Syed A Mazher, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

E3012 Issued in AR

Practice address

5701 Summerhill Rd
Texarkana, TX 75503-1634

Phone

(870) 779-2750

NPI assigned

Jun 24, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 6

Addresses

Other identifiers 2

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

HospitalistAlso: Internal Medicine

Education

Other, 1986

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

University of Texas Southwestern Medical Center at DallasGroup PAC ID 0648188250, 3,156 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Ut of Texas Southwestern University Hospital - William P. Clements Jr. Hospital, Dallas, TX, CCN 450044

Merit-based Incentive Payment System (MIPS)

Final score

82.87 of 100Reported as group

Quality

70.15

Promoting interoperability

100

Improvement activities

40

Cost

72.75

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.

• University of Texas Southwestern Medical Center at Dallas

  • Anesthesiology Physician
  • Dallas, TX
  • NPI 1942270566
  Medicare reassignment Care Compare group NPD
• The University of Texas Southwestern Medical Center at Dallas

  • Clinical Medical Laboratory
  • Dallas, TX
  • NPI 1396832713
  NPD
• University of Texas Southwestern Medical Center at Dallas

  • Internal Medicine Physician
  • Dallas, TX
  • NPI 1760452767
  NPD
• University of Texas Southwestern Medical Center at Dallas

  • General Acute Care Hospital
  • Dallas, TX
  • NPI 1285798918
  NPD (past)
• Arkansas Oncology Associates

  • Specialist
  • Little Rock, AR
  • NPI 1821007501
  NPD (past)

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

• University of Texas Southwestern Medical Center at Dallas

  • General Acute Care Hospital
  • Dallas, TX
  • NPI 1285798918
  Care Compare affiliation

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

{
    "created_epoch": "1119571200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788134400000",
    "number": "1467458356",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "510 E STONER AVE",
            "city": "SHREVEPORT",
            "state": "LA",
            "postal_code": "711014243",
            "telephone_number": "318-221-8411"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5701 SUMMERHILL RD",
            "city": "TEXARKANA",
            "state": "TX",
            "postal_code": "755031634",
            "telephone_number": "870-779-2750"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAZHER",
        "first_name": "SYED",
        "middle_name": "A",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-06-24",
        "last_updated": "2026-08-31",
        "certification_date": "2026-08-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "AR",
            "license": "E3012",
            "primary": false
        },
        {
            "code": "173000000X",
            "taxonomy_group": "",
            "desc": "Legal Medicine",
            "state": "AR",
            "license": "E3012",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "TX",
            "license": "S4022",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "TX",
            "license": "S4022",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "AR",
            "license": "E3012",
            "primary": true
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "AR",
            "license": "E3012",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "143806001",
            "state": "AR"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LICENSE NUMBER",
            "identifier": "E3012",
            "state": "AR"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Igor Evan Matwijiw, M.D.
• Maud Independent School District
• Lara E. May, O.D.
• Alison M Mayo, PT
• Kelli A Mayo, SLP
• Charles Chibundu Mbonu, MD
• Mary Mbonu
• Karen McAlexander, PHARM.D.
• Deena J McAllister, MS LPC
• Halle Mounts McBride

• Internal Medicine Physician in Texarkana, TX
• Providers in Texarkana, TX by specialty
• Internal Medicine Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 31, 2026; 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.