William S Velasquez, M. D.

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

E8218 Issued in TX

Practice address

7121 S Padre Island Dr
Suite 102-101,119
Corpus Christi, TX 78412-4938

Phone

(361) 696-6000

Fax

(361) 992-4120

NPI assigned

Mar 31, 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 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

Specialty

Medical OncologyAlso: Hematology, Internal Medicine

Education

Other, 1968

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Oncology Consultants, P. a.Group PAC ID 8325936081, 34 clinicians

American Oncology Partners PAGroup PAC ID 0042569758, 377 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Memorial Hermann Hospital System Hospital, Houston, TX, CCN 450184
• Memorial Hermann Sugar Land Hospital Hospital, Sugar Land, TX, CCN 450848
• Houston Methodist Sugarland Hospital Hospital, Sugar Land, TX, CCN 450820
• Memorial Hermann Memorial City Hospital Hospital, Houston, TX, CCN 450610
• Oakbend Medical Center Hospital, Richmond, TX, CCN 450330

Merit-based Incentive Payment System (MIPS)

Final score

83.27 of 100Reported as group

Quality

71.78

Promoting interoperability

97

Improvement activities

40

Cost

66.81

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations (25 of 27)

Interoperability endpoints

• Direct secure messaging: wvelasquez78906@directhoustonmethodist.org

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.

• Oncology Consultants, P. a.

  • Hematology & Oncology Physician
  • Houston, TX
  • NPI 1679533418
  Medicare reassignment Care Compare group NPD
• American Oncology Partners PA

  • Hematology & Oncology Physician
  • Columbus, OH
  • NPI 1265929723

  TX

  Medicare reassignment Care Compare group NPD
• Oncology Consultants, P. a.

  • Hematology & Oncology Physician
  • Pearland, TX
  • NPI 1174989859
  NPD
• Oncology Consultants, P. a.

  • Hematology & Oncology Physician
  • Sugar Land, TX
  • NPI 1386847663
  NPD
• American Oncology Partners, P.a.

  • Hematology & Oncology Physician
  • Corpus Christi, TX
  • NPI 1154241685
  NPD (past)
• American Oncology Partners, P.a.

  • Hematology & Oncology Physician
  • Houston, TX
  • NPI 1346160777
  NPD (past)
• American Oncology Partners, P.a.

  • Hematology & Oncology Physician
  • Cypress, TX
  • NPI 1811817356
  NPD (past)
• Memorial Rheumatology PA

  • Rheumatology Physician
  • Houston, TX
  • NPI 1154699049
  NPD (past)

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

• Memorial Hermann Health System

  • Radiology Clinic/Center
  • Houston, TX
  • NPI 1013948553

  Hospital

  Care Compare affiliation
• Memorial Hermann Health System

  • Physiological Laboratory
  • Houston, TX
  • NPI 1154595155

  Hospital

  Care Compare affiliation
• Memorial Hermann Health System

  • Radiology Clinic/Center
  • The Woodlands, TX
  • NPI 1275564858

  Hospital

  Care Compare affiliation
• Memorial Hermann Health System

  • Physiological Laboratory
  • Houston, TX
  • NPI 1275568032

  Hospital

  Care Compare affiliation
• Memorial Hermann Health System

  • General Acute Care Hospital
  • Sugar Land, TX
  • NPI 1295788735
  Care Compare affiliation
• Memorial Hermann Health System

  • Radiology Clinic/Center
  • Houston, TX
  • NPI 1407959448

  Hospital

  Care Compare affiliation
• Memorial Hermann Health System

  • Physiological Laboratory
  • Pasadena, TX
  • NPI 1437323482

  Hospital

  Care Compare affiliation
• Memorial Hermann Health System

  • Radiology Clinic/Center
  • Friendswood, TX
  • NPI 1508896267

  Hospital

  Care Compare affiliation
• Memorial Hermann Health System

  • Physiological Laboratory
  • Houston, TX
  • NPI 1588838593

  Hospital

  Care Compare affiliation
• Memorial Hermann Health System

  • Physiological Laboratory
  • Houston, TX
  • NPI 1639343635

  Hospital

  Care Compare affiliation
• Memorial Hermann Health System

  • Radiology Clinic/Center
  • Pearland, TX
  • NPI 1669402335

  Hospital

  Care Compare affiliation
• Memorial Hermann Health System

  • General Acute Care Hospital
  • Houston, TX
  • NPI 1730132234
  Care Compare affiliation

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

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            "address_1": "2555 Gulf Fwy S Ste 700",
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            "address_1": "1631 North Loop W Ste 410",
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        {
            "address_1": "27700 Northwest Freeway",
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            "address_1": "7737 Southwest Fwy",
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            "state": "TX",
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        {
            "address_1": "13215 Dotson Rd Ste 340",
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            "state": "TX",
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            "address_1": "17520 W Grand Pkwy S Ste 460",
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            "country_code": "US",
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            "fax_number": "281-491-5513",
            "country_name": "United States",
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        {
            "address_1": "2130 W Holcombe Blvd Fl 10",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770303306",
            "country_code": "US",
            "telephone_number": "713-600-0900",
            "fax_number": "713-600-0070",
            "country_name": "United States",
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            "address_1": "9150 Main St Ste A3",
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            "address_1": "802 Enterprise Blvd Ste 808",
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            "address_1": "10405 Katy Fwy Ste 150E",
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            "postal_code": "770241165",
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            "telephone_number": "713-722-9660",
            "fax_number": "713-722-9664",
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        },
        {
            "address_1": "3333 Bayshore Blvd Ste 320",
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            "city": "Pasadena",
            "state": "TX",
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            "country_code": "US",
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    ],
    "basic": {
        "last_name": "VELASQUEZ",
        "first_name": "WILLIAM",
        "middle_name": "S",
        "credential": "M. D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-31",
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        {
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            "code": "05",
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            "state": "TX"
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        },
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            "code": "01",
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            "issuer": "BLUE LINK",
            "identifier": "2322957",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "116202608",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
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            "code": "05",
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            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "5592436",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "4653339",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MHHNP",
            "identifier": "000299",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Xinh T Vela, M.D.
• Sarojini Kala Velamasetti, MD
• Natalie Velasquez Maldonado
• Genesis R Velasquez
• Jonathan Jesse Velasquez, LVN
• Audriana Nicole Velazquez
• Nelson Leonardo Velazquez
• Wilson Luis Velazquez, MD
• Hector Roel Veliz
• Marina Alexis Veloz

• Hematology & Oncology Physician in Corpus Christi, TX
• Providers in Corpus Christi, TX by specialty
• Hematology & Oncology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 26, 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.