Joseph Robert Duff

Primary specialty

Orthopaedic Foot and Ankle Surgery PhysicianTaxonomy code 207XX0004X

License

206817 Issued in CA

Practice address

3301 C St Ste 1600
Sacramento, CA 95816-3384

Phone

(916) 734-2700

Fax

(916) 734-7137

NPI assigned

Mar 30, 2021

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in NV

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Orthopedic Surgery

Education

University of Toledo College of Medicine, 2021

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1617062400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785456000000",
    "number": "1215515416",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4860 Y ST STE 3800",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958172307",
            "telephone_number": "916-734-5885",
            "fax_number": "916-734-7904"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3301 C ST STE 1600",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958163384",
            "telephone_number": "916-734-2700",
            "fax_number": "916-734-7137"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "555 N Arlington Ave",
            "address_purpose": "LOCATION",
            "city": "Reno",
            "state": "NV",
            "postal_code": "895034723",
            "country_code": "US",
            "telephone_number": "775-786-3040",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DUFF",
        "first_name": "JOSEPH",
        "middle_name": "ROBERT",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-03-30",
        "last_updated": "2026-07-31",
        "certification_date": "2026-07-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207XX0004X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Foot and Ankle Surgery",
            "state": "CA",
            "license": "206817",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Zoe Gellis Duensing
• Ronald Stanley Duer II, BS
• Antonia Marie Duerre, PT
• Monica Duerst, FNP-C
• Ann Marie Duesbury
• Adrienne Beth Turner Duffield, M.D.
• Curtis R Duffield, M.D.
• Alexandra Duffy, D.O.
• Kristen Elizabeth Duffy, C.R.N.P.
• Patrick Duffy

• Orthopaedic Foot and Ankle Surgery Physician in Sacramento, CA
• Providers in Sacramento, CA by specialty
• Orthopaedic Foot and Ankle Surgery Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 31, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.