Ethan Shim, MD
Internal Medicine Physician · Phoenix, AZ
Ethan Shim, MD is an internal medicine physician with a practice address in Phoenix, Arizona, and NPI 1750512158, issued on Aug 3, 2009. Check the license (Arizona 47765, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ethan Shim
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 47765 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 9225 N 3RD St, Phoenix, AZ 85020
- Phone
- (602) 445-0751
- Enumerated
- Aug 3, 2009
- Record last updated
- Sep 5, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (602) 424-8128
- Medicaid ID
- 822711 AZ
- Medicare enrollment
- Enrolled (PECOS I20130802000489); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 9225 N 3RD St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ethan Shim in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 47765Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average internal medicine physician in 2024
472 Medicare Part D claims for 48 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Levothyroxine Sodium30 claims
- Valproic Acid26 claims
- Hydralazine Hcl18 claims
- Gabapentin17 claims
- Labetalol Hcl15 claims
- Oxybutynin Chloride15 claims
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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Affiliated Hospitalists PLCPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ethan Shim among 2,853 internal medicine physician records in Arizona
Ethan Shim, MD is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 57% of them.
- NPI issued2009 · 57% of these records are older, 40% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2009 · median 2003 among the 1,643 with a school on file
- Record last updated2014 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
695 internal medicine physician records list a practice address in Phoenix
They are 695 of the 31,399 NPPES records with a practice address in Phoenix, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Phoenix → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mario Avila, MDPhoenix, AZ 850201740273911
- Dianna Bastian, M.D.Phoenix, AZ 850201700869476
- John Hortareas, DOPhoenix, AZ 850201376536193
- Amy Lee, MDPhoenix, AZ 850201699760751
- Alfredo Lim, M.D.Phoenix, AZ 850201225002371
- Steven Parker, M.D.Phoenix, AZ 850201841287794
- Christopher Perez, M.D.Phoenix, AZ 850201437144318
- Kevan Pickrel, MDPhoenix, AZ 850201568455384
Common questions
What is Ethan Shim, MD's NPI number?
Ethan Shim, MD's National Provider Identifier (NPI) is 1750512158, issued on Aug 3, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Ethan Shim, MD located?
The NPPES record lists a practice address at 9225 N 3RD St, Phoenix, AZ, 85020. Phone: (602) 445-0751. Providers update this record themselves, so call before visiting.
How can I verify Ethan Shim, MD's license?
NPPES lists Arizona license number 47765, 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.
How much does Ethan Shim, MD prescribe under Medicare Part D?
In 2024, Ethan Shim, MD had 472 Medicare Part D claims for 48 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Ethan Shim, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.