Alexander J. Alonso, M.D.

Primary specialty

Nephrology PhysicianTaxonomy code 207RN0300X

License

036115179 Issued in IL

Practice address

420 NE Glen Oak Ave Ste 401
Peoria, IL 61603-3112

Phone

(309) 676-8123

Fax

(309) 676-8455

NPI assigned

Mar 15, 2007

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 3

Medicare fee-for-service enrollment

Enrolled in IL

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, Pediatric Medicine

Education

University of Illinois College of Med (CHI/Peor/Rock/CHM-Urb), 2003

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Renalcare Associates, S.C.Group PAC ID 7012818347, 48 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• FMC - East Peoria Dialysis Dialysis facility, East Peoria, IL, CCN 142562
• FKC - East Peoria Home Dialysis facility, East Peoria, IL, CCN 142859
• FMC - of Spoon River Dialysis facility, Canton, IL, CCN 142565
• Saint Francis Medical Center Hospital, Peoria, IL, CCN 140067
• Carle Health Methodist Hospital Hospital, Peoria, IL, CCN 140209
• Graham Hospital Association Hospital, Canton, IL, CCN 140001
• Carle Health Proctor Hospital Hospital, Peoria, IL, CCN 140013
• Graham Hospital Association Hospital, Canton, IL, CCN 141356

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: aalonso7632@direct.acumenmd.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.

• Renalcare Associates, S.C.

  • Nephrology Physician
  • Peoria, IL
  • NPI 1649300377

  IL, Nephrology

  Medicare reassignment Care Compare group NPD
• Osf Multi-Specialty Group

  • Internal Medicine Physician
  • Peoria, IL
  • NPI 1922445527

  IL, Internal Medicine

  Medicare reassignment NPD
• Sarah Bush Lincoln Health Center

  • General Acute Care Hospital
  • Mattoon, IL
  • NPI 1669564662

  IL

  Medicare reassignment NPD
• Sarah Bush Lincoln Health Center

  • Family Medicine Physician
  • Mattoon, IL
  • NPI 1568581379

  Internal Medicine

  NPD
• Sarah Bush Lincoln Health Center

  • Rural Health Clinic/Center
  • Greenville, IL
  • NPI 1811858970
  NPD
• Central PA Pharmacy LLC.

  • Community/Retail Pharmacy
  • Patton, PA
  • NPI 1578541413
  NPD
• 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.

• Dialysis Centers of America - Illinois, Inc.

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • East Peoria, IL
  • NPI 1083729834

  Dialysis facility

  Care Compare affiliation Name & address match
• Dialysis Centers of America - Illinois, Inc.

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Canton, IL
  • NPI 1891800645

  Dialysis facility

  Care Compare affiliation Name & address match
• Fresenius Medical Care East Peoria Home, LLC

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • East Peoria, IL
  • NPI 1467016709

  Dialysis facility

  Care Compare affiliation Name & address match
• Graham Hospital Association

  • Critical Access Hospital
  • Canton, IL
  • NPI 1154117521

  Hospital

  Care Compare affiliation
• Methodist Medical Center of Illinois

  • General Acute Care Hospital
  • Peoria, IL
  • NPI 1164474755

  Hospital

  Care Compare affiliation
• Proctor Community Hospital

  • General Acute Care Hospital
  • Peoria, IL
  • NPI 1033116876

  Hospital

  Care Compare affiliation
• Proctor Community Hospital

  • Rehabilitation Hospital Unit
  • Peoria, IL
  • NPI 1134826894

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1173916800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784592000000",
    "number": "1124152707",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "420 NE GLEN OAK AVE STE 401",
            "city": "PEORIA",
            "state": "IL",
            "postal_code": "616033112",
            "telephone_number": "309-676-8123",
            "fax_number": "309-676-8455"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "420 NE GLEN OAK AVE STE 401",
            "city": "PEORIA",
            "state": "IL",
            "postal_code": "616033112",
            "telephone_number": "309-676-8123",
            "fax_number": "309-676-8455"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1762 Washington Rd",
            "address_purpose": "LOCATION",
            "city": "Washington",
            "state": "IL",
            "postal_code": "615712181",
            "country_code": "US",
            "telephone_number": "309-676-8123",
            "fax_number": "309-676-8455",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "180 S Main Ste, Ste I",
            "address_purpose": "LOCATION",
            "city": "Canton",
            "state": "IL",
            "postal_code": "61520",
            "country_code": "US",
            "telephone_number": "309-676-8123",
            "fax_number": "309-676-8455",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ALONSO",
        "first_name": "ALEXANDER",
        "middle_name": "J.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-03-15",
        "last_updated": "2026-07-21",
        "certification_date": "2026-07-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "IL",
            "license": "036115179",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036115179",
            "primary": false
        },
        {
            "code": "207RH0005X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hypertension Specialist",
            "state": "IL",
            "license": "036115179",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RR GROUP",
            "identifier": "CA4079",
            "state": "IL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RR INDIVIDUAL",
            "identifier": "P00414412",
            "state": "IL"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036115179",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

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• All providers in Peoria, IL
• Nephrology Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 21, 2026; 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.