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

Dr. Mark Jeffrey Jo, MD

Individual provider Orthopaedic Trauma Physician · NPI 1689974255

Dr. Mark Jeffrey Jo, MD is an Orthopedic Surgery in Pasadena, California. Graduated from University of California, Geffen School of Medicine in 2006, 20 years ago. Practices with Huntington Orthopedic Surgical Group, an 18-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
20
Trained at
University of California, Geffen School of Medicine
Licensed in
CA
In the registry since
2010
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

10 Congress St Ste 103
Pasadena, CA 91105-3045
Phone: (626) 795-0282
Fax: (626) 792-0682
Show map & directions

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

Specialties & licences

Orthopaedic Trauma Physician (primary) Taxonomy 207XX0801X · Licence A122314 (CA)

Record details

NPI number1689974255
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 28, 2010
Last updated in NPPESFebruary 18, 2015
Mailing address10 Congress St, Suite 103, Pasadena, CA 91105-3045

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolUNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE
Graduated 2006 (20 years in practice)
Group practice Huntington Orthopedic Surgical Group — 18 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount