Augusto Guevara

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

36-091726 Issued in IL

Practice address

18 Chicago Ave
Oak Park, IL 60302-2402

Phone

(773) 253-3933

Fax

(773) 437-6780

NPI assigned

Jan 24, 2007

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in IL, IN2 enrollments

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 2

Specialty

Internal MedicineAlso: Geriatric Medicine

Education

Other, 1992

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Oak Street Health Physicians Group PCGroup PAC ID 7517109879, 227 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: augusto.guevara.p1@direct.alegiscare.nextgenshare.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.

• Oak Street Health Physicians Group, PC

  • Primary Care Clinic/Center
  • Chicago, IL
  • NPI 1083051643

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Evernorth Care Providers - Delaware PA

  • General Practice Physician
  • Indianapolis, IN
  • NPI 1013795053
  Medicare reassignment NPD
• Osh-Il Physicians Group LLC

  • Primary Care Clinic/Center
  • East Saint Louis, IL
  • NPI 1265977698

  Internal Medicine

  NPD

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

{
    "created_epoch": "1169596800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758067200000",
    "number": "1962557686",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 746715",
            "city": "ATLANTA",
            "state": "GA",
            "postal_code": "303746715",
            "telephone_number": "773-253-3933",
            "fax_number": "773-437-6780"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "18 CHICAGO AVE",
            "city": "OAK PARK",
            "state": "IL",
            "postal_code": "603022402",
            "telephone_number": "773-253-3933",
            "fax_number": "773-437-6780"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GUEVARA",
        "first_name": "AUGUSTO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-01-24",
        "last_updated": "2025-09-17",
        "certification_date": "2025-09-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "36-091726",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LIC PHYSICIAN",
            "identifier": "36-091726",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Grove Counseling Services PLLC
• Margaret Gruber, OTR
• Nancy Gryniewicz, M.D.
• Helen Elizabeth Gualtieri, MSW, LCSW
• Jose A Guerrero
• James J Guidi, PSY.D.
• Chelsea Guillen
• Riley Guillet, PT, DPT
• Marta Gullickson
• Madison Gunter, ALMFT

• Internal Medicine Physician in Oak Park, IL
• Providers in Oak Park, IL by specialty
• Internal Medicine Physician in Illinois

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