NPPES file of Aug 9, 2026

Madeline Lorraine Treasure

Internal Medicine Physician · Los Angeles, CA

Madeline Lorraine Treasure is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1093341984, issued on Mar 23, 2020. Check the license (California A184918, 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
1093341984
Name
Madeline Lorraine Treasure
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A184918 CA
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
Mar 23, 2020
Record last updated
Jul 12, 2023
Medicare enrollment
Enrolled (PECOS I20230526002222); accepts Medicare assignment
Medical or professional school
University Of North Carolina At Chapel Hill School Of Medicine, 2020
Telehealth
Offers telehealth (CMS)
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 Madeline Lorraine Treasure in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A184918
    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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84% fewer Medicare Part D claims than the average internal medicine physician in 2024

497 Medicare Part D claims for 117 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 11 claims were for opioids.

  1. Madeline Treasure497
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium23 claims
  2. Gabapentin22 claims
  3. Amlodipine Besylate18 claims
  4. Levothyroxine Sodium18 claims
  5. Hydroxyzine Hcl14 claims
  6. Hydroxychloroquine Sulfate13 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 one group practice

  1. The Regents OF The University OF CaliforniaLos Angeles, CA

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

Madeline Lorraine Treasure among 17,696 internal medicine physician records in California

Madeline Lorraine Treasure 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 2020, is newer than 89% of them.

  • NPI issued2020 · 89% of these records are older, 8% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2020 · median 2004 among the 11,065 with a school on file
  • Record last updated2023 · 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 Madeline Lorraine Treasure's NPI number?

Madeline Lorraine Treasure's National Provider Identifier (NPI) is 1093341984, issued on Mar 23, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Madeline Lorraine Treasure 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 Madeline Lorraine Treasure's license?

NPPES lists California license number A184918, 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 Madeline Lorraine Treasure prescribe under Medicare Part D?

In 2024, Madeline Lorraine Treasure had 497 Medicare Part D claims for 117 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.