Nathaniel Schwartz

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

036180672 Issued in IL

Practice address

600 S Paulina St Ste 403
Chicago, IL 60612-3806

Phone

(312) 942-7100

NPI assigned

May 5, 2021

Sex

Male

Sole proprietor

Yes

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

Specialty

Internal Medicine

Education

Rush Medical College of Rush University, 2023

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Interoperability endpoints

• Direct secure messaging: nschwartz150959@uihealth.direct-ci.com

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

{
    "created_epoch": "1620172800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784851200000",
    "number": "1417530643",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "600 S PAULINA ST STE 403",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606123806"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "600 S PAULINA ST STE 403",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606123806",
            "telephone_number": "312-942-7100"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1740 W Taylor St",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606127232",
            "country_code": "US",
            "telephone_number": "866-600-2273",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SCHWARTZ",
        "first_name": "NATHANIEL",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-05-05",
        "last_updated": "2026-07-24",
        "certification_date": "2026-07-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036180672",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Michael Schwartz, MD
• Michael Christopher Schwartz, PHD
• Michelle Schwartz, DDS
• Milford Frank Schwartz, M.D.
• Mindy Alyce Schwartz
• Orit Schwartz, MS OTR/L
• Rachel Marie Schwartz
• Rayna Schwartz, MD
• Rena Chaya Schwartz, APN-CNP
• Reyna Joy Schwartz, PSYD

• Internal Medicine Physician in Chicago, IL
• Providers in Chicago, 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 Jul 24, 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.