Ronald Leroy Gertsch, M.D.
Emergency Medicine Physician · Salinas, CA
Ronald Leroy Gertsch, M.D. is an emergency medicine physician with a practice address in Salinas, California, and NPI 1043356033, issued on Jan 29, 2007. Check the license (California C35744, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ronald Leroy Gertsch
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- C35744 CA
Self-reported in NPPES; status is on the state search - Practice location
- 355 Abbott St Ste 100, Salinas, CA 93901
- Phone
- (831) 751-7070
- Enumerated
- Jan 29, 2007
- Record last updated
- Sep 18, 2025
- Medicare enrollment
- Enrolled (PECOS I20120619000652); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 1972
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 355 Abbott St Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emily Barker, PA-CPhysician Assistant1215306196
- Jennifer Bartley, P.A.Physician Assistant1326477423
- Tonya Blakemore, M.D.Pediatrics Physician1376644336
- Kelsey CapronFamily Medicine Physician1427541259
- Armando Cervantes, MDFamily Medicine Physician1306473434
- Jenevee Chen, RNRegistered Nurse1326781543
Verify Ronald Leroy Gertsch in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C35744Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% more Medicare Part D claims than the average emergency medicine physician in 2024
271 Medicare Part D claims for 179 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Naproxen33 claims
- Doxycycline Hyclate32 claims
- Nitrofurantoin Mono-Macro20 claims
- Amoxicillin18 claims
- Tobramycin14 claims
- Albuterol Sulfate Hfa12 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 2 group practices
- Doctors ON Duty Medical Group, IncMonterey, CA
- Svmhs ClinicsSalinas, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ronald Leroy Gertsch among 7,751 emergency medicine physician records in California
Ronald Leroy Gertsch, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 50% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1972 · median 2011 among the 4,560 with a school on file
- Record last updated2025 · 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 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Salinas → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Nanette Blair, MDSalinas, CA 939011710980289
- Eric Fajardo, MDSalinas, CA 939011265435739
- Nikolas Greenson, M.D.Salinas, CA 939011811997737
- Erica Locke, M.DSalinas, CA 939011043530694
- Paul Marchand, M.D.Salinas, CA 939011952344186
- Theresa Marsh, MDSalinas, CA 939011437459138
- Robert Morris, M.D.Salinas, CA 939011841510468
- Misty Navarro, M.D.Salinas, CA 939011841290434
Common questions
What is Ronald Leroy Gertsch, M.D.'s NPI number?
Ronald Leroy Gertsch, M.D.'s National Provider Identifier (NPI) is 1043356033, issued on Jan 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Leroy Gertsch, M.D. located?
The NPPES record lists a practice address at 355 Abbott St Ste 100, Salinas, CA, 93901. Phone: (831) 751-7070. Providers update this record themselves, so call before visiting.
How can I verify Ronald Leroy Gertsch, M.D.'s license?
NPPES lists California license number C35744, 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 Ronald Leroy Gertsch, M.D. prescribe under Medicare Part D?
In 2024, Ronald Leroy Gertsch, M.D. had 271 Medicare Part D claims for 179 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.