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

William P. Duffy, MD, Inc

Organization Orthopaedic Surgery Physician · NPI 1497973184

William P. Duffy, MD, Inc is an Orthopaedic Surgery Physician in Sacramento, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1767 Tribute Rd Ste H
Sacramento, CA 95815-4409
Phone: (916) 564-6601
Fax: (916) 564-6603
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence C321550 (CA)

Record details

NPI number1497973184
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William Duffy — Owner · (916) 452-6601
NPI enumeratedApril 20, 2007
Last updated in NPPESFebruary 3, 2015
Mailing address1767 Tribute Rd, Suite H, Sacramento, CA 95815-4409

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