Joseph Victor Mersol, MD
Diagnostic Radiology Physician · Walnut Creek, CA
Joseph Victor Mersol, MD is a diagnostic radiology physician with a practice address in Walnut Creek, California, and NPI 1730174293, issued on Sep 12, 2005. Check the license (California A83758, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joseph Victor Mersol
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- A83758 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2125 Oak Grove RD, Walnut Creek, CA 94598
- Phone
- (925) 296-7150
- Enumerated
- Sep 12, 2005
- Record last updated
- Aug 16, 2023
- Fax
- (925) 296-7171
- Medicare enrollment
- Enrolled (PECOS I20040709000631); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 1998
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Also registered at 2125 Oak Grove RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Richard Baxter, M.D.Diagnostic Radiology Physician1356382956
- Robert BinderDiagnostic Radiology Physician1942241559
- Kimberly Blumberg, M.DDiagnostic Radiology Physician1316979925
- James Branscom, M.D.Diagnostic Radiology Physician1558304451
- Less Chafen, M.D.Diagnostic Radiology Physician1336131689
- Joseph Chan, M.D.Diagnostic Radiology Physician1043256720
Verify Joseph Victor Mersol in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A83758Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $255.00
2 payments; by number, the most common kind was food and beverage; the largest payer was Heartflow, Inc. The 8,048 providers of this specialty with any payment received $2,488.38 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.
Bills Medicare through 3 group practices
- Bay Imaging Consultants Medical Group IncOakland, CA
- County OF Santa ClaraSan Jose, CA
- Magnetic Imaging Affiliates LLCOakland, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Victor Mersol among 4,500 diagnostic radiology physician records in California
Joseph Victor Mersol, MD is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% 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, 93% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1998 · median 2004 among the 3,130 with a school on file
- Record last updated2023 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
98 diagnostic radiology physician records list a practice address in Walnut Creek
They are 98 of the 6,170 NPPES records with a practice address in Walnut Creek, and 4,500 diagnostic radiology physician records in California.
All 4,500 in California → Every provider in Walnut Creek → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Eric Bain, MDWalnut Creek, CA 945981922047190
- Richard Baxter, M.D.Walnut Creek, CA 945981356382956
- Robert BinderWalnut Creek, CA 945981942241559
- Less Chafen, M.D.Walnut Creek, CA 945981336131689
- George Chu, MDWalnut Creek, CA 945981952340465
- Sangeeta Gambhir, M.D.Walnut Creek, CA 945981144213299
- Molly Honegger, M.D.Walnut Creek, CA 945981780648766
- Christopher Krol, MDWalnut Creek, CA 945981114905007
Common questions
What is Joseph Victor Mersol, MD's NPI number?
Joseph Victor Mersol, MD's National Provider Identifier (NPI) is 1730174293, issued on Sep 12, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Victor Mersol, MD located?
The NPPES record lists a practice address at 2125 Oak Grove RD, Walnut Creek, CA, 94598. Phone: (925) 296-7150. Providers update this record themselves, so call before visiting.
How can I verify Joseph Victor Mersol, MD's license?
NPPES lists California license number A83758, 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.