Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. John Ryan Quinn, MD

Individual provider Orthopaedic Surgery Physician · NPI 1740690270

Dr. John Ryan Quinn, MD is an Orthopedic Surgery in Oxnard, California. Qualified in 2014, 12 years ago. Practices with Ventura Orthopedics Medical Group Inc, a 78-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
12
Licensed in
CA
In the registry since
2014
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2221 Wankel Way
Oxnard, CA 93030-0192
Phone: (805) 988-9366
Fax: (805) 483-3747
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 3901 Las Posas Rd Ste 4, Camarillo, CA 93010-1502 — (805) 585-5166
  • 2525 Erringer Rd, Simi Valley, CA 93065-2352 — (805) 527-1404

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence A138201 (CA)

Record details

NPI number1740690270
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 6, 2014
Last updated in NPPESJuly 14, 2025
Certification dateJuly 14, 2025
Mailing address1203 Flynn Rd Unit 160, Camarillo, CA 93012-6203

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Ventura Orthopedics Medical Group Inc — 78 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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