Justin Youngbin Rheem, M.D.
Internal Medicine Physician · Los Angeles, CA
Justin Youngbin Rheem, M.D. is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1205246113, issued on Apr 30, 2014. Check the license (California A137983, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Justin Youngbin Rheem
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A137983 CA
Self-reported in NPPES; status is on the state search - Practice location
- 505 S Virgil Ave, Los Angeles, CA 90020
- Phone
- (213) 381-3630
- Enumerated
- Apr 30, 2014
- Record last updated
- Feb 12, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (213) 674-7414
- Medicare enrollment
- Enrolled (PECOS I20180118002371); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
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A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Justin Youngbin Rheem in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A137983Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.9 times the Medicare Part D claims of the average internal medicine physician in 2024
21,936 Medicare Part D claims for 1,165 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims. 80 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,354 claims
- Rosuvastatin Calcium1,323 claims
- Omeprazole1,025 claims
- Losartan Potassium936 claims
- Amlodipine Besylate737 claims
- Metformin Hcl632 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.
Industry payments in 2024: $1,535.42
67 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Justin Youngbin Rheem among 17,696 internal medicine physician records in California
Justin Youngbin Rheem, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 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 2014, is newer than 74% of them.
- NPI issued2014 · 74% of these records are older, 24% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2014 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 61% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,423 internal medicine physician records list a practice address in Los Angeles
They are 1,423 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Los Angeles → Internal Medicine Physician nationwide →
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Common questions
What is Justin Youngbin Rheem, M.D.'s NPI number?
Justin Youngbin Rheem, M.D.'s National Provider Identifier (NPI) is 1205246113, issued on Apr 30, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Justin Youngbin Rheem, M.D. located?
The NPPES record lists a practice address at 505 S Virgil Ave, Los Angeles, CA, 90020. Phone: (213) 381-3630. Providers update this record themselves, so call before visiting.
How can I verify Justin Youngbin Rheem, M.D.'s license?
NPPES lists California license number A137983, 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 Youngbin Rheem, M.D. prescribe under Medicare Part D?
In 2024, Justin Youngbin Rheem, M.D. had 21,936 Medicare Part D claims for 1,165 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.