NPIMap

Individual provider Active NPI

Steven Eugene Walker, MD

  • Internal Medicine Physician
  • San Antonio, TX
National Provider Identifier
1649465584
Registry record updated Dec 1, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
M7735 Issued in TX
Practice address
300 E Sonterra Blvd
San Antonio, TX 78258-3971
Phone
(855) 425-1055
NPI assigned
Sep 13, 2007
Last updated
Dec 1, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 1, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X M7735 TX Primary
Hospitalist Physician 208M00000X M7735 TX
Hospice and Palliative Medicine (Internal Medicine) Physician 207RH0002X M7735 TX

Addresses

Primary practice location

300 E Sonterra Blvd
San Antonio, TX 78258-3971

Mailing address

13619 Leon Springs LN
Cypress, TX 77429-6016
Phone (832) 253-5823

Other practice location 1

767 Eustis St Ste 150
Saint Paul, MN 55114-0019
Phone (612) 721-2491

Other practice location 2

1040 Schlipf Rd # 126
Katy, TX 77493-6571
Phone (281) 410-1203

Other practice location 3

9191 Sheridan Blvd Ste 103
Westminster, CO 80031-3023
Phone (720) 504-1309

Other practice location 4

2629 Waterfront Parkway East Dr Ste 375
Indianapolis, IN 46214-2026
Phone (866) 400-9692

Other practice location 5

3400 188th St SW Ste 214
Lynnwood, WA 98037-4792
Phone (425) 336-4934

Other practice location 6

6500 S MacAdam Ave Ste 160
Portland, OR 97239-3566
Phone (866) 238-8010

Other practice location 7

4065 St Cloud Dr Unit 200
Loveland, CO 80538-9233
Phone (970) 717-6033

Other identifiers 6

IdentifierTypeStateIssuer
61475909OtherWAPHYSICIAN LICENSE
01091951AOtherINPHYSICIAN LICENSE
M7735OtherTXTSMBE
74748OtherMNPHYSICIAN LICENSE
DR.0072034OtherCOPHYSICIAN LICENSE
MD217350OtherORPHYSICIAN LICENSE

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX, MN, IN, WA, OR, WI, CO7 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 7

Enrollment IDStateProvider typePAC IDDetails
I20071231000567 TX Practitioner - Internal MedicinePractitioner - Pediatric MedicinePractitioner - Hospitalist 7416037585 Reassigns benefits to 4 organizations
I20250708000842 MN Practitioner - Internal Medicine 7416037585
I20250829000836 IN Practitioner - Internal Medicine 7416037585 Reassigns benefits to 1 organization
I20251031002475 WA Practitioner - Internal Medicine 7416037585
I20251031003808 OR Practitioner - Internal Medicine 7416037585 Reassigns benefits to 1 organization
I20251231000105 WI Practitioner - Internal Medicine 7416037585 Reassigns benefits to 1 organization
I20251231000300 CO Practitioner - Internal Medicine 7416037585 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Pediatric Medicine
Education
Other, 2003
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Seasons Medical Group of Texas PLLCGroup PAC ID 2264744507, 4 clinicians
Memorial Hermann Medical GroupGroup PAC ID 7012008360, 760 clinicians

Practice addresses (Care Compare)

17855 Dallas Pkwy
Suite 300a
Dallas, TX 75287-6857
Phone (817) 887-0017

455 School St
Suite 30
Tomball, TX 77375-4595
Phone (281) 357-0747

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

921 Gessner Rd
Houston, TX 77024-2501

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Memorial Hermann Medical Group Internal Medicine CurrentSince Sep 9, 2019 Accepting new patients
Ipc Healthcare Services of Texas, PLLC Internal Medicine CurrentSince Apr 1, 2017 Accepting new patients
Seasons Hospice & Palliative Care of Texas, Inc CurrentSince Oct 17, 2025 Accepting new patients
Tomagwa Ministries, Inc CurrentSince Jan 10, 2026 Accepting new patients
Seasons Medical Group of Texas, PLLC Hospice and Palliative Medicine CurrentSince Oct 17, 2025 Accepting new patients
Accentcare Medical Group of Wisconsin, S.C. CurrentSince Oct 17, 2025 Accepting new patients
Accentcare Medical Group of Minnesota, PC Hospice and Palliative Medicine CurrentSince May 27, 2025 Accepting new patients
Seasons Hospice & Palliative Care of Wisconsin, LLC CurrentSince Dec 7, 2025 Accepting new patients
Tomagwa Ministries, Inc CurrentSince Jan 10, 2026 Accepting new patients
Seasons Medical Group of Oregon PC CurrentSince Sep 17, 2025 Accepting new patients
Seasons Medical Group of Colorado, PC CurrentSince Oct 17, 2025 Accepting new patients
Seasons Hospice & Palliative Care of Oregon, LLC CurrentSince Sep 17, 2025 Accepting new patients
Seasons Hospice & Palliative Care of Indiana, LLC CurrentSince Jun 24, 2025 Accepting new patients
Accentcare Medical Group of Washington, PC Hospice and Palliative Medicine CurrentSince Sep 17, 2025 Accepting new patients
Seasons Medical Group of Indiana, PC Hospice and Palliative Medicine CurrentSince Jun 24, 2025 Accepting new patients
Seasons Hospice & Palliative Care of Colorado LLC PastSince Oct 17, 2025 Accepting new patients

Locations

9191 Sheridan Blvd
Ste 103
Westminster, CO 80031
Phone (303) 428-3107

2629 Waterfront Parkway East Dr
Ste 375
Indianapolis, IN 46214
Phone (317) 885-4200

6640 Intech Blvd
Ste 270
Indianapolis, IN 46278
Phone (317) 885-4200

767 Eustis St
Ste 150
Saint Paul, MN 55114
Phone (612) 721-2491

6500 S Macadam Ave
Ste 160
Portland, OR 97239
Phone (503) 265-6600

17855 Dallas Pkwy
Ste 200
Dallas, TX 75287
Phone (972) 201-3800

17855 Dallas Pkwy
Ste 300A
Dallas, TX 75287
Phone (817) 887-0017

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

1635 North Loop W
Houston, TX 77008
Phone (713) 867-2066

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

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

11800 Astoria Blvd
Pearland, TX 77089
Phone (281) 929-6100

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

111 Dallas St
San Antonio, TX 78205
Phone (210) 297-7000

7700 Floyd Curl Dr
San Antonio, TX 78229
Phone (210) 575-5564

455 School St
Ste 30
Tomball, TX 77375
Phone (281) 357-0747

15 S Grady Way
Ste 433
Renton, WA 98057
Phone (425) 214-7027

6737 W Washington St
Ste 2150
West Allis, WI 53214
Phone (414) 203-8310

Interoperability endpoints

  • Direct secure messaging: steven.walker.1@15235.direct.athenahealth.com
  • Direct secure messaging: stewalker@landmarkhealth-direct.org

Ownership & related parties

All facility ownership & control disclosures 2

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

FacilityTypeRoleSince
Accentcare Hospice & Palliative Care of Texas -San AntonioSan Antonio, TX, CCN 671721 Hospice Contracted Managing Employee Aug 7, 2023
Preserve Hospice and Palliative Care LLCKaty, TX, CCN A91772 Hospice Contracted Managing Employee Jul 31, 2025

Owned or controlled facilities with NPI records 2

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

Organizations & group practices 16

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 16

Hospital & facility affiliations 13

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

View all 13

NPI Registry JSON

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

{
    "created_epoch": "1189641600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764547200000",
    "number": "1649465584",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "13619 LEON SPRINGS LN",
            "city": "CYPRESS",
            "state": "TX",
            "postal_code": "774296016",
            "telephone_number": "832-253-5823"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 E SONTERRA BLVD",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782583971",
            "telephone_number": "855-425-1055"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "767 Eustis St Ste 150",
            "address_purpose": "LOCATION",
            "city": "Saint Paul",
            "state": "MN",
            "postal_code": "551140019",
            "country_code": "US",
            "telephone_number": "612-721-2491",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1040 Schlipf Rd # 126",
            "address_purpose": "LOCATION",
            "city": "Katy",
            "state": "TX",
            "postal_code": "774936571",
            "country_code": "US",
            "telephone_number": "281-410-1203",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "9191 Sheridan Blvd Ste 103",
            "address_purpose": "LOCATION",
            "city": "Westminster",
            "state": "CO",
            "postal_code": "800313023",
            "country_code": "US",
            "telephone_number": "720-504-1309",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2629 Waterfront Parkway East Dr Ste 375",
            "address_purpose": "LOCATION",
            "city": "Indianapolis",
            "state": "IN",
            "postal_code": "462142026",
            "country_code": "US",
            "telephone_number": "866-400-9692",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3400 188th St SW Ste 214",
            "address_purpose": "LOCATION",
            "city": "Lynnwood",
            "state": "WA",
            "postal_code": "980374792",
            "country_code": "US",
            "telephone_number": "425-336-4934",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6500 S MacAdam Ave Ste 160",
            "address_purpose": "LOCATION",
            "city": "Portland",
            "state": "OR",
            "postal_code": "972393566",
            "country_code": "US",
            "telephone_number": "866-238-8010",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4065 St Cloud Dr Unit 200",
            "address_purpose": "LOCATION",
            "city": "Loveland",
            "state": "CO",
            "postal_code": "805389233",
            "country_code": "US",
            "telephone_number": "970-717-6033",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WALKER",
        "first_name": "STEVEN",
        "middle_name": "EUGENE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-09-13",
        "last_updated": "2025-12-01",
        "certification_date": "2025-12-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "M7735",
            "primary": true
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "TX",
            "license": "M7735",
            "primary": false
        },
        {
            "code": "207RH0002X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hospice and Palliative Medicine",
            "state": "TX",
            "license": "M7735",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PHYSICIAN LICENSE",
            "identifier": "61475909",
            "state": "WA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PHYSICIAN LICENSE",
            "identifier": "01091951A",
            "state": "IN"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TSMBE",
            "identifier": "M7735",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PHYSICIAN LICENSE",
            "identifier": "74748",
            "state": "MN"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PHYSICIAN LICENSE",
            "identifier": "DR.0072034",
            "state": "CO"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PHYSICIAN LICENSE",
            "identifier": "MD217350",
            "state": "OR"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in San Antonio, TX

Sources for this page

Verify at the official NPI Registry.