Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JOSEPH ROBERT DUFF
NPI 1215515416
Orthopaedic Surgery - Foot and Ankle Surgery in Sacramento, CA

Q: What is Joseph Duff's NPI number?

The NPI number for Joseph Duff is 1215515416. It was assigned to this individual provider in the NPPES registry on March 30, 2021.

Q: What is Joseph Duff's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Foot and Ankle Surgery, with taxonomy code 207XX0004X.

Q: When was this NPI record last updated?

The NPPES record for Joseph Duff was last updated on July 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 30, 2021PECOS Enrolled

3301 C ST STE 1600, SACRAMENTO, CA 95816(916) 734-2700(916) 734-7137 Get Directions Write a Review

NPPES record last updated: July 31, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 31, 2026, Mar 30, 2021 (2 updates tracked since 2021).

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About Joseph Robert Duff NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOSEPH ROBERT DUFF (NPI 1215515416) is an individual foot and ankle surgery provider in Sacramento, California, licensed in California (206817) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS and is a graduate of University Of Toledo College Of Medicine (2021).

NPPES Registry Identity

NPI1215515416

Entity TypeIndividualMale

Primary Taxonomy207XX0004X

Provider Legal NameJOSEPH ROBERT DUFF

Location Address3301 C ST STE 1600Sacramento, CA 95816-3384

Mailing Address4860 Y St Ste 3800Sacramento, CA 95817-2307 · (916) 734-5885 · Fax (916) 734-7904

Phone(916) 734-2700

Fax(916) 734-7137

Sole ProprietorNo

Medical School CMSUniversity Of Toledo College Of MedicineGraduated 2021

Enumeration DateMarch 30, 2021

Last NPPES UpdateJuly 31, 20262 updates tracked since enumeration

NPPES CertifiedJuly 31, 2026

✔ NPI 1215515416 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic Surgery · Foot and Ankle SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207XX0004X

License✔ Licensed in CA · 206817

Definition

Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, foot and ankle surgeons deal with adult reconstructive foot and ankle surgery, adult foot and ankle trauma, sports medicine foot and ankle, and children's foot and ankle reconstructive surgery.

3301 C ST STE 1600, Sacramento, CA 95816

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Joseph Robert Duff is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9032681176

PECOS Enrollment IDI20260618004320

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ALEXANDRA ERNST MD, MPH

Orthopaedic Surgery (Foot and Ankle Surgery)