Crimson Health

Primary specialty

Addiction Medicine (Internal Medicine) PhysicianTaxonomy code 207RA0401X

Legal business name

CRIMSON HEALTH

Practice address

3576 Arlington Ave Ste 304
Riverside, CA 92506-3988

Phone

(909) 206-4057

NPI assigned

May 28, 2026

Organization subpart

No

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

Authorized official

Name

Dr. Mutahir Farhan, MDNPI 1033856661

Title

Owner

Phone

(951) 497-3749

Specialties & licenses 8

Addresses

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Mutahir Farhan, MD

  • Addiction Medicine (Internal Medicine) Physician
  • Corona, CA
  • NPI 1033856661
  NPD Authorized official
• Kazuo Quan Omi, MD

  • Psychiatry Physician
  • Corona, CA
  • NPI 1356721120
  NPD (past)

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

{
    "created_epoch": "1779926400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1779926400000",
    "number": "1609707579",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "20810 BAKAL DR",
            "city": "RIVERSIDE",
            "state": "CA",
            "postal_code": "925082983",
            "telephone_number": "951-497-3749"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3576 ARLINGTON AVE STE 304",
            "city": "RIVERSIDE",
            "state": "CA",
            "postal_code": "925063988",
            "telephone_number": "909-206-4057"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CRIMSON HEALTH",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-05-28",
        "last_updated": "2026-05-28",
        "certification_date": "2026-05-28",
        "status": "A",
        "authorized_official_last_name": "FARHAN",
        "authorized_official_first_name": "MUTAHIR",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "951-497-3749",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "163WW0000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Registered Nurse, Wound Care",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RA0000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Adolescent Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RA0401X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Addiction Medicine",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "2084A0401X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychiatry & Neurology, Addiction Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2084P0804X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychiatry & Neurology, Child & Adolescent Psychiatry",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "208VP0000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Pain Medicine, Pain Medicine",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Crescent Healthcare, Inc.
• Crescent Healthcare, Inc. (Crescent Healthcare)
• Jose Ramon Crespo Arangure
• Darlene Crespo Ortega
• Juliana Crespo
• Jaime A Crisanto, LCSW
• Blake Crislip
• German E Crisol, M.D.
• Jocelyn Inacay Crisostomo, FNP
• Stephanie Cristerna-Casillas

• Addiction Medicine (Internal Medicine) Physician in Riverside, CA
• Providers in Riverside, CA by specialty
• Addiction Medicine (Internal Medicine) Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 28, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.