Carl Peter Walther, M.D.

Primary specialty

Nephrology PhysicianTaxonomy code 207RN0300X

License

P2557 Issued in TX

Practice address

2525A Holly Hall St
Houston, TX 77054-4124

Phone

(713) 526-4243

NPI assigned

Nov 6, 2009

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

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

Specialty

NephrologyAlso: Internal Medicine

Education

Baylor College of Medicine, 2009

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)

Hospital & facility affiliations

• Harris Health Hospital, Houston, TX, CCN 450289

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Baylor College of Medicine

  • Family Medicine Physician
  • Houston, TX
  • NPI 1053352914
  Medicare reassignment Care Compare group NPD
• Baylor College of Medicine

  • Ph.D. Medical Genetics
  • Houston, TX
  • NPI 1881026664

  Internal Medicine

  Medicare reassignment NPD
• Baylor College of Medicine

  • Internal Medicine Physician
  • Houston, TX
  • NPI 1104867175
  NPD
• Baylor College of Medicine

  • Orthopaedic Surgery Physician
  • Sugar Land, TX
  • NPI 1700683844
  NPD
• Baylor College of Medicine

  • Neurological Surgery Physician
  • Houston, TX
  • NPI 1730132721
  NPD (past)

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

• Harris County Hospital District

  • General Acute Care Hospital
  • Houston, TX
  • NPI 1205900370
  Care Compare affiliation

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

{
    "created_epoch": "1257465600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1743724800000",
    "number": "1356678684",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6620 MAIN ST STE 11B.38",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770302348",
            "telephone_number": "713-798-2500"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2525A HOLLY HALL ST",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770544124",
            "telephone_number": "713-526-4243"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "6431 Fannin St",
            "address_2": "Suite 5.134",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770301501",
            "country_code": "US",
            "telephone_number": "713-500-6868",
            "fax_number": "713-500-6882",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WALTHER",
        "first_name": "CARL",
        "middle_name": "PETER",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-11-06",
        "last_updated": "2025-04-04",
        "certification_date": "2025-04-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "P2557",
            "primary": false
        },
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "TX",
            "license": "P2557",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "336291503",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Kelley Walters, LPC
• Barrett Pierre Walters, LPC, NCC, Edm, Ma, LPCA, NCC
• Nicole Mason Walters, CRNA
• Ronald S Walters, M.D.
• Alia Danielle Walthall
• Michael Carl Walther Jr., D.C.
• Rachel Marie Walther
• Adrienne Kilgore Walton, MD
• Claudia Alma Walton, R.PH.
• Harold Jose Walton, M.D.

• Nephrology Physician in Houston, TX
• Providers in Houston, TX by specialty
• Nephrology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 4, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.