NPPES file of Aug 9, 2026

Hyong S. Choi, MD

Internal Medicine Physician · Phoenix, AZ

Hyong S. Choi, MD is an internal medicine physician with a practice address in Phoenix, Arizona, and NPI 1194950998, issued on May 21, 2009. Check the license (Arizona 41995, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1194950998
Name
Hyong S. Choi
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
41995 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
May 21, 2009
Record last updated
Mar 16, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(602) 424-8128
Medicare enrollment
Enrolled (PECOS I20090824000247); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 9225 N 3RD St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Deidra Adams, DPTPhysical Therapist1407833213
  2. Mario Avila, MDInternal Medicine Physician1740273911
  3. Jessica Berdeja, MDGeriatric Medicine (Family Medicine) Physician1215190749
  4. Bret Bitza, D.O.Internal Medicine Physician1831345529
  5. Sherry Booz, ANPNurse Practitioner1174514111
  6. Kimberly Collier, M.D.Internal Medicine Physician1417396144

Verify Hyong S. Choi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 41995
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

88% fewer Medicare Part D claims than the average internal medicine physician in 2024

387 Medicare Part D claims for 169 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 23 claims were for opioids.

  1. Hyong Choi387
  2. Specialty average3,176

Most prescribed

  1. Cefuroxime20 claims
  2. Atorvastatin Calcium17 claims
  3. Clopidogrel17 claims
  4. Oxycodone Hcl17 claims
  5. Metoprolol Succinate15 claims
  6. Pantoprazole Sodium15 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).

Industry payments in 2024: $256.24

2 payments; by number, the most common kind was food and beverage; the largest payer was Penumbra, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Hyong Choi$256.24
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Affiliated Hospitalists PLCPhoenix, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (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.

Other internal medicine physician records in Arizona

  1. Daniel Aaronson, MDTucson, AZ1134865355
  2. Constantia Abarikwu, MDPhoenix, AZ1497832620
  3. Jaber Abawi, MDPayson, AZ1629038542
  4. Demsas Abay, MDPeoria, AZ1720312390
  5. Firas Abbas, M.D. M.P.H.Mesa, AZ1336481407
  6. Hassan Abbas, D.O.Mesa, AZ1477294775
  7. Jalal Abbas, M.D.Sun City West, AZ1205895034
  8. Tayeb Abbas, MDSun City West, AZ1093406795
  9. Hamed Abbaszadegan, MDPhoenix, AZ1407083579
  10. Kristopher Abbate, MDTucson, AZ1184112401

Common questions

What is Hyong S. Choi, MD's NPI number?

Hyong S. Choi, MD's National Provider Identifier (NPI) is 1194950998, issued on May 21, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Hyong S. Choi, 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 Hyong S. Choi, MD's license?

NPPES lists Arizona license number 41995, 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 Hyong S. Choi, MD prescribe under Medicare Part D?

In 2024, Hyong S. Choi, MD had 387 Medicare Part D claims for 169 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Hyong S. Choi, 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.