Individual provider Active NPI

Marcus Lavelle Harris, M.D.

  • Hospitalist Physician
  • Houston, TX
National Provider Identifier
1982837464
Registry record updated Jun 8, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
P3341 Issued in TX
Practice address
10701 Vintage Preserve Parkway
982055 Nebraska Medical Center
Houston, TX 77070-2126
Phone
(713) 442-1500
NPI assigned
Aug 31, 2009
Last updated
Jun 8, 2021By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 8, 2021

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X P3341 TX
Hospitalist Physician 208M00000X P3341 TX Primary

Addresses

Primary practice location

10701 Vintage Preserve Parkway
982055 Nebraska Medical Center
Houston, TX 77070-2126

Mailing address

11511 Shadow Creek Parkway
Pearland, TX 77584-7298
Phone (713) 442-0000

Other identifiers 3

IdentifierTypeStateIssuer
312182409MedicaidTX
312182408MedicaidTX
312182410MedicaidTX

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address mharris22777@direct.kelsey-seybold.com Direct
FHIR URL https://ssrx.ksnet.com/FhirProxy/api/FHIR/DSTU2/ Health Information Exchange (HIE)

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20120815000227 TX Practitioner - HospitalistPractitioner - Internal MedicinePractitioner - Emergency Medicine 8527214139 Reassigns benefits to 12 organizations

Care Compare profile

Medicare Care Compare
Specialty
HospitalistAlso: Internal Medicine
Education
University of Nebraska College of Medicine, 2009
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
TMC Provider Group PLLCGroup PAC ID 6305149121, 213 clinicians
Kelsey-Seybold Medical Group, PLLCGroup PAC ID 9739093527, 941 clinicians

Practice addresses (Care Compare)

25118 Grogans Mill Rd
Spring, TX 77380-4346
Phone (346) 533-1838

2515 Business Ctr Dr
Pearland, TX 77584-2294
Phone (713) 442-7200

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
P3341TXMDHospitalist Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Memorial Hermann Medical Group Internal Medicine CurrentSince Oct 24, 2021 Accepting new patients
Kelsey-Seybold Medical Group, PLLC Internal Medicine CurrentSince Jul 24, 2017 Accepting new patients
Ipc Healthcare Services of Texas, PLLC Internal Medicine CurrentSince May 1, 2020 Accepting new patients
Ut Physicians Internal Medicine CurrentSince Aug 5, 2013 Accepting new patients
TMC Provider Group PLLC CurrentSince May 3, 2025 Accepting new patients
TMC Provider Group PLLC CurrentSince May 3, 2025 Accepting new patients
Hni Hospital Services of Texas, Inc Internal Medicine CurrentSince Dec 1, 2020 Accepting new patients
Ut Physicians CurrentSince Aug 5, 2013 Accepting new patients
Doctors Urgent Care LLC CurrentSince Jul 19, 2023 Accepting new patients
Lonestar Hospital Medicine Associates, PA Internal Medicine CurrentSince Nov 1, 2015 Accepting new patients
Hni Physician Services of Texas, Inc Internal Medicine CurrentSince Jan 15, 2022 Accepting new patients
Hospitalist Medicine Physicians of Texas, PLLC Internal Medicine CurrentSince Aug 17, 2018 Accepting new patients
Conroe Doctors Urgent Care LLC CurrentSince Jul 19, 2023 Accepting new patients
Hospital Medicine Services of TX, PLLC Hospitalist CurrentSince Aug 1, 2023 Accepting new patients

Locations (25 of 35)

9900 S Interstate 35
Austin, TX 78748
Phone (512) 291-5577

17002 Gleneagle Dr S
Conroe, TX 77385
Phone (832) 447-7123

21214 Northwest Fwy
Cypress, TX 77429
Phone (832) 912-3500

27800 NW Freeway
Cypress, TX 77433
Phone (346) 231-4000

1505 E Winding Way Dr
Ste 200
Friendswood, TX 77546
Phone (713) 366-7800

10655 Steepletop Dr
Houston, TX 77065
Phone (281) 890-4285

10701 Vintage Preserve Pkwy
Houston, TX 77070
Phone (713) 442-1500

12141 Richmond Ave
Houston, TX 77082
Phone (281) 558-3444

1313 Hermann Dr
Houston, TX 77004
Phone (713) 527-5000

1401 St Joseph Pkwy
Houston, TX 77002
Phone (713) 575-1000

1801 North Loop W
Ste 30
Houston, TX 77008
Phone (713) 802-9781

18220 Tomball Pkwy
Houston, TX 77070
Phone (281) 477-0000

2727 W Holcombe Blvd
Houston, TX 77025
Phone (713) 790-9412

6410 Fannin St
Ste 500
Houston, TX 77030
Phone (713) 500-5714

6411 Fannin St
Houston, TX 77030
Phone (713) 500-6200

710 FM 1960 Rd W
Houston, TX 77090
Phone (281) 440-1000

7514 Kingsley St
Houston, TX 77087
Phone (713) 644-8393

7600 Beechnut St
Houston, TX 77074
Phone (713) 456-5000

909 Frostwood Dr
Ste 1100
Houston, TX 77024
Phone (713) 338-4523

915 Gessner Rd
Ste 100
Houston, TX 77024
Phone (713) 242-2222

18951 N Memorial Dr
Humble, TX 77338
Phone (281) 319-8409

10700 McPherson Rd
Laredo, TX 78045
Phone (956) 523-2190

7010 Highway 6
Missouri City, TX 77459
Phone (713) 442-4200

11100 Shadow Creek Pkwy
Pearland, TX 77584
Phone (713) 770-7000

11511 Shadow Creek Pkwy
Pearland, TX 77584
Phone (713) 442-4997

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/25054/brand/1/csg/1/fhir/r4
  • FHIR API: https://fhir.meditouchehr.com/api/fhir/r4/
  • Direct secure messaging: mharris22777@direct.kelsey-seybold.com

Organizations & group practices 14

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

View all 14

Hospital & facility affiliations 1

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

NPI Registry JSON

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

{
    "created_epoch": "1251676800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1623110400000",
    "number": "1982837464",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11511 SHADOW CREEK PARKWAY",
            "city": "PEARLAND",
            "state": "TX",
            "postal_code": "775847298",
            "telephone_number": "713-442-0000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10701 VINTAGE PRESERVE PARKWAY",
            "address_2": "982055 NEBRASKA MEDICAL CENTER",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770702126",
            "telephone_number": "713-442-1500"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HARRIS",
        "first_name": "MARCUS",
        "middle_name": "LAVELLE",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-08-31",
        "last_updated": "2021-06-08",
        "certification_date": "2021-06-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "P3341",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "TX",
            "license": "P3341",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "312182409",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "312182408",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "312182410",
            "state": "TX"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mharris22777@direct.kelsey-seybold.com",
            "affiliation": "N",
            "endpointDescription": "digital contact information",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "10701 Vintage Preserve Parkway",
            "address_2": "982055 Nebraska Medical Center",
            "city": "Houston",
            "state": "TX",
            "country_code": "US",
            "postal_code": "770702126",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://ssrx.ksnet.com/FhirProxy/api/FHIR/DSTU2/",
            "affiliation": "N",
            "endpointDescription": "FHIR endpoint URL",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "10701 Vintage Preserve Parkway",
            "address_2": "982055 Nebraska Medical Center",
            "city": "Houston",
            "state": "TX",
            "country_code": "US",
            "postal_code": "770702126",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Houston, TX

Sources for this page

Verify at the official NPI Registry.