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

Alan Santiago, MD

Individual provider Orthopaedic Surgery Physician · NPI 1295234391

Alan Santiago, MD is an Orthopedic Surgery in Orange, California. Qualified in 2020, 6 years ago. Practices with Regents of the University of California, a 48-clinician group and accepts Medicare assignment. Licensed in California and Texas.

Years since qualifying
6
Licensed in
CA, TX
In the registry since
2018
Specialties on file
3
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

101 The City Dr S
Orange, CA 92868-3201
Phone: (800) 465-3203
Show map & directions

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

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence A201646 (CA)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence W5955 (TX)
Orthopaedic Surgery of the Spine Physician Taxonomy 207XS0117X · Licence W5955 (TX)

Record details

NPI number1295234391
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 5, 2018
Last updated in NPPESJune 12, 2026
Certification dateJune 12, 2026

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Regents Of The University Of California — 48 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Orange