Robert Mark Wertz, MD
Diagnostic Radiology Physician · Roseville, CA
Robert Mark Wertz, MD is a diagnostic radiology physician with a practice address in Roseville, California, and NPI 1669812913, issued on Jul 1, 2013. Check the license (California A182591, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert Mark Wertz
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- A182591 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1380 Lead Hill Blvd Ste 100, Roseville, CA 95661
- Phone
- (916) 771-1469
- Enumerated
- Jul 1, 2013
- Record last updated
- Jan 19, 2023
- Fax
- (916) 966-5063
- Medicare enrollment
- Enrolled (PECOS I20230119002859); accepts Medicare assignment
- Medical or professional school
- Drexel University College Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Also registered at 1380 Lead Hill Blvd Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Patrick Do, M.D.Diagnostic Radiology Physician1023373297
- Jonathan Gershenson, D.O.Nuclear Medicine Physician1780046847
- Sanaz Ghaderi Niri, M.D.Diagnostic Radiology Physician1902169287
Verify Robert Mark Wertz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A182591Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024
11 Medicare Part D claims, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D.
Most prescribed
- Methylprednisolone11 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.
Bills Medicare through one group practice
- Dignity Health Medical FoundationRoseville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Mark Wertz among 4,500 diagnostic radiology physician records in California
Robert Mark Wertz, 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 2013, is newer than 76% of them.
- NPI issued2013 · 76% of these records are older, 22% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2013 · 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).
Diagnostic Radiology Physician providers in California
There are 4,500 diagnostic radiology physician records in California.
All 4,500 in California → Every provider in Roseville → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Danielle Chan, MDRoseville, CA 956611588895163
- Roland Demarco, M.D.Roseville, CA 956611821020017
- Patrick Do, M.D.Roseville, CA 956611023373297
- Sanaz Ghaderi Niri, M.D.Roseville, CA 956611902169287
- Hani Greiss, M.D.Roseville, CA 956611801893995
- Daniel Herron, MDRoseville, CA 956611689785024
- Glenn Hofer, MDRoseville, CA 956611629075718
- Charles Hubeny, MDRoseville, CA 956611689602294
Common questions
What is Robert Mark Wertz, MD's NPI number?
Robert Mark Wertz, MD's National Provider Identifier (NPI) is 1669812913, issued on Jul 1, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Robert Mark Wertz, MD located?
The NPPES record lists a practice address at 1380 Lead Hill Blvd Ste 100, Roseville, CA, 95661. Phone: (916) 771-1469. Providers update this record themselves, so call before visiting.
How can I verify Robert Mark Wertz, MD's license?
NPPES lists California license number A182591, 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 Robert Mark Wertz, MD prescribe under Medicare Part D?
In 2024, Robert Mark Wertz, MD had 11 Medicare Part D claims; the average among diagnostic radiology physician prescribers was 51. 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.