John Thomas Leppert, M.D.
Urology Physician · Los Angeles, CA
John Thomas Leppert, M.D. is a urology physician with a practice address in Los Angeles, California, and NPI 1407978497, issued on Apr 3, 2007. Check the license (California A83607, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Thomas Leppert
- Credential
- M.D.
- Primary taxonomy
- Urology Physician 208800000X
- License number
- A83607 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1253 Granville Ave, Los Angeles, CA 90025
- Phone
- (310) 231-0050
- Enumerated
- Apr 3, 2007
- Record last updated
- May 21, 2010 (not updated in 16 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest urology physician records → All 1,524 in California → Look up another NPI →
Verify John Thomas Leppert in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A83607Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $2,143.28
4 payments; by number, the most common kind was food and beverage; the largest payer was Telix Pharmaceuticals. The 9,340 providers of this specialty with any payment received $3,800.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
John Thomas Leppert among 1,524 urology physician records in California
John Thomas Leppert, M.D. is one of 1,524 urology physician records with a practice address in California. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 49% of them.
- NPI issued2007 · 49% of these records are older, 40% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2010 · 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 208800000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in California
There are 1,524 urology physician records in California.
All 1,524 in California → Every provider in Los Angeles → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Patrick LecLos Angeles, CA 900251083076186
- Audley Osbourne, MDLos Angeles, CA 900251992900062
- John Brusky, MDLos Angeles, CA 900271942323399
- Gary Chien, M.D.Los Angeles, CA 900271639121395
- Roger De Filippo, MDLos Angeles, CA 900271205922614
- Richard Hurwitz, MDLos Angeles, CA 900271851450506
- Jon Kaswick, MDLos Angeles, CA 900271831266717
- Dennis Kim, MDLos Angeles, CA 900271598813511
Common questions
What is John Thomas Leppert, M.D.'s NPI number?
John Thomas Leppert, M.D.'s National Provider Identifier (NPI) is 1407978497, issued on Apr 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Thomas Leppert, M.D. located?
The NPPES record lists a practice address at 1253 Granville Ave, Los Angeles, CA, 90025. Phone: (310) 231-0050. Providers update this record themselves, so call before visiting.
How can I verify John Thomas Leppert, M.D.'s license?
NPPES lists California license number A83607, 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.
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.