WILLIAM JOSEPH MALONEY NPI 1255487500

NPI Information

  • NPI: 1255487500
  • Provider Name: WILLIAM JOSEPH MALONEY
  • Classification: Orthopaedic Surgery - 207XS0114X
  • Specialization: Adult Reconstructive Orthopaedic Surgery
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 300 PASTEUR DR
    STANFORD, CA
    ZIP 94305
  • Phone: (650) 723-4000

Map and Directions

Get Directions

NPI Details

William Joseph Maloney is an adult reconstructive orthopaedic surgery orthopaedic surgery in Stanford, CA with 43 years of experience. The provider is recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, adult reconstructive orthopaedic surgeons deal with reconstructive procedures such as joint arthroplasty (i.e., hip and knee), osteotomy, arthroscopy, soft-tissue reconstruction, and a variety of other adult reconstructive surgical procedures. William Joseph Maloney NPI is 1255487500. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

Education
Medical School: COLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduation Year:1983

The provider's business location address is:

300 PASTEUR DR
STANFORD, CA
ZIP 94305-200
Phone: (650) 723-4000

The NPI 1255487500 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.

  • Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)
  • Established patient office or other outpatient visit, 10-19 minutes (HCPCS:99212)
  • Musculoskeletal surgical navigational orthopedic operation using imaging guidance (HCPCS:0055T)
  • New patient office or other outpatient visit, 30-44 minutes (HCPCS:99203)
  • Replacement of knee joint, both sides of knee (HCPCS:27447)
  • Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
  • New patient office or other outpatient visit, 45-59 minutes (HCPCS:99204)
  • Hip replacement (HCPCS:NAN09)
  • Knee replacement (HCPCS:NAN06)

The enumeration date for this NPI number is 1/26/2007 and was last updated on 4/28/2024.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1207X00000XOrthopaedic SurgeryG52619CALIFORNIANo
2207XS0114XOrthopaedic SurgeryAdult Reconstructive Orthopaedic SurgeryG52619CALIFORNIAYes

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

NPI Synchronization or Removal

All materials and services on this site are provided on an "as is" and "as available" basis without warranty of any kind. The NPI record is maintained by the National Plan & Provider Enumeration System (NPPES) and anyone may request this information and other NPPES health care provider data from HHS under The Freedom of Information Act (FOIA), Title 5 of the United States Code, section 552. To update the NPI records please contact the NPPES.