Zan Ian Lewis, M.D.

Primary specialty

Orthopaedic Surgery PhysicianTaxonomy code 207X00000X

License

G23867 Issued in CA

Practice address

1200 N Tustin Ave
Suite 250
Santa Ana, CA 92705-3508

Phone

(714) 558-7365

Fax

(714) 541-0722

NPI assigned

Mar 17, 2006

Last updated

Jul 13, 2026By the provider in NPPES

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

Not listed in the public Medicare enrollment file

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.

Opted out of Medicare

Yes, effective Jan 19, 2016 through Jan 19, 2028

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Medicine

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Orthopaedic Group of Orange County

  • Orthopaedic Surgery Physician
  • Santa Ana, CA
  • NPI 1194343855
  NPD Authorized official

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

{
    "created_epoch": "1142553600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1275502478",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1200 N TUSTIN AVE",
            "address_2": "SUITE 250",
            "city": "SANTA ANA",
            "state": "CA",
            "postal_code": "927053508",
            "telephone_number": "714-558-7365",
            "fax_number": "714-541-0722"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1200 N TUSTIN AVE",
            "address_2": "SUITE 250",
            "city": "SANTA ANA",
            "state": "CA",
            "postal_code": "927053508",
            "telephone_number": "714-558-7365",
            "fax_number": "714-541-0722"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEWIS",
        "first_name": "ZAN",
        "middle_name": "IAN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-17",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "CA",
            "license": "G23867",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Gabrielle Gola Lewis
• Molly Lewis
• Naijwa Lewis
• Wendy P Lewis, PA-C
• Yolanda Lewis, SUDCC II
• Ingrid Leyton
• Irene Leyva Hernandez
• Ricardo Leyva
• Ruby Leyva
• Sandra Luz Leyva

• Orthopaedic Surgery Physician in Santa Ana, CA
• Providers in Santa Ana, CA by specialty
• Orthopaedic Surgery Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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; Opt Out Affidavits.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.