Oscar Carazas, MD
NPI 1255745956 · Internal Medicine Physician · Oxnard, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Oscar Carazas, MD is a Internal Medicine Physician provider in Oxnard, CA (NPI 1255745956).
Provider details
- NPI number
- 1255745956
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A148222 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
858 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 396 | $121 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 211 | $80 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 127 | $118 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 93 | $176 |
| Advance Care Planning, First 30 Minutes99497 | 31 | $77 |
Typical Medicare-allowed amounts for these services range $77–$176 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 22 | 22 |
| Amlodipine Besylate | 19 | 18 |
| Pantoprazole Sodium | 17 | 17 |
| Levofloxacin | 15 | 15 |
| Atorvastatin Calcium | 14 | 13 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 14 | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-06-20
- Last updated
- 2025-11-21
- Certified
- 2025-11-21
Frequently asked questions
- What is Oscar Carazas's NPI number?
- Oscar Carazas's National Provider Identifier (NPI) is 1255745956, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Oscar Carazas's specialty?
- Oscar Carazas is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Oscar Carazas located?
- Oscar Carazas's practice location on file with NPPES is 1600 N Rose Ave, Oxnard, CA 93030-3722.
- What is Oscar Carazas's phone number?
- The practice phone number listed in the NPPES registry for Oscar Carazas is (805) 988-2505.
- Does Oscar Carazas accept Medicare?
- Oscar Carazas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Oscar Carazas's NPI active?
- Yes — Oscar Carazas's NPI (1255745956) is active in the NPPES registry as of the last update on 2025-11-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.