James Diep

Primary specialty

Foot & Ankle Surgery PodiatristTaxonomy code 213ES0103X

License

E6163 Issued in CA

Practice address

2338 Almond Ave
Concord, CA 94520-2026

Phone

(925) 979-8313

NPI assigned

Mar 21, 2022

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Podiatry

Education

California School of Podiatric Medicine, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Sun Healthcare and Surgery Group IncGroup PAC ID 8022390491, 6 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• John Muir Medical Center - Concord Campus Hospital, Concord, CA, CCN 050496
• John Muir Medical Center - Walnut Creek Campus Hospital, Walnut Creek, CA, CCN 050180

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Sun Healthcare and Surgery Group Inc

  • Podiatrist
  • Antioch, CA
  • NPI 1609328129

  Foot & Ankle Surgery

  Medicare reassignment Care Compare group NPD
• John Muir Trauma Physicians Billing Service

  • Hospitalist Physician
  • Walnut Creek, CA
  • NPI 1093864837
  Medicare reassignment

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• John Muir Health

  • General Acute Care Hospital
  • Walnut Creek, CA
  • NPI 1740215219
  Care Compare affiliation
• John Muir Health

  • General Acute Care Hospital
  • Concord, CA
  • NPI 1801821376
  Care Compare affiliation

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

{
    "created_epoch": "1647820800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1751500800000",
    "number": "1740939404",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2338 ALMOND AVE",
            "city": "CONCORD",
            "state": "CA",
            "postal_code": "945202026"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2338 ALMOND AVE",
            "city": "CONCORD",
            "state": "CA",
            "postal_code": "945202026",
            "telephone_number": "925-979-8313"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DIEP",
        "first_name": "JAMES",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2022-03-21",
        "last_updated": "2025-07-03",
        "certification_date": "2025-07-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "213ES0103X",
            "taxonomy_group": "",
            "desc": "Podiatrist, Foot & Ankle Surgery",
            "state": "CA",
            "license": "E6163",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Natalie Christine Dickinson
• Kendra Dickson
• Zamaury J Dickson
• Morgan Elissa Didonna
• Diana Diep
• Tomson Diep
• Kathryn Difino
• Lyniece Diggs
• Natalie Dighans
• Danielle Digiulio

• Foot & Ankle Surgery Podiatrist in Concord, CA
• Providers in Concord, CA by specialty
• Foot & Ankle Surgery Podiatrist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 3, 2025; 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.