John Lofrese, MD
Internal Medicine Physician · San Diego, CA
John Lofrese, MD is an internal medicine physician with a practice address in San Diego, California, and NPI 1457848657, issued on Apr 13, 2018. Check the license (California A181111, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Lofrese
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A181111 CA
Self-reported in NPPES; status is on the state search - Practice location
- Naval Medical Center San Diego, San Diego, CA 92134
- Phone
- (516) 457-0965
- Enumerated
- Apr 13, 2018
- Record last updated
- Jun 26, 2025
- Medicare enrollment
- Enrolled (PECOS I20250926002176); accepts Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 2018
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at Naval Medical Center San Diego
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Verify John Lofrese in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A181111Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 3 group practices
- Emergency And Acute Care Medical CorporationChula Vista, CA
- Palomar Hospitalist Medical Group IncPoway, CA
- San Diego Critical Care Medical Group IncChula Vista, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Lofrese among 17,696 internal medicine physician records in California
John Lofrese, MD 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 2018, is newer than 84% of them.
- NPI issued2018 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2018 · median 2004 among the 11,065 with a school on file
- Record last updated2025 · 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).
961 internal medicine physician records list a practice address in San Diego
They are 961 of the 52,937 NPPES records with a practice address in San Diego, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Diego → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jaime Arroyo, M.D.San Diego, CA 921341104890987
- Kathleen Chao, M.D.San Diego, CA 921341538130430
- William Chin, M.D.San Diego, CA 921341821062308
- Konrad Davis, MDSan Diego, CA 921341285605691
- Jose De La Rosa, M.D.San Diego, CA 921341689646572
- Ludmila Gerova, M.D.San Diego, CA 921341346579497
- Anna Helgeson, MDSan Diego, CA 921341194826628
- Nancy Huth, M.D.San Diego, CA 921341417194606
Common questions
What is John Lofrese, MD's NPI number?
John Lofrese, MD's National Provider Identifier (NPI) is 1457848657, issued on Apr 13, 2018. An NPI identifies a provider in billing; it is not a license.
Where is John Lofrese, MD located?
The NPPES record lists a practice address at Naval Medical Center San Diego, San Diego, CA, 92134. Phone: (516) 457-0965. Providers update this record themselves, so call before visiting.
How can I verify John Lofrese, MD's license?
NPPES lists California license number A181111, 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.