NPPES file of Aug 9, 2026

Hyoung Oh

Diagnostic Radiology Physician · Monrovia, CA

Hyoung Oh is a diagnostic radiology physician with a practice address in Monrovia, California, and NPI 1982090783, issued on Apr 9, 2015. Check the license (California 20A15149, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1982090783
Name
Hyoung Oh
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
20A15149 CA
Self-reported in NPPES; status is on the state search
Practice location
323 S Heliotrope Ave, Monrovia, CA 91016
Phone
(626) 408-9800
Enumerated
Apr 9, 2015
Record last updated
Jun 10, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(800) 656-0593
Medicare enrollment
Enrolled (PECOS I20200508002411); 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.
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Also registered at 323 S Heliotrope Ave

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

  1. Maxim Benbassat, M.D.Anesthesiology Physician1922055086
  2. Fady El-Gabalawy, MDDiagnostic Radiology Physician1780068213
  3. Branden Garcia, M.D.Diagnostic Radiology Physician1689108029
  4. Jamal Mustafa, MDEmergency Medicine Physician1366486854
  5. Bishoy Shehata, RPHPharmacist1811442130
  6. Vartan Vartanians, M.D.Diagnostic Radiology Physician1154685758

Verify Hyoung Oh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A15149
    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 California 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.

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The practice group's MIPS final score for 2023 (Medicare payment program): 85.6 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.

  1. Qualityout of 100 · 30% of the final score86.3
  2. Costout of 100 · 30%43.7
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 3 group practices

  1. Focus Medical ImagingMonrovia, CA
  2. Menalam Health Services PCWest Covina, CA
  3. Mountain Communities Healthcare DistrictWeaverville, CA

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

Hyoung Oh among 4,500 diagnostic radiology physician records in California

Hyoung Oh is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 81% of them.

  • NPI issued2015 · 81% of these records are older, 17% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2015 · median 2004 among the 3,130 with a school on file
  • Record last updated2021 · 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 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in California

There are 4,500 diagnostic radiology physician records in California.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Fady El-Gabalawy, MDMonrovia, CA 910161780068213
  2. Branden Garcia, M.D.Monrovia, CA 910161689108029
  3. Vartan Vartanians, M.D.Monrovia, CA 910161154685758
  4. Kimberly Bolivar, M.D.Duarte, CA 910101942654892
  5. Mari Bozoghlanian, MDDuarte, CA 910101902197254
  6. Ammar Chaudhry, M.D.Duarte, CA 910101255621462
  7. Sanjit Datta, MDDuarte, CA 910101114489697
  8. Soumo De, M.D.Duarte, CA 910101841553054

Common questions

What is Hyoung Oh's NPI number?

Hyoung Oh's National Provider Identifier (NPI) is 1982090783, issued on Apr 9, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Hyoung Oh located?

The NPPES record lists a practice address at 323 S Heliotrope Ave, Monrovia, CA, 91016. Phone: (626) 408-9800. Providers update this record themselves, so call before visiting.

How can I verify Hyoung Oh's license?

NPPES lists California license number 20A15149, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is Hyoung Oh's MIPS final score?

The 2023 MIPS final score is 85.6 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.