Oscar Carazas, MD
Internal Medicine Physician · Oxnard, CA
Oscar Carazas, MD is an internal medicine physician with a practice address in Oxnard, California, and NPI 1255745956, issued on Jun 20, 2014. Check the license (California A148222, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Oscar Carazas
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A148222 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1600 N Rose Ave, Oxnard, CA 93030
- Phone
- (805) 988-2505
- Enumerated
- Jun 20, 2014
- Record last updated
- Nov 21, 2025
- Medicare enrollment
- Enrolled (PECOS I20170905003189); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1600 N Rose Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Glen Abergel, M.D.Critical Care Medicine (Internal Medicine) Physician1093743924
- Waqas Aftab, M.D.Critical Care Medicine (Internal Medicine) Physician1043414220
- David Aguilar, M.D.Anesthesiology Physician1568484921
- Michelle AmparoRegistered Nurse1386593994
- Melissa Arbar, DOAnesthesiology Physician1063875136
- Sulaiman Barkho, MDInternal Medicine Physician1710417209
Verify Oscar Carazas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A148222Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average internal medicine physician in 2024
420 Medicare Part D claims for 147 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 33 claims were for opioids.
Most prescribed
- Metoprolol Succinate22 claims
- Amlodipine Besylate19 claims
- Pantoprazole Sodium17 claims
- Levofloxacin15 claims
- Atorvastatin Calcium14 claims
- Hydrocodone-Acetaminophen14 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
- Inpatient Specialists OF California PCOxnard, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
44 internal medicine physician records list a practice address in Oxnard
They are 44 of the 3,211 NPPES records with a practice address in Oxnard, and 17,696 internal medicine physician records in California.
All 44 in Oxnard → All 17,696 in California → Every provider in Oxnard →
Other internal medicine physician records in California
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- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Oscar Carazas, MD's NPI number?
Oscar Carazas, MD's National Provider Identifier (NPI) is 1255745956, issued on Jun 20, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Oscar Carazas, MD located?
The NPPES record lists a practice address at 1600 N Rose Ave, Oxnard, CA, 93030. Phone: (805) 988-2505. Providers update this record themselves, so call before visiting.
How can I verify Oscar Carazas, MD's license?
NPPES lists California license number A148222, 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 Oscar Carazas, MD prescribe under Medicare Part D?
In 2024, Oscar Carazas, MD had 420 Medicare Part D claims for 147 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.