NPPES file of Aug 9, 2026

Justin Trung Do, DO

Endocrinology, Diabetes & Metabolism Physician · Monterey Park, CA

Justin Trung Do, DO is an endocrinology, diabetes & metabolism physician with a practice address in Monterey Park, California, and NPI 1952861049, issued on Mar 23, 2019. Check the license (California 20A19512, 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 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1952861049
Name
Justin Trung Do
Credential
DO
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
20A19512 CA
Self-reported in NPPES; status is on the state search
Practice location
880 S Atlantic Blvd Ste 101, Monterey Park, CA 91754
Phone
(626) 281-6969
Enumerated
Mar 23, 2019
Record last updated
Aug 6, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 880 S Atlantic Blvd Ste 101

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

  1. Terry Kuo, M.D.Internal Medicine Physician1477637049
  2. Sara PadillaFoot & Ankle Surgery Podiatrist1457886715
  3. Cristin PilavianFamily Nurse Practitioner1295486835

Verify Justin Trung Do in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A19512
    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

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54% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

1,198 Medicare Part D claims for 218 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Justin Do1,198
  2. Specialty average2,630

Most prescribed

  1. Atorvastatin Calcium137 claims
  2. Rosuvastatin Calcium92 claims
  3. Amlodipine Besylate81 claims
  4. Losartan Potassium59 claims
  5. Lisinopril50 claims
  6. Metformin Hcl38 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 84.4 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 score90.7
  2. Costout of 100 · 30%57.4
  3. Promoting interoperabilityout of 100 · 25%100.0
  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).

Justin Trung Do among 1,131 endocrinology, diabetes & metabolism physician records in California

Justin Trung Do, DO is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 94% of them.

  • NPI issued2019 · 94% of these records are older, 4% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileNo · 69% of these records are
  • Record last updated2026 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in California

There are 1,131 endocrinology, diabetes & metabolism physician records in California.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Yi-Ju Chen, M.D.Monterey Park, CA 917541396361093
  2. Sadiq Mandilawi, MDLa Verne, CA 917501295716736
  3. Jeffrey Mason, M.D.La Verne, CA 917501255308912
  4. Rucha Mehta, MDPomona, CA 917661184725749
  5. Airani Sathananthan, MDPomona, CA 917661063422459
  6. Seerat Anand, M.D.Pomona, CA 917671417575085
  7. Prasad Jeereddi, MDPomona, CA 917671821058470
  8. Ewa Konca, MDPomona, CA 917671134197528

Common questions

What is Justin Trung Do, DO's NPI number?

Justin Trung Do, DO's National Provider Identifier (NPI) is 1952861049, issued on Mar 23, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Justin Trung Do, DO located?

The NPPES record lists a practice address at 880 S Atlantic Blvd Ste 101, Monterey Park, CA, 91754. Phone: (626) 281-6969. Providers update this record themselves, so call before visiting.

How can I verify Justin Trung Do, DO's license?

NPPES lists California license number 20A19512, 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.

How much does Justin Trung Do, DO prescribe under Medicare Part D?

In 2024, Justin Trung Do, DO had 1,198 Medicare Part D claims for 218 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.

What is Justin Trung Do, DO's MIPS final score?

The 2023 MIPS final score is 84.4 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.