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

William Joseph Maloney

Individual provider Orthopaedic Surgery Physician · NPI 1255487500

William Joseph Maloney is an Orthopedic Surgery in Stanford, California. Graduated from Columbia University College of Physicians and Surgeons in 1983, 43 years ago. Practices with Stanford Health Care, a 3,085-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
43
Trained at
Columbia University College of Physicians and Surgeons
Licensed in
CA
In the registry since
2007
Specialties on file
2

Practice location Address checks out

300 Pasteur Dr
Stanford, CA 94305-2200
Phone: (650) 723-4000
Show map & directions

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

Additional practice locations (1)

  • 900 Blake Wilbur Dr, Palo Alto, CA 94304-2201 — (650) 723-1690

Specialties & licences

Adult Reconstructive Orthopaedic Surgery Physician (primary) Taxonomy 207XS0114X · Licence G52619 (CA)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence G52619 (CA)

Record details

NPI number1255487500
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJanuary 26, 2007
Last updated in NPPESApril 28, 2024
Certification dateApril 28, 2024

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolCOLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 1983 (43 years in practice)
Group practice Stanford Health Care — 3085 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Other providers in Stanford