Ronald R. Tempesta, MD
Infectious Disease Physician · South San Francisco, CA
Ronald R. Tempesta, MD is an infectious disease physician with a practice address in South San Francisco, California, and NPI 1841378445, issued on Nov 1, 2006. Check the license (California G70274, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Ronald R. Tempesta
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- G70274 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1200 EL Camino Real, South San Francisco, CA 94080
- Phone
- (650) 742-2000
- Enumerated
- Nov 1, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 00G702740 CA
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 1,119 in California → Look up another NPI →
Also registered at 1200 EL Camino Real
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leslie Adams, PHARMDPharmacist1902338486
- Kristine Aguirre, RRTRegistered Respiratory Therapist1528539996
- Lena AlazzehPhysical Therapist1629739859
- Kate AlbeePhysical Therapist1053464495
- Jason Anderson, MDHospitalist Physician1831277466
- Karl Anderson, MDUrology Physician1700964301
Verify Ronald R. Tempesta in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G70274Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Ronald R. Tempesta among 1,119 infectious disease physician records in California
Ronald R. Tempesta, MD is one of 1,119 infectious disease 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 not. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 54% newer
- In a Medicare fileNo · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2007 · 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 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in California
There are 1,119 infectious disease physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,119 in California → Every provider in South San Francisco → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Jamila Champsi, MDSouth San Francisco, CA 940801427136068
- Dana Clutter, M.D.South San Francisco, CA 940801821309717
- Nagma Hossain, MDRedwood City, CA 940631528141520
- Malika Kheraj, MDRedwood City, CA 940631619055274
- Manoj Ray, M.D.Redwood City, CA 940631831328988
- Darvin SmithRedwood City, CA 940631568548535
- Ulf Fritz Bredeek Mendes, M.D., PHDRedwood City, CA 940621689667495
- Tomas Aragon, M.D., DR.P.H.San Francisco, CA 941021053633149
Common questions
What is Ronald R. Tempesta, MD's NPI number?
Ronald R. Tempesta, MD's National Provider Identifier (NPI) is 1841378445, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ronald R. Tempesta, MD located?
The NPPES record lists a practice address at 1200 EL Camino Real, South San Francisco, CA, 94080. Phone: (650) 742-2000. Providers update this record themselves, so call before visiting.
How can I verify Ronald R. Tempesta, MD's license?
NPPES lists California license number G70274, 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. 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.