John T. Bestoso, M.D.
Nephrology Physician · San Diego, CA
John T. Bestoso, M.D. is a nephrology physician with a practice address in San Diego, California, and NPI 1295721884, issued on Sep 20, 2005. Check the license (California G87345, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John T. Bestoso
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- G87345 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 W Arbor Dr, San Diego, CA 92103
- Phone
- (619) 543-7310
- Enumerated
- Sep 20, 2005
- Record last updated
- May 15, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (619) 543-7368
- Medicare enrollment
- Enrolled (PECOS I20050310001111); accepts Medicare assignment
- Medical or professional school
- Uniformed Services Uhs Fe Hebert School Of Med, 1985
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
Also registered at 200 W Arbor Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alison A'Court, MDAnesthesiology Physician1912218199
- Benjamin Abbadessa, M.D.Colon & Rectal Surgery Physician1255593612
- Geraldine Abcede, RNCertified Registered Nurse Anesthetist1982384046
- Joseph Abdelmalek, M.DNephrology Physician1740485531
- Kristy AbelCertified Registered Nurse Anesthetist1962113035
- Paula Abeleda, NPFamily Nurse Practitioner1558945022
Verify John T. Bestoso in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G87345Check 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 one group practice
- Scripps HealthLa Jolla, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John T. Bestoso among 1,468 nephrology physician records in California
John T. Bestoso, M.D. is one of 1,468 nephrology physician records with a practice address in California. 88% 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, 90% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1985 · median 2001 among the 1,128 with a school on file
- Record last updated2012 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in California
There are 1,468 nephrology physician records in California.
All 1,468 in California → Every provider in San Diego → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Judy Adler, M.D.San Diego, CA 921031326043894
- Joel Baranski, M.D.San Diego, CA 921031548265234
- Francis Gabbai, M.D.San Diego, CA 921031356356034
- Kevin Hoveida, MDSan Diego, CA 921031508931023
- Joachim IX, M.D.San Diego, CA 921031720017536
- Ravindra Mehta, MDSan Diego, CA 921031295818102
- Cynthia Miracle, MDSan Diego, CA 921031700976636
- Scott MullaneySan Diego, CA 921031285742726
Common questions
What is John T. Bestoso, M.D.'s NPI number?
John T. Bestoso, M.D.'s National Provider Identifier (NPI) is 1295721884, issued on Sep 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John T. Bestoso, M.D. located?
The NPPES record lists a practice address at 200 W Arbor Dr, San Diego, CA, 92103. Phone: (619) 543-7310. Providers update this record themselves, so call before visiting.
How can I verify John T. Bestoso, M.D.'s license?
NPPES lists California license number G87345, 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.