Individual provider Active NPI

James Michael Neff, M.D.

  • Internal Medicine Physician
  • Corpus Christi, TX
National Provider Identifier
1013992015
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
G2795 Issued in TX
Practice address
7121 S Padre Island Dr
Corpus Christi, TX 78412-4940
Phone
(361) 696-6200
Fax
(361) 696-6054
NPI assigned
Dec 13, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X G2795 TX Primary

Addresses

Primary practice location

7121 S Padre Island Dr
Corpus Christi, TX 78412-4940

Mailing address

PO Box 6409
Corpus Christi, TX 78466-6409
Phone (361) 696-6200

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
I20100209000771 TX Practitioner - Internal Medicine 0446359665 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
University of Texas Southwestern Medical School at Dallas, 1979
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Shea Physical Therapy Specialists LLCGroup PAC ID 6204245194, 194 clinicians
Christus Trinity Clinic TexasGroup PAC ID 3072426741, 1,540 clinicians

Practice addresses (Care Compare)

5440 Everhart Rd
Suite 1
Corpus Christi, TX 78411-4838
Phone (361) 994-5224

5802 Saratoga Blvd
Suite 150
Corpus Christi, TX 78414-4254
Phone (361) 986-4600

620 S Fleishel Ave
Christus Trinity Clinic
Tyler, TX 75701-2041
Phone (903) 606-4900

630 S Fleishel Ave
Tyler, TX 75701-2041
Phone (903) 606-5560

PO Box
Suite 846098
Dallas, TX 75284-6098

Hospital & facility affiliations

  • Angel Bright Home Health Inc Home health agency, Corpus Christi, TX, CCN 679294
  • Christus Homecare Spohn Home health agency, Corpus Christi, TX, CCN 677814
  • Enhabit Home Health Home health agency, Corpus Christi, TX, CCN 679302
  • Christus Spohn Hospital Corpus Christi Hospital, Corpus Christi, TX, CCN 450046
  • Corpus Christi Medical Center,the Hospital, Corpus Christi, TX, CCN 450788

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of skin lesions1-10

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Christus Trinity Clinic Texas Internal Medicine CurrentSince May 1, 2021 Accepting new patients
Christus Trinity Clinic Texas CurrentSince May 1, 2021 Accepting new patients
Thomas-Spann Clinic, P.a. Past Accepting new patients
Citizens Medical Center County of Victoria Past Accepting new patients

Locations

7121 Spid Dr
Ste 300
Corpus Christi, TX 78412
Phone (361) 696-6200

7121 Spid Dr
Corpus Christi, TX 78412
Phone (361) 696-6200

5802 Saratoga Blvd
Ste 200
Corpus Christi, TX 78414
Phone (361) 696-6200

630 S Fleishel Ave
Tyler, TX 75701
Phone (903) 510-8888

Interoperability endpoints

  • Direct secure messaging: jneff265152@christushealth.direct-ci.net

Organizations & group practices 5

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 5

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": "1134432000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1013992015",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 6409",
            "city": "CORPUS CHRISTI",
            "state": "TX",
            "postal_code": "784666409",
            "telephone_number": "361-696-6200",
            "fax_number": "361-696-6054"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7121 S PADRE ISLAND DR",
            "city": "CORPUS CHRISTI",
            "state": "TX",
            "postal_code": "784124940",
            "telephone_number": "361-696-6200",
            "fax_number": "361-696-6054"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NEFF",
        "first_name": "JAMES",
        "middle_name": "MICHAEL",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-13",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "G2795",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Corpus Christi, TX

Sources for this page

Verify at the official NPI Registry.