NPPES file of Aug 9, 2026

Ioana Popescu, MD

Internal Medicine Physician · Los Angeles, CA

Ioana Popescu, MD is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1821086778, issued on Oct 13, 2005. Check the license (California C54523, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821086778
Name
Ioana Popescu
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
C54523 CA
32551 IA
Self-reported in NPPES; status is on the state search
Practice location
200 Ucla Medical Plz Ste 420, Los Angeles, CA 90095
Phone
(310) 206-6232
Enumerated
Oct 13, 2005
Record last updated
Nov 9, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicaid ID
2184192 IA
Medicare enrollment
Enrolled (PECOS I20110606000242); 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 200 Ucla Medical Plz Ste 420

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

  1. Monica Abreu DiazInternal Medicine Physician1598294126
  2. Maya Appley, MDAddiction Medicine (Internal Medicine) Physician1588160451
  3. Michael Ayoub, M.D.Internal Medicine Physician1215356647
  4. Douglas Bell, MDInternal Medicine Physician1174549372
  5. Mark Benor, MDFamily Medicine Physician1457568362
  6. Shiela Beroukhim AfrahimiInternal Medicine Physician1386141885

Verify Ioana Popescu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C54523
    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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82% fewer Medicare Part D claims than the average internal medicine physician in 2024

579 Medicare Part D claims for 102 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Ioana Popescu579
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium73 claims
  2. Losartan Potassium27 claims
  3. Levothyroxine Sodium26 claims
  4. Amlodipine Besylate23 claims
  5. Albuterol Sulfate Hfa19 claims
  6. Lisinopril18 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.

Bills Medicare through 2 group practices

  1. The Regents OF The University OF CaliforniaLos Angeles, CA
  2. Venice Family ClinicSanta Monica, CA

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

Ioana Popescu among 17,696 internal medicine physician records in California

Ioana Popescu, MD 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 95% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1992 · median 2004 among the 11,065 with a school on file
  • Record last updated2020 · 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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Mark Ackerman, MDLos Angeles, CA 900951144225046
  2. Alice Agzarian, MDLos Angeles, CA 900951750314852
  3. Anita Agzarian, MDLos Angeles, CA 900951144254590
  4. Benjamin Ansell, MDLos Angeles, CA 900951770516882
  5. Arnold Brickman, MDLos Angeles, CA 900951447284906
  6. Arleen Brown, MDLos Angeles, CA 900951720013618
  7. Richard Buyalos, MDLos Angeles, CA 900951720012123
  8. Basit Chaudhry, MDLos Angeles, CA 900951992739460

Common questions

What is Ioana Popescu, MD's NPI number?

Ioana Popescu, MD's National Provider Identifier (NPI) is 1821086778, issued on Oct 13, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Ioana Popescu, MD located?

The NPPES record lists a practice address at 200 Ucla Medical Plz Ste 420, Los Angeles, CA, 90095. Phone: (310) 206-6232. Providers update this record themselves, so call before visiting.

How can I verify Ioana Popescu, MD's license?

NPPES lists California license number C54523, 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 Ioana Popescu, MD prescribe under Medicare Part D?

In 2024, Ioana Popescu, MD had 579 Medicare Part D claims for 102 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.