Joel Justin Baranski, M.D.
Nephrology Physician · San Diego, CA
Joel Justin Baranski, M.D. is a nephrology physician with a practice address in San Diego, California, and NPI 1548265234, issued on Jun 17, 2005. Check the license (California G67559, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joel Justin Baranski
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- G67559 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4060 4TH Ave, San Diego, CA 92103
- Phone
- (619) 299-2350
- Enumerated
- Jun 17, 2005
- Record last updated
- Jun 28, 2022
- Fax
- (619) 297-8379
- Medicaid ID
- 00G675590 CA
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
Also registered at 4060 4TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Aalbers, M.D.Neurology Physician1942262431
- Judy Adler, M.D.Nephrology Physician1326043894
- Christin Bawa, ATC, PA-CPhysician Assistant1013126044
- Luann Beacom, N.P.Nurse Practitioner1760578538
- Carrie Bitsko, A.T.C.Athletic Trainer1053519934
- Michael Bongiovanni, M.D.Orthopaedic Surgery Physician1992772784
Verify Joel Justin Baranski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G67559Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average nephrology physician in 2024
45 Medicare Part D claims, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of 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.
Industry payments in 2024: $44.84
1 payment: food and beverage; the largest payer was Nxstage Medical, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Joel Justin Baranski among 1,468 nephrology physician records in California
Joel Justin Baranski, 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 fileNo · 77% of these records are
- Record last updated2022 · 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
- John Bestoso, M.D.San Diego, CA 921031295721884
- 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 Joel Justin Baranski, M.D.'s NPI number?
Joel Justin Baranski, M.D.'s National Provider Identifier (NPI) is 1548265234, issued on Jun 17, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Joel Justin Baranski, M.D. located?
The NPPES record lists a practice address at 4060 4TH Ave, San Diego, CA, 92103. Phone: (619) 299-2350. Providers update this record themselves, so call before visiting.
How can I verify Joel Justin Baranski, M.D.'s license?
NPPES lists California license number G67559, 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 Joel Justin Baranski, M.D. prescribe under Medicare Part D?
In 2024, Joel Justin Baranski, M.D. had 45 Medicare Part D claims; the average among nephrology physician prescribers was 1,465. 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.