David Samuel Diller, M.D.
Emergency Medicine Physician · Los Angeles, CA
David Samuel Diller, M.D. is an emergency medicine physician with a practice address in Los Angeles, California, and NPI 1801187398, issued on May 2, 2011. Check the license (California A140729, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David Samuel Diller
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A140729 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1975 Zonal Ave Ste 208, Los Angeles, CA 90089
- Phone
- (323) 442-1763
- Enumerated
- May 2, 2011
- Record last updated
- Oct 15, 2024
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Verify David Samuel Diller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A140729Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average emergency medicine physician in 2024
14 Medicare Part D claims for 11 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
David Samuel Diller among 7,751 emergency medicine physician records in California
David Samuel Diller, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 60% of them.
- NPI issued2011 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2024 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Los Angeles → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Robert AllenLos Angeles, CA 900891528562469
- Eduardo Borquez, M.D.Los Angeles, CA 900891497935134
- Joseph Choi, MD, MPHLos Angeles, CA 900891902087497
- Dennis Espitia, M.D.Los Angeles, CA 900891669654380
- David Harrison, M.D.Los Angeles, CA 900891104189000
- Jennifer Huang, D.O.Los Angeles, CA 900891275708588
- Vanessa Kreger, M.D.Los Angeles, CA 900891467849604
- Mizuho Morrison, DOLos Angeles, CA 900891508008335
Common questions
What is David Samuel Diller, M.D.'s NPI number?
David Samuel Diller, M.D.'s National Provider Identifier (NPI) is 1801187398, issued on May 2, 2011. An NPI identifies a provider in billing; it is not a license.
Where is David Samuel Diller, M.D. located?
The NPPES record lists a practice address at 1975 Zonal Ave Ste 208, Los Angeles, CA, 90089. Phone: (323) 442-1763. Providers update this record themselves, so call before visiting.
How can I verify David Samuel Diller, M.D.'s license?
NPPES lists California license number A140729, 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 David Samuel Diller, M.D. prescribe under Medicare Part D?
In 2024, David Samuel Diller, M.D. had 14 Medicare Part D claims for 11 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.