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Family Practice

Gregorio Ruelas, MD

Works at hospitals in Ventura, CA · Oxnard, CA · California

Summary

Gregorio Ruelas, MD (Family Practice) is listed by Medicare at 2 hospitals in Ventura, CA and Oxnard, CA. NPI 1447441092. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Gregorio Ruelas, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Family PracticePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
22Years since medical school (graduated 2004)
MaleGender (as listed)
Primary Medical Group of Ventura County IncGroup practice

Quick answers

Which hospitals does Gregorio Ruelas work at?
Medicare's official clinician data lists Gregorio Ruelas at 2 hospitals: Community Memorial Hospital - Ventura and St Johns Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Gregorio Ruelas see patients?
Medicare's clinician data lists 5 practice locations, including Ventura, CA, Ojai, CA and Camarillo, CA. Call before your visit to confirm the address.
What is Gregorio Ruelas's specialty?
Medicare lists Family Practice as the primary specialty.
Does Gregorio Ruelas accept Medicare assignment?
Yes. Medicare's clinician data says Gregorio Ruelas accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Gregorio Ruelas offer telehealth?
Medicare's clinician data says Gregorio Ruelas offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Gregorio Ruelas?
(805) 647-7704, as listed in official Medicare / NPI Registry data.
What is Gregorio Ruelas's NPI number?
1447441092. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Gregorio Ruelas works

Medicare's Facility Affiliation Data lists Gregorio Ruelas at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Gregorio Ruelas is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Gregorio Ruelas as a member of this group (CMS data updated 2026-10-02).

  • Primary Medical Group of Ventura County Inc41 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in Ventura

Clinicians with the same Medicare primary specialty in Ventura, CA — not a recommendation.

All family doctors in Ventura →

Clinician information

CredentialMD
Graduation year2004
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1447441092
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians