Richard David Greczanik, D.O.

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

R1957 Issued in TX

Practice address

3593 E Grande Blvd
Tyler, TX 75707-1400

Phone

(903) 839-2585

NPI assigned

Sep 17, 2008

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

Other identifiers 10

Medicare fee-for-service enrollment

Enrolled in TX

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

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: rgreczanik140060@christushealth.direct-ci.net

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.

• Christus Trinity Clinic Texas

  • Family Medicine Physician
  • Tyler, TX
  • NPI 1285684225
  Medicare reassignment NPD
• Mother Frances Hospital Regional Health Care Center

  • General Acute Care Hospital
  • Tyler, TX
  • NPI 1679578439
  Medicare reassignment NPD
• Christus Trinity Clinic Texas

  • Rural Health Clinic/Center
  • Winnsboro, TX
  • NPI 1801673165
  NPD
• Mercy Health Youngstown LLC

  • Durable Medical Equipment & Medical Supplies
  • Youngstown, OH
  • NPI 1245180785
  NPD (past)

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

{
    "created_epoch": "1221609600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763510400000",
    "number": "1689823429",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 846098",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752842975",
            "telephone_number": "903-324-6400"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3593 E GRANDE BLVD",
            "city": "TYLER",
            "state": "TX",
            "postal_code": "757071400",
            "telephone_number": "903-839-2585"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3802 Manhatton Dr",
            "address_purpose": "LOCATION",
            "city": "Tyler",
            "state": "TX",
            "postal_code": "757019451",
            "country_code": "US",
            "telephone_number": "903-509-8888",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "5414 S Broadway Ave",
            "address_purpose": "LOCATION",
            "city": "Tyler",
            "state": "TX",
            "postal_code": "757031335",
            "country_code": "US",
            "telephone_number": "903-581-1601",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GRECZANIK",
        "first_name": "RICHARD",
        "middle_name": "DAVID",
        "credential": "D.O.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2008-09-17",
        "last_updated": "2025-11-19",
        "certification_date": "2025-11-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "OH",
            "license": "58.001880",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "OH",
            "license": "34.009584",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "TX",
            "license": "R1957",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "370175701",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TRICARE",
            "identifier": "75-0818167-022",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TRICARE",
            "identifier": "75-2616977-001",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TRICARE",
            "identifier": "75-2616977-129",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE RAIL ROAD",
            "identifier": "P01877165",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "8GQ047",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "8GQ046",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "370175702",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TRICARE",
            "identifier": "75-2616977-002",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TRICARE",
            "identifier": "75-2616977-028",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Kim Gray, MA., CCC-SLP
• Stacey Gray
• Grayce Nutrition and Wellness, LLC
• Lillie Grayson
• Greater Foundation Foot Clinics East Texas, PLLC
• Green Acres Baptist Church
• Green Acres Baptist Church
• Bradley Andrew Green, PHD
• Cossette Alina Green, DO
• Darrelland Green, LPC-A

• Family Medicine Physician in Tyler, TX
• Providers in Tyler, TX by specialty
• Family Medicine Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 19, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.