerald, DOGoodyear, AZ 853951255968715
- Matthew KamerGoodyear, AZ 853951316574486
- Amy KristensenGoodyear, AZ 853951780212225
Common questions
What is Gavin Koenig's NPI number?
Gavin Koenig's National Provider Identifier (NPI) is 1235711086, issued on Apr 21, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Gavin Koenig located?
The NPPES record lists a practice address at 13657 W Mcdowell RD Ste 220, Goodyear, AZ, 85395. Phone: (623) 848-5609. Providers update this record themselves, so call before visiting.
How can I verify Gavin Koenig's license?
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.
How much does Gavin Koenig prescribe under Medicare Part D?
In 2024, Gavin Koenig had 100 Medicare Part D claims for 77 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
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.