Gary Ruelas, D.O., PH.D.

Primary specialty

Neuromusculoskeletal Medicine & OMM PhysicianTaxonomy code 204D00000X

License

20A7737 Issued in CA

Practice address

707 E Chapman Ave
Orange, CA 92866-1620

Phone

(714) 771-2880

Fax

(714) 771-2693

NPI assigned

Feb 7, 2007

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 4

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 Apr 1, 2018 through Apr 1, 2028

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy, Doctor of Philosophy

State licenses

Practice roles

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.

• Viviana Schilpp, LCSW

  • Adult Mental Health Clinic/Center
  • Orange, CA
  • NPI 1194396267
  NPD (past)

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

{
    "created_epoch": "1170806400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1154461549",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "707 E CHAPMAN AVE",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928661620",
            "telephone_number": "714-771-2880",
            "fax_number": "714-771-2693"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "707 E CHAPMAN AVE",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928661620",
            "telephone_number": "714-771-2880",
            "fax_number": "714-771-2693"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RUELAS",
        "first_name": "GARY",
        "name_prefix": "Dr.",
        "credential": "D.O., PH.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-02-07",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103G00000X",
            "taxonomy_group": "",
            "desc": "Clinical Neuropsychologist",
            "state": "CA",
            "license": "PSY13999",
            "primary": false
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "CA",
            "license": "PSY13999",
            "primary": false
        },
        {
            "code": "204D00000X",
            "taxonomy_group": "",
            "desc": "Neuromusculoskeletal Medicine & OMM",
            "state": "CA",
            "license": "20A7737",
            "primary": true
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "20A7737",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Pamela Marie Rudkin, M.A., PPS
• Scott Rudkin, MD
• Melissa Anne Rudolph, MD
• O'Neil Rudolph
• Gabriela Duron Ruelas
• Savannah Mariah Ruelas
• Phoopa Ruengnirundon
• Riccardo Lucien Ruggiero, REGISTERED NURSE
• Joseph Michael Ruggio, MD
• Donald Mark Ruhland, M.D.

• Neuromusculoskeletal Medicine & OMM Physician in Orange, CA
• Providers in Orange, CA by specialty
• Neuromusculoskeletal Medicine & OMM Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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; Opt Out Affidavits.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.