Ignacio Alberto Portales Castillo, MD

Primary specialty

Nephrology PhysicianTaxonomy code 207RN0300X

License

2021040899 Issued in MO

Practice address

1 Barnes Jewish Hospital PLZ
Div Im Nephrology
Saint Louis, MO 63110-1003

Phone

(314) 362-7603

Fax

(314) 747-5213

NPI assigned

Jun 27, 2016

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

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in MO

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, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Washington UniversityGroup PAC ID 9830008770, 2,968 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Barnes Jewish Hospital Hospital, Saint Louis, MO, CCN 260032
• Alton Memorial Hospital Hospital, Alton, IL, CCN 140002
• Barnes-Jewish West County Hospital Hospital, Creve Coeur, MO, CCN 260162
• Christian Hospital Northeast Hospital, Saint Louis, MO, CCN 260180

Merit-based Incentive Payment System (MIPS)

Final score

84.2 of 100Reported as group

Quality

71.6

Promoting interoperability

100

Improvement activities

40

Cost

75.75

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/

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.

• Washington University

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Saint Louis, MO
  • NPI 1841221116
  Medicare reassignment Care Compare group NPD
• Washington University

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1992746903
  Medicare reassignment
• Barnes Jewish Hospital

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1649299827
  NPD (past)
• Gibson Community Hospital Association

  • Critical Access Hospital
  • Gibson City, IL
  • NPI 1114935681
  NPD (past)

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

• Barnes Jewish Hospital

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1649299827
  Care Compare affiliation
• Barnes Jewish West County Hospital

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1831107895
  Care Compare affiliation
• Christian Hospital Northeast- Northwest

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1639186760
  Care Compare affiliation
• Christian Hospital Northeast-Northwest

  • Ambulance
  • Saint Louis, MO
  • NPI 1073769329

  Hospital

  Care Compare affiliation
• Alton Memorial Hospital

  • Ambulance
  • Alton, IL
  • NPI 1063669117

  Hospital

  Care Compare affiliation
• Alton Memorial Hospital

  • General Acute Care Hospital
  • Alton, IL
  • NPI 1548278476
  Care Compare affiliation

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

{
    "created_epoch": "1466985600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744848000000",
    "number": "1740631183",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 7412011",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606742011",
            "telephone_number": "314-362-7603",
            "fax_number": "314-747-5213"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 BARNES JEWISH HOSPITAL PLZ",
            "address_2": "DIV IM NEPHROLOGY",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631101003",
            "telephone_number": "314-362-7603",
            "fax_number": "314-747-5213"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PORTALES CASTILLO",
        "first_name": "IGNACIO",
        "middle_name": "ALBERTO",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-06-27",
        "last_updated": "2025-04-17",
        "certification_date": "2022-08-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MO",
            "license": "2021040899",
            "primary": false
        },
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "MO",
            "license": "2021040899",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200110124",
            "state": "MO"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "Y",
            "affiliationName": "Washington University",
            "address_1": "1 Barnes Jewish Hospital Plz",
            "address_2": "Div IM Nephrology",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631101003",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Arie V Poremba, PT
• Rafael Porfirio de Aguiar
• Heather L Poropat, AGNP
• Raquel Monique Porporis, FNP
• Brian Scott Porshinsky, M.D.
• Kaylene Portell, MSW, LCSW
• Mary Grace Portell, LPC
• Melissa A Portell, WHNP
• Carla Porter
• Courtney Johnson Porter, AGNP

• Nephrology Physician in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Nephrology Physician in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 17, 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.