Matthias Simon, M.D., PH.D.

Primary specialty

Nephrology PhysicianTaxonomy code 207RN0300X

License

M5509 Issued in TX

Practice address

11481 Toepperwein Rd Ste 1202
Live Oak, TX 78233-3146

Phone

(210) 655-8470

Fax

(210) 967-0276

NPI assigned

Oct 3, 2006

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Other identifiers 2

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

Other, 1993

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Renal Associates, P.a.Group PAC ID 8729070628, 40 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• FKC Schertz Dialysis facility, Schertz, TX, CCN 742568
• Kidney Disease Clinic of Uvalde Dialysis facility, Uvalde, TX, CCN 452540
• Baptist Medical Center Hospital, San Antonio, TX, CCN 450058
• Uvalde Memorial Hospital Hospital, Uvalde, TX, CCN 451387

Merit-based Incentive Payment System (MIPS)

Final score

75 of 100Reported as group

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Doctor of Philosophy

State licenses

Interoperability endpoints

• Direct secure messaging: matthias.simon@ra.eclinicaldirectplus.com

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.

• Renal Associates, P.a.

  • Nephrology Physician
  • San Antonio, TX
  • NPI 1851368112
  Medicare reassignment Care Compare group

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

• Bio-Medical Applications of San Antonio, LLC

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Uvalde, TX
  • NPI 1871605758

  Dialysis facility

  Care Compare affiliation Name & address match
• Fresenius Medical Care San Antonio, LLC

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Schertz, TX
  • NPI 1467097949

  Dialysis facility

  Care Compare affiliation Name & address match
• Uvalde County Hospital Authority

  • Critical Access Hospital
  • Uvalde, TX
  • NPI 1740288505
  Care Compare affiliation
• VHS San Antonio Partners LLC

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1598744856
  Care Compare affiliation

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

{
    "created_epoch": "1159833600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1751500800000",
    "number": "1508950130",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "16620 N US HIGHWAY 281 STE 300",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782322679",
            "telephone_number": "210-614-1231",
            "fax_number": "210-499-0811"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11481 TOEPPERWEIN RD STE 1202",
            "city": "LIVE OAK",
            "state": "TX",
            "postal_code": "782333146",
            "telephone_number": "210-655-8470",
            "fax_number": "210-967-0276"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIMON",
        "first_name": "MATTHIAS",
        "credential": "M.D., PH.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-10-03",
        "last_updated": "2025-07-03",
        "certification_date": "2025-07-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IN",
            "license": "01061565A",
            "primary": false
        },
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "TX",
            "license": "M5509",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "192929103",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "GROUP PTAN",
            "identifier": "00414U",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Karin Shehata
• Brittney Sherman, RBT
• Jackelyn Silber
• Carmelina Y Silvestre, RBT
• Syrita Simmons, LCSW
• Patrick Michael Simon, MD
• Veronica Simpkins, RN
• Sleep and Pulmonary Associates PA
• Aldyn Lee Smith
• Christen Samira Smith, PA-C

• Nephrology Physician in Live Oak, TX
• Providers in Live Oak, TX by specialty
• Nephrology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 3, 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.