Jack C Olson, M.D.

Primary specialty

Geriatric Medicine (Internal Medicine) PhysicianTaxonomy code 207RG0300X

Practice address

1725 W Harrison St
Suite 319
Chicago, IL 60612-3841

Phone

(312) 942-7030

NPI assigned

May 6, 2006

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

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jolson4256@direct.rush.rush-health.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.

• Rush University Medical Group

  dba Rush University Internists

  • Internal Medicine Physician
  • Chicago, IL
  • NPI 1093819542
  Medicare reassignment NPD
• Rush University Medical Center

  dba Rush Oak Brook

  • Internal Medicine Physician
  • Oak Brook, IL
  • NPI 1801375696
  NPD

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

{
    "created_epoch": "1146873600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1417906637",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1725 W HARRISON ST",
            "address_2": "SUITE 319",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606123841",
            "telephone_number": "312-942-7030"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1725 W HARRISON ST",
            "address_2": "SUITE 319",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606123841",
            "telephone_number": "312-942-7030"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OLSON",
        "first_name": "JACK",
        "middle_name": "C",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-06",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Geriatric Medicine",
            "state": "IL",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Eric Robert Olson, OTR/L
• Erik Olson, NP
• Gary R. Olson, DDS
• Guy Olson, MD
• Heidi L Olson, FNP
• Jeffrey Olson, MD
• Jeffrey A. Olson, M.D,
• Jennifer Olson
• Karen M Olson, MA, CCC-SLP
• Karen Marie Olson, LMT

• Geriatric Medicine (Internal Medicine) Physician in Chicago, IL
• Providers in Chicago, IL by specialty
• Geriatric Medicine (Internal Medicine) Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.