Juan Deza, M.D.
Critical Care Medicine (Internal Medicine) Physician · San Diego, CA
Juan Deza, M.D. is a critical care medicine (internal medicine) physician with a practice address in San Diego, California, and NPI 1407846157, issued on Oct 25, 2005. Check the license (California A45058, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Juan Deza
- Credential
- M.D.
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- A45058 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7910 Frost Street, San Diego, CA 92123
- Phone
- (858) 650-5037
- Enumerated
- Oct 25, 2005
- Record last updated
- Jul 8, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (858) 650-5039
- Medicaid ID
- 00A450580 CA
- Medicare enrollment
- Enrolled (PECOS I20040205001345); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 723 in California → Look up another NPI →
Also registered at 7910 Frost Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carol Hecker, NPAdult Health Nurse Practitioner1699955625
- Charles Landers, M.D.Pulmonary Disease Physician1336132331
- Thomas Lawrie, M.D.Critical Care Medicine (Internal Medicine) Physician1124020755
- John Lemoine, M.D.Pulmonary Disease Physician1073505707
- Richard Sacks, M.D.Pulmonary Disease Physician1811034143
- Marcy Thornton, RNPWomen's Health Nurse Practitioner1114146636
Verify Juan Deza in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A45058Check 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 2 group practices
- Emergency And Acute Care Medical CorporationSan Diego, CA
- Focus ON Health IncSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Juan Deza among 723 critical care medicine (internal medicine) physician records in California
Juan Deza, M.D. is one of 723 critical care medicine (internal medicine) physician records with a practice address in California. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1980 · median 2005 among the 559 with a school on file
- Record last updated2016 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in California
There are 723 critical care medicine (internal medicine) physician records in California.
All 723 in California → Every provider in San Diego → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- William Fisher, M.D.San Diego, CA 921231245674001
- Frank GrassiSan Diego, CA 921231659342624
- Thomas Lawrie, M.D.San Diego, CA 921231124020755
- David Shaw, MDSan Diego, CA 921231205829728
- Praveen Akuthota, M.D.San Diego, CA 921211396704698
- Daniel Crouch, MDSan Diego, CA 921211710182423
- Naveen Gupta, MDSan Diego, CA 921211013015569
- Omar Mesarwi, MDSan Diego, CA 921211245430032
Common questions
What is Juan Deza, M.D.'s NPI number?
Juan Deza, M.D.'s National Provider Identifier (NPI) is 1407846157, issued on Oct 25, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Juan Deza, M.D. located?
The NPPES record lists a practice address at 7910 Frost Street, San Diego, CA, 92123. Phone: (858) 650-5037. Providers update this record themselves, so call before visiting.
How can I verify Juan Deza, M.D.'s license?
NPPES lists California license number A45058, 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.