Gregorio Ruelas, M.D.
NPI 1447441092 · Family Medicine Physician · Oxnard, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregorio Ruelas, M.D. is a Family Medicine Physician provider in Oxnard, CA (NPI 1447441092).
Provider details
- NPI number
- 1447441092
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A95991 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,021 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 410 | $134 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 256 | $96 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 155 | $138 |
| Administration of Influenza Virus VaccineG0008 | 57 | $28 |
| Administration of Pneumococcal VaccineG0009 | 42 | $28 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 127 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 623 | 187 |
| Amlodipine Besylate | 474 | 141 |
| Losartan Potassium | 470 | 141 |
| Metformin Hcl | 416 | 128 |
| Levothyroxine Sodium | 349 | 89 |
| Lisinopril | 234 | 67 |
| Pravastatin Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$30 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-08-08
- Last updated
- 2021-03-03
- Certified
- 2021-03-03
Frequently asked questions
- What is Gregorio Ruelas's NPI number?
- Gregorio Ruelas's National Provider Identifier (NPI) is 1447441092, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregorio Ruelas's specialty?
- Gregorio Ruelas is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregorio Ruelas located?
- Gregorio Ruelas's practice location on file with NPPES is 1751 Lombard St, Oxnard, CA 93030-8266.
- What is Gregorio Ruelas's phone number?
- The practice phone number listed in the NPPES registry for Gregorio Ruelas is (805) 981-9111.
- Does Gregorio Ruelas accept Medicare?
- Gregorio Ruelas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregorio Ruelas's NPI active?
- Yes — Gregorio Ruelas's NPI (1447441092) is active in the NPPES registry as of the last update on 2021-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.