Johnathan Lopresti, M.D.
Endocrinology, Diabetes & Metabolism Physician · Los Angeles, CA
Johnathan Lopresti, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Los Angeles, California, and NPI 1568495307, issued on Jul 7, 2006. Check the license (California G48153, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Johnathan Lopresti
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License numbers
- G48153 CA
A50953 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1520 San Pablo St, Los Angeles, CA 90033
- Phone
- (323) 442-5100
- Enumerated
- Jul 7, 2006
- Record last updated
- Mar 10, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicaid ID
- 00G481530 CA
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
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Verify Johnathan Lopresti in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G48153Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
30 Medicare Part D claims, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium13 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.
Johnathan Lopresti among 1,131 endocrinology, diabetes & metabolism physician records in California
Johnathan Lopresti, M.D. is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 54% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2016 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in California
There are 1,131 endocrinology, diabetes & metabolism physician records in California.
All 1,131 in California → Every provider in Los Angeles → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Braden Barnett, M.D.Los Angeles, CA 900331124386776
- Elizabeth BealeLos Angeles, CA 900331376745893
- Stefan Bughi, M.D.Los Angeles, CA 900331134166671
- John Carmichael, MDLos Angeles, CA 900331396818241
- Christian Gastelum, MDLos Angeles, CA 900331285782268
- Vikram KamdarLos Angeles, CA 900331629004148
- Wei An Lee, D.O.Los Angeles, CA 900331205031804
- Ruchi Mathur, M.D.Los Angeles, CA 900331184650749
Common questions
What is Johnathan Lopresti, M.D.'s NPI number?
Johnathan Lopresti, M.D.'s National Provider Identifier (NPI) is 1568495307, issued on Jul 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Johnathan Lopresti, M.D. located?
The NPPES record lists a practice address at 1520 San Pablo St, Los Angeles, CA, 90033. Phone: (323) 442-5100. Providers update this record themselves, so call before visiting.
How can I verify Johnathan Lopresti, M.D.'s license?
NPPES lists California license number G48153, 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 Johnathan Lopresti, M.D. prescribe under Medicare Part D?
In 2024, Johnathan Lopresti, M.D. had 30 Medicare Part D claims; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.