Silvio Daniel Martinez, MD
Hospitalist Physician · Santa Cruz, CA
Silvio Daniel Martinez, MD is a hospitalist physician with a practice address in Santa Cruz, California, and NPI 1922740885, issued on Apr 11, 2022. Check the license (California A204266, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Silvio Daniel Martinez
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- A204266 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1661 Soquel Dr Ste D, Santa Cruz, CA 95065
- Phone
- (831) 458-6925
- Enumerated
- Apr 11, 2022
- Record last updated
- Jun 26, 2026
- Medicare enrollment
- Enrolled (PECOS I20250910002565); accepts Medicare assignment
- Medical or professional school
- University Of Florida College Of Medicine, 2022
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 1661 Soquel Dr Ste D
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rodrigo Cordero-Pangrazio, M.D.Hospitalist Physician1033571161
- Laura Hallahan, M.D.Hospitalist Physician1093155756
- Richard Hamner, MDHospitalist Physician1588660401
Verify Silvio Daniel Martinez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A204266Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average hospitalist physician in 2024
277 Medicare Part D claims for 74 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Gabapentin15 claims
- Atorvastatin Calcium11 claims
- Pantoprazole Sodium11 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
- Sutter Bay Medical FoundationWatsonville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Silvio Daniel Martinez among 3,099 hospitalist physician records in California
Silvio Daniel Martinez, MD is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 94% of them.
- NPI issued2022 · 94% of these records are older, 2% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2022 · median 2010 among the 2,505 with a school on file
- Record last updated2026 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Santa Cruz → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Jenifer Butler, M.D.Santa Cruz, CA 950651902950538
- William Cao, MDSanta Cruz, CA 950651932189529
- Cesar Castillo, MDSanta Cruz, CA 950651578735148
- Yolanda Cuadros, MDSanta Cruz, CA 950651619987203
- Richard Hamner, MDSanta Cruz, CA 950651588660401
- Rema Hanna, MDSanta Cruz, CA 950651265571202
- Donaldo Hernandez, M.D.Santa Cruz, CA 950651588644470
- Nhat Hoang, DOSanta Cruz, CA 950651215196480
Common questions
What is Silvio Daniel Martinez, MD's NPI number?
Silvio Daniel Martinez, MD's National Provider Identifier (NPI) is 1922740885, issued on Apr 11, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Silvio Daniel Martinez, MD located?
The NPPES record lists a practice address at 1661 Soquel Dr Ste D, Santa Cruz, CA, 95065. Phone: (831) 458-6925. Providers update this record themselves, so call before visiting.
How can I verify Silvio Daniel Martinez, MD's license?
NPPES lists California license number A204266, 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 Silvio Daniel Martinez, MD prescribe under Medicare Part D?
In 2024, Silvio Daniel Martinez, MD had 277 Medicare Part D claims for 74 beneficiaries; the average among hospitalist physician prescribers was 521. 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.