Individual provider Active NPI

Sowmya Mariam John, PA-C

  • Surgical Physician Assistant
  • Houston, TX
National Provider Identifier
1710254743
Registry record updated Nov 13, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgical Physician AssistantTaxonomy code 363AS0400X
License
PA213049 Issued in OR
Practice address
1502 Taub Loop
Houston, TX 77030-1608
Phone
(713) 873-8890
NPI assigned
Nov 18, 2011
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 13, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X TX
Surgical Physician Assistant 363AS0400X PA213049 OR Primary

Addresses

Primary practice location

1502 Taub Loop
Houston, TX 77030-1608

Mailing address

1977 Butler Blvd Ste E5.200
Houston, TX 77030-4101
Phone (713) 873-2000

Other practice location 1

1977 Butler Blvd
Houston, TX 77030-4101
Phone (713) 798-5841 ext. 86100

Other identifiers 2

IdentifierTypeStateIssuer
2257109MedicaidWA
500825015MedicaidOR

Other names 1

  • Sowmya Mariam Oommen Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX, OR2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20120412000236 TX Practitioner - Physician Assistant 8426219874 Reassigns benefits to 3 organizations
I20230911003359 OR Practitioner - Physician Assistant 8426219874 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2011
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Baylor College of MedicineGroup PAC ID 8224941265, 796 clinicians

Practice addresses (Care Compare)

1502 Taub Loop
Houston, TX 77030-1608
Phone (713) 873-4900

1504 Taub Loop
Houston, TX 77030-1608
Phone (713) 873-2000

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
PA213049ORMDSurgical Physician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Baylor College of Medicine CurrentSince Nov 1, 2025 Accepting new patients
The Oregon Clinic, PC CurrentSince Sep 1, 2023 Accepting new patients
Baylor College of Medicine CurrentSince Nov 1, 2025 Accepting new patients
TMH Physician Associates PLLC CurrentSince Feb 1, 2021 Accepting new patients
Baylor College of Medicine CurrentSince Jan 23, 2012 Accepting new patients
Baylor College of Medicine CurrentSince Jan 23, 2012 Accepting new patients
TMH Physician Associates PLLC CurrentSince Feb 1, 2021 Accepting new patients
Baylor College of Medicine Past Accepting new patients

Locations

5050 NE Hoyt St
Ste 655
Portland, OR 97213
Phone (503) 239-6673

2222 NW Lovejoy St
Ste 622
Portland, OR 97210
Phone (503) 229-8455

541 NE 20th Ave
Ste 225
Portland, OR 97232
Phone (503) 963-2801

1504 Taub Loop
Houston, TX 77030
Phone (713) 873-2860

1977 Butler Blvd
Ste E5200
Houston, TX 77030
Phone (713) 798-5900

1502 Taub Loop
Houston, TX 77030
Phone (713) 873-4900

6620 Main St
Fl 13
Houston, TX 77030
Phone (713) 986-5590

6620 Main St
Houston, TX 77030
Phone (713) 520-8432

1977 Butler Blvd
Houston, TX 77030
Phone (713) 798-4857

7200 Cambridge St
Fl 1
Houston, TX 77030
Phone (713) 798-3924

1504 Taub Loop
#285
Houston, TX 77030
Phone (713) 873-2626

16605 Southwest Fwy
Ste 400
Sugar Land, TX 77479
Phone (281) 275-0800

17450 St Lukes Way
Ste 340
The Woodlands, TX 77384
Phone (936) 266-2645

Interoperability endpoints

  • Direct secure messaging: soommen362139@directhoustonmethodist.org

Organizations & group practices 9

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.

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": "1321574400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762992000000",
    "number": "1710254743",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1977 BUTLER BLVD STE E5.200",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770304101",
            "telephone_number": "713-873-2000",
            "fax_number": "713-798-5841"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1502 TAUB LOOP",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770301608",
            "telephone_number": "713-873-8890"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1977 Butler Blvd",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770304101",
            "country_code": "US",
            "telephone_number": "713-798-5841 x86100",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "JOHN",
        "first_name": "SOWMYA",
        "middle_name": "MARIAM",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2011-11-18",
        "last_updated": "2025-11-13",
        "certification_date": "2025-11-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "TX",
            "license": null,
            "primary": false
        },
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "OR",
            "license": "PA213049",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2257109",
            "state": "WA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "500825015",
            "state": "OR"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "SOWMYA",
            "last_name": "OOMMEN",
            "middle_name": "MARIAM",
            "credential": "PA-C",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Houston, TX

Sources for this page

Verify at the official NPI Registry.