NPPES file of Aug 9, 2026

Diane Reed, M.D.

Internal Medicine Physician · Los Angeles, CA

Diane Reed, M.D. is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1881012995, issued on Apr 4, 2014. Check the license (California A138625, 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
1881012995
Name
Diane Reed
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A138625 CA
Self-reported in NPPES; status is on the state search
Practice location
200 Medical Plaza Suite 420, Los Angeles, CA 90095
Phone
(310) 206-6232
Enumerated
Apr 4, 2014
Record last updated
Jun 7, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(310) 206-3551
Medicaid ID
DR3232267556 CA
Medicare enrollment
Enrolled (PECOS I20180824001078); accepts Medicare assignment
Medical or professional school
University Of Southern California Keck School Of Medicine, 2014
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 Medical Plaza Suite 420

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

  1. Roshni BhatnagarInternal Medicine Physician1659763373
  2. Katherine Chen, M.D.Internal Medicine Physician1275928525
  3. Cameron HennebergGastroenterology Physician1316408719
  4. Patrick Holman, MDInternal Medicine Physician1497250468
  5. Brandon SmithInternal Medicine Physician1619438173
  6. George TranInternal Medicine Physician1730649146

Verify Diane Reed in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A138625
    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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19% more Medicare Part D claims than the average internal medicine physician in 2024

3,794 Medicare Part D claims for 349 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 33 claims were for opioids.

  1. Diane Reed3,794
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium303 claims
  2. Amlodipine Besylate244 claims
  3. Rosuvastatin Calcium166 claims
  4. Levothyroxine Sodium162 claims
  5. Losartan Potassium118 claims
  6. Alendronate Sodium92 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): 86.1 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 score82.9
  2. Costout of 100 · 30%66.7
  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).

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).

Diane Reed among 17,696 internal medicine physician records in California

Diane Reed, 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 updated2019 · 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 Diane Reed, M.D.'s NPI number?

Diane Reed, M.D.'s National Provider Identifier (NPI) is 1881012995, issued on Apr 4, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Diane Reed, M.D. located?

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

How can I verify Diane Reed, M.D.'s license?

NPPES lists California license number A138625, 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 Diane Reed, M.D. prescribe under Medicare Part D?

In 2024, Diane Reed, M.D. had 3,794 Medicare Part D claims for 349 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Diane Reed, M.D.'s MIPS final score?

The 2023 MIPS final score is 86.1 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.