Individual provider Active NPI

Nathaniel L Barnes, M.D.

  • Urology Physician
  • Webster, TX
National Provider Identifier
1033119516
Registry record updated Aug 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Urology PhysicianTaxonomy code 208800000X
License
K5799 Issued in TX
Practice address
250 Blossom St
Suite 220
Webster, TX 77598-4204
Phone
(281) 332-0202
Fax
(281) 332-0202
NPI assigned
Jul 27, 2005
Last updated
Aug 13, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Urology Physician 208800000X K5799 TX Primary

Addresses

Primary practice location

250 Blossom St
Suite 220
Webster, TX 77598-4204

Mailing address

930 Frostwood Dr Ste 2.200
Houston, TX 77024-2450

Other identifiers 1

IdentifierTypeStateIssuer
044063801MedicaidTX

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address NATHANIEL.BARNES@DIRECT.MEMORIALHERMANN.ORG

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
I20100921001462 TX Practitioner - Urology 4587670583 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Urology
Education
Harvard Medical School, 1989
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Memorial Hermann Medical GroupGroup PAC ID 7012008360, 760 clinicians

Practice addresses (Care Compare)

10907 Memorial Hermann Dr
Suite 390
Pearland, TX 77584-4115
Phone (731) 434-4300

11800 Astoria Blvd
Houston, TX 77089-6041
Phone (281) 929-6259

11914 Astoria Blvd
Suite 520
Houston, TX 77089-6050
Phone (281) 481-2804

16100 S Fwy
Pearland, TX 77584-1895
Phone (713) 413-6941

16100 S Fwy N3 172
Pearland, TX 77584-1895
Phone (713) 413-5738

250 Blossom St
Suite 220
Webster, TX 77598-4243
Phone (281) 332-0202

3203 Broadway St
Pearland, TX 77581-1414
Phone (281) 485-8876

915 Gessner Rd
Suite 100
Houston, TX 77024-2537
Phone (713) 242-2222

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Upper gastrointestinal (GI) endoscopy for acid reflux1-10

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Memorial Hermann Medical Group Urology CurrentSince Nov 5, 2018 Accepting new patients

Locations

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

11914 Astoria Blvd
Ste 520
Houston, TX 77089
Phone (281) 332-0202

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

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

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

930 Frostwood Dr
Ste 2200
Houston, TX 77024

3203 Broadway St
Pearland, TX 77581
Phone (281) 485-8876

250 Blossom St
Ste 220
Webster, TX 77598
Phone (281) 332-0202

Interoperability endpoints

  • Direct secure messaging: nathaniel.barnes@direct.memorialhermann.org
  • Direct secure messaging: nbarnes65331@memorialhermann.direct-ci.com

Organizations & group practices 2

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.

Hospital & facility affiliations 7

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": "1122422400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786579200000",
    "number": "1033119516",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "930 FROSTWOOD DR STE 2.200",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770242450"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "250 BLOSSOM ST",
            "address_2": "SUITE 220",
            "city": "WEBSTER",
            "state": "TX",
            "postal_code": "775984204",
            "telephone_number": "281-332-0202",
            "fax_number": "281-332-0202"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BARNES",
        "first_name": "NATHANIEL",
        "middle_name": "L",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-27",
        "last_updated": "2026-08-13",
        "certification_date": "2026-08-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "TX",
            "license": "K5799",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "044063801",
            "state": "TX"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "NATHANIEL.BARNES@DIRECT.MEMORIALHERMANN.ORG",
            "affiliation": "N",
            "address_1": "250 Blossom St",
            "address_2": "SUITE 220",
            "city": "Webster",
            "state": "TX",
            "country_code": "US",
            "postal_code": "775984204",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Webster, TX

Sources for this page

Verify at the official NPI Registry.