Mona Lisa Alattar, M.D.

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

P5768 Issued in TX

Practice address

925 Gessner Rd
Suite 600
Houston, TX 77024-2545

Phone

(713) 827-9525

Fax

(713) 468-3561

NPI assigned

Jun 19, 2012

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

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

Hematology/Oncology

Education

Other, 2008

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

American Oncology Partners PAGroup PAC ID 0042569758, 377 clinicians

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

Practice addresses (Care Compare)

Hospital & facility affiliations

• Memorial Hermann Memorial City Hospital Hospital, Houston, TX, CCN 450610
• Memorial Hermann Katy Hospital Hospital, Katy, TX, CCN 450847
• Houston Methodist West Hospital Hospital, Houston, TX, CCN 670077
• Memorial Hermann - Texas Medical Center Hospital, Houston, TX, CCN 450068
• Memorial Hermann Hospital System Hospital, Houston, TX, CCN 450184

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)

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 Medicine

Practice roles

Locations (25 of 27)

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
  • Cypress, TX
  • NPI 1811817356
  NPD (past)
• Memorial Rheumatology PA

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

  • Medical Oncology Physician
  • Pearland, TX
  • NPI 1912174350

  Hematology & Oncology

  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

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

  Hospital

  Care Compare affiliation
• Memorial Hermann Health System

  • Portable X-ray and/or Other Portable Diagnostic Imaging Supplier
  • Houston, TX
  • NPI 1437189115

  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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    "created_epoch": "1340064000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773792000000",
    "number": "1558624239",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 676638",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752676638"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "925 GESSNER RD",
            "address_2": "SUITE 600",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770242545",
            "telephone_number": "713-827-9525",
            "fax_number": "713-468-3561"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3333 Bayshore Blvd Ste 320",
            "address_purpose": "LOCATION",
            "city": "Pasadena",
            "state": "TX",
            "postal_code": "775041950",
            "country_code": "US",
            "telephone_number": "832-856-8965",
            "fax_number": "832-856-8966",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1920 Country Place Pkwy Ste 370",
            "address_purpose": "LOCATION",
            "city": "Pearland",
            "state": "TX",
            "postal_code": "775841962",
            "country_code": "US",
            "telephone_number": "832-333-1400",
            "fax_number": "832-333-1499",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "925 Gessner Rd Ste 650",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770242789",
            "country_code": "US",
            "telephone_number": "713-827-9525",
            "fax_number": "713-468-3561",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "27700 Northwest Freeway",
            "address_2": "Suite 400,425",
            "address_purpose": "LOCATION",
            "city": "Cypress",
            "state": "TX",
            "postal_code": "774336767",
            "country_code": "US",
            "telephone_number": "832-377-3260",
            "fax_number": "888-506-5887",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1631 North Loop W Ste 410",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770081530",
            "country_code": "US",
            "telephone_number": "713-802-9000",
            "fax_number": "713-802-2701",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "18955 N Memorial Dr Ste 530",
            "address_purpose": "LOCATION",
            "city": "Humble",
            "state": "TX",
            "postal_code": "773384269",
            "country_code": "US",
            "telephone_number": "346-362-1670",
            "fax_number": "346-362-1675",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "9150 Main St Ste A3",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770253848",
            "country_code": "US",
            "telephone_number": "713-630-8181",
            "fax_number": "713-838-9708",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "17520 W Grand Pkwy S Ste 460",
            "address_purpose": "LOCATION",
            "city": "Sugar Land",
            "state": "TX",
            "postal_code": "774794983",
            "country_code": "US",
            "telephone_number": "281-491-5511",
            "fax_number": "281-491-5513",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2555 Gulf Fwy S Ste 700",
            "address_purpose": "LOCATION",
            "city": "League City",
            "state": "TX",
            "postal_code": "775736742",
            "country_code": "US",
            "telephone_number": "832-827-8002",
            "fax_number": "832-827-8003",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "802 Enterprise Blvd Ste 808",
            "address_purpose": "LOCATION",
            "city": "Rockport",
            "state": "TX",
            "postal_code": "783824346",
            "country_code": "US",
            "telephone_number": "361-696-6000",
            "fax_number": "361-992-4120",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "13215 Dotson Rd Ste 340",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770704535",
            "country_code": "US",
            "telephone_number": "281-477-8600",
            "fax_number": "281-477-8577",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "23960 Katy Fwy Ste 325",
            "address_purpose": "LOCATION",
            "city": "Katy",
            "state": "TX",
            "postal_code": "774940886",
            "country_code": "US",
            "telephone_number": "281-578-0201",
            "fax_number": "281-578-0217",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "10405 Katy Fwy Ste 150E",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770241165",
            "country_code": "US",
            "telephone_number": "713-722-9660",
            "fax_number": "713-722-9664",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "10405 Katy Fwy Ste 120",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770241121",
            "country_code": "US",
            "telephone_number": "832-333-1474",
            "fax_number": "832-333-1475",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "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",
            "address_type": "DOM"
        },
        {
            "address_1": "11920 Astoria Blvd Ste 150",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770896097",
            "country_code": "US",
            "telephone_number": "281-481-6688",
            "fax_number": "281-481-0870",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "7789 Southwest Fwy Ste 460",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770741841",
            "country_code": "US",
            "telephone_number": "713-778-0300",
            "fax_number": "713-778-0303",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "7121 S. Padre Island Dr",
            "address_2": "Suite 102-101-119",
            "address_purpose": "LOCATION",
            "city": "Corpus Christi",
            "state": "TX",
            "postal_code": "784124938",
            "country_code": "US",
            "telephone_number": "361-696-6000",
            "fax_number": "361-992-4120",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ALATTAR",
        "first_name": "MONA LISA",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2012-06-19",
        "last_updated": "2026-03-18",
        "certification_date": "2026-03-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "TX",
            "license": "P5768",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Reina Isabel Alarcon, D.C.
• Alaric II
• Esther Ito Alasa, LPC
• Alasan Comfort Care, Inc.
• Mahran Alassaf
• Ibrahim Alava III, MD
• Gina Qulap Alavanza, CRNA
• Fatemeh Alavi Naini
• Mary M Alavi, M.D.
• Michael Alavi, DO

• Hematology & Oncology Physician in Houston, TX
• Providers in Houston, 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 18, 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.