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

Dr. Joseph Mendelis, MD

Individual provider Orthopaedic Surgery of the Spine Physician · NPI 1467847525

Dr. Joseph Mendelis, MD is an Orthopedic Surgery in Westlake Village, California. Qualified in 2015, 11 years ago. Practices with Regents of the University of California, a 136-clinician group, works from 6 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
11
Licensed in
CA
In the registry since
2015
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

30870 Russell Ranch Rd Ste 330
Westlake Village, CA 91362-7372
Phone: (805) 497-7015
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (5)

  • 19950 Rinaldi St Ste 100, Northridge, CA 91326-4141 — (818) 363-2273
  • 400 Parnassus Ave Fl 3, San Francisco, CA 94143-2202 — (866) 817-7463
  • 3605 Alamo St Ste 200, Simi Valley, CA 93063-2186 — (805) 578-8550
  • 375 Rolling Oaks Dr Ste 210, Thousand Oaks, CA 91361-1028 — (805) 497-7015
  • 1250 Waters Pl, Bronx, NY 10461-2720 — (347) 577-4410

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence A168200 (CA)
Orthopaedic Surgery of the Spine Physician Taxonomy 207XS0117X · Licence A168200 (CA)

Record details

NPI number1467847525
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 5, 2015
Last updated in NPPESMarch 21, 2025
Certification dateMarch 21, 2025

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Regents Of The University Of California — 136 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

Other providers in Westlake Village