Mark Johnston Williams, M.D.

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

H3845 Issued in TX

Practice address

2901 N. 4TH St.
Longview, TX 75605-5128

Phone

(903) 247-2050

Fax

(903) 934-8280

NPI assigned

Mar 1, 2006

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

Other identifiers 1

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

Specialty

AnesthesiologyAlso: Pain Management

Education

Other, 1986

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Northstar Anesthesia III PAGroup PAC ID 0042630501, 393 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Longview Regional Medical Center Hospital, Longview, TX, CCN 450702

Medicare enrollment (NPD)

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 and National Provider Directory roles.

• Northstar Anesthesia III PA

  • Anesthesiology Physician
  • Corpus Christi, TX
  • NPI 1356968952
  Medicare reassignment Care Compare group NPD
• Texas Ams PLLC

  • Anesthesiology Physician
  • Pensacola, FL
  • NPI 1174926125

  TX

  Medicare reassignment NPD
• Good Shepherd Ambulatory Surgical Center LTD

  • Ambulatory Surgical Clinic/Center
  • Longview, TX
  • NPI 1255317384
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Longview Medical Center LP

  • General Acute Care Hospital
  • Longview, TX
  • NPI 1528026267
  Care Compare affiliation

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

{
    "created_epoch": "1141171200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1675123200000",
    "number": "1174590947",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 614",
            "city": "LONGVIEW",
            "state": "TX",
            "postal_code": "756060614",
            "telephone_number": "903-247-2050",
            "fax_number": "903-934-8280"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2901 N. 4TH ST.",
            "city": "LONGVIEW",
            "state": "TX",
            "postal_code": "756055128",
            "telephone_number": "903-247-2050",
            "fax_number": "903-934-8280"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "MARK",
        "middle_name": "JOHNSTON",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-01",
        "last_updated": "2023-01-31",
        "certification_date": "2023-01-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "TX",
            "license": "H3845",
            "primary": true
        },
        {
            "code": "207LP2900X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pain Medicine",
            "state": "TX",
            "license": "H3845",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "138869601",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Jasmin Williams
• Jeffrey Lee Williams, CRNA
• Jennifer Lee Williams, APRN
• Jennifer Ruth Williams, OTR
• Kathy Ann Pippins Williams
• Matthew Joshua Williams, CRNA
• Nina B Williams, LPC
• Paul Brian Williams, M.D.
• Randall Blake Williams
• Ricky Anthony Williams, R.PH.

• Anesthesiology Physician in Longview, TX
• Providers in Longview, TX by specialty
• Anesthesiology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 31, 2023; 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.