NPPES file of Aug 9, 2026

Susan D. Leonard, M.D.

Geriatric Medicine (Internal Medicine) Physician · Los Angeles, CA

Susan D. Leonard, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Los Angeles, California, and NPI 1437326386, issued on May 9, 2008. Check the license (California A105969, 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
1437326386
Name
Susan D. Leonard
Credential
M.D.
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
A105969 CA
Self-reported in NPPES; status is on the state search
Practice location
200 Medical Plz, Los Angeles, CA 90095
Phone
(310) 206-8272
Enumerated
May 9, 2008
Record last updated
Oct 5, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(310) 791-2113
Medicaid ID
1437326386 CA
Medicare enrollment
Enrolled (PECOS I20110601000387); accepts Medicare assignment
Medical or professional school
Oregon Health & Sciences Univ School Of Dentistry, 2007
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 Plz

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

  1. Elliot Abemayor, MDSurgery Physician1972527414
  2. Zain Al-Safi, M.D.Obstetrics & Gynecology Physician1578728317
  3. Paul AllynInfectious Disease Physician1588831341
  4. Richard Aranda, MDGastroenterology Physician1104851138
  5. Nilo Arnaiz, MDPulmonary Disease Physician1386678498
  6. Robyn Banerjee, MDRadiation Oncology Physician1174879795

Verify Susan D. Leonard in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A105969
    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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63% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

1,584 Medicare Part D claims for 114 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. Susan Leonard1,584
  2. Specialty average4,246

Most prescribed

  1. Atorvastatin Calcium128 claims
  2. Eliquis75 claims
  3. Alendronate Sodium59 claims
  4. Levothyroxine Sodium56 claims
  5. Pantoprazole Sodium51 claims
  6. Furosemide47 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).

Susan D. Leonard among 532 geriatric medicine (internal medicine) physician records in California

Susan D. Leonard, M.D. is one of 532 geriatric medicine (internal medicine) physician records with a practice address in California. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 66% of them.

  • NPI issued2008 · 66% of these records are older, 30% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 51% of these records are
  • Graduated2007 · median 1999 among the 271 with a school on file
  • Record last updated2011 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in California

There are 532 geriatric medicine (internal medicine) physician records in California.

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Susan Charette, MDLos Angeles, CA 900951447285341
  2. Grace Chen, M.D.Los Angeles, CA 900951770785297
  3. Joshua Chodosh, MDLos Angeles, CA 900951245265040
  4. Maristela Garcia, MDLos Angeles, CA 900951881813228
  5. Gail Greendale, MDLos Angeles, CA 900951750309381
  6. Patricia Harris, MDLos Angeles, CA 900951912953506
  7. Peifeng Hu, MDLos Angeles, CA 900951336168186
  8. Shinya Ishii, M.D.Los Angeles, CA 900951164545976

Common questions

What is Susan D. Leonard, M.D.'s NPI number?

Susan D. Leonard, M.D.'s National Provider Identifier (NPI) is 1437326386, issued on May 9, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Susan D. Leonard, M.D. located?

The NPPES record lists a practice address at 200 Medical Plz, Los Angeles, CA, 90095. Phone: (310) 206-8272. Providers update this record themselves, so call before visiting.

How can I verify Susan D. Leonard, M.D.'s license?

NPPES lists California license number A105969, 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 Susan D. Leonard, M.D. prescribe under Medicare Part D?

In 2024, Susan D. Leonard, M.D. had 1,584 Medicare Part D claims for 114 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.