Charles William Matias, MD

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

01090924A Issued in IN

Practice address

340 W 10TH St Ste 6200
Indianapolis, IN 46202-3082

Phone

(317) 274-8157

NPI assigned

May 3, 2021

Last updated

Aug 27, 2025By 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 2

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in IN

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

Psychiatry

Education

Indiana University School of Medicine, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Iu Health Medical Group LLCGroup PAC ID 9638617913, 4,382 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: cmatias@direct.iuhealth.org

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.

• Iu Health Medical Group, LLC

  • General Practice Physician
  • Indianapolis, IN
  • NPI 1326893777
  Medicare reassignment Care Compare group NPD

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

{
    "created_epoch": "1620000000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756252800000",
    "number": "1427631852",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "340 W 10TH ST STE 6200",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462023082"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "340 W 10TH ST STE 6200",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462023082",
            "telephone_number": "317-274-8157"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "355 W 16th St Ste 2800",
            "address_purpose": "LOCATION",
            "city": "Indianapolis",
            "state": "IN",
            "postal_code": "462022279",
            "country_code": "US",
            "telephone_number": "317-963-7300",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MATIAS",
        "first_name": "CHARLES",
        "middle_name": "WILLIAM",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-05-03",
        "last_updated": "2025-08-27",
        "certification_date": "2025-08-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "IN",
            "license": "01090924A",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "CMATIAS@DIRECT.IUHEALTH.ORG",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "355 W 16th St Ste 2800",
            "city": "Indianapolis",
            "state": "IN",
            "country_code": "US",
            "postal_code": "462022279",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Russell E Mathis, R.PH., M.S.
• Tiffany Mathis
• Carla Mathison, LCSW
• Mary Margaret Mathison, LCSW
• Anubhav Narain Mathur, MD/PHD
• Kate Matich
• Bruce Allan Matis, DDS, MSD
• Iann Matlock, LMFTA
• Joshua Matlock
• Julie Matlock

• Psychiatry Physician in Indianapolis, IN
• Providers in Indianapolis, IN by specialty
• Psychiatry Physician in Indiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 27, 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.