Mark A. Casillas Jr., M.D.

Primary specialty

Surgery PhysicianTaxonomy code 208600000X

License

LP00968 Issued in RI

Practice address

1934 Alcoa Highway
BLDG D, Suite 370
Knoxville, TN 37920

Phone

(865) 305-5335

Fax

(865) 305-8840

NPI assigned

Apr 24, 2007

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in TN

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

Colorectal Surgery (Proctology)Also: General Surgery

Education

Other, 2006

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

University Health System, Inc.Group PAC ID 5294646378, 512 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• University Health System, Inc Hospital, Knoxville, TN, CCN 440015
• Wellmont Holston Valley Medical Center Hospital, Kingsport, TN, CCN 440017

Merit-based Incentive Payment System (MIPS)

Final score

96.48 of 100Reported as apm

Quality

86.23

Promoting interoperability

100

Improvement activities

40

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mark.casillasjr@direct.utmck.edu

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.

• University Health System, Inc

  dba UT Internal Medicine Pellissippi

  • Internal Medicine Physician
  • Knoxville, TN
  • NPI 1790738763
  Medicare reassignment Care Compare group NPD
• University Health System Inc

  dba University Thoracic Surgeons

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
  • Knoxville, TN
  • NPI 1306609748
  NPD
• University Health System, Inc

  dba University Colon and Rectal Surgery

  • Surgery Physician
  • Knoxville, TN
  • NPI 1295098614
  NPD
• University Health System, Inc.

  dba University of Tennessee Medical Center

  • General Acute Care Hospital
  • Knoxville, TN
  • NPI 1538164090
  NPD
• Knoxville Neurology Specialists, PLLC

  • Neurology Physician
  • Knoxville, TN
  • NPI 1720003338
  NPD (past)

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

• University Health System, Inc.

  dba University of Tennessee Medical Center

  • General Acute Care Hospital
  • Knoxville, TN
  • NPI 1538164090
  Care Compare affiliation
• Wellmont Health System

  dba Holston Valley Medical Center

  • General Acute Care Hospital
  • Kingsport, TN
  • NPI 1487690400
  Care Compare affiliation

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

{
    "created_epoch": "1177372800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1391472000000",
    "number": "1245458082",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1934 ALCOA HIGHWAY",
            "address_2": "BLDG D, SUITE 370",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "37920",
            "telephone_number": "865-305-5335",
            "fax_number": "865-305-8840"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1934 ALCOA HIGHWAY",
            "address_2": "BLDG D, SUITE 370",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "37920",
            "telephone_number": "865-305-5335",
            "fax_number": "865-305-8840"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CASILLAS",
        "first_name": "MARK",
        "middle_name": "A.",
        "name_suffix": "Jr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-04-24",
        "last_updated": "2014-02-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "RI",
            "license": "LP00968",
            "primary": true
        },
        {
            "code": "208C00000X",
            "taxonomy_group": "",
            "desc": "Colon & Rectal Surgery",
            "state": "TN",
            "license": "48676",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Casey Peer Nutrition Consultants
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• Ashley Caskey
• Dirisha Monique Caslin
• Athena Casoglos, RBT
• Adreanne Nashea Cason, PA-C

• Surgery Physician in Knoxville, TN
• Providers in Knoxville, TN by specialty
• Surgery Physician in Tennessee

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 4, 2014; 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.