Erwin Calulot Santiago Jr., APRN, FNP-C

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

209.035542 Issued in IL

Practice address

3235 Sage Cir
Mundelein, IL 60060-3747

Phone

(224) 381-0342

NPI assigned

May 15, 2026

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: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2026

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

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.

• Hansa Medical Groupe PLLC

  • Internal Medicine Physician
  • Skokie, IL
  • NPI 1386804615
  Medicare reassignment

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

{
    "created_epoch": "1778803200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778803200000",
    "number": "1336078435",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3235 SAGE CIR",
            "city": "MUNDELEIN",
            "state": "IL",
            "postal_code": "600603747",
            "telephone_number": "224-381-0342"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3235 SAGE CIR",
            "city": "MUNDELEIN",
            "state": "IL",
            "postal_code": "600603747",
            "telephone_number": "224-381-0342"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SANTIAGO",
        "first_name": "ERWIN",
        "middle_name": "CALULOT",
        "name_suffix": "Jr.",
        "credential": "APRN, FNP-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-05-15",
        "last_updated": "2026-05-15",
        "certification_date": "2026-05-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "IL",
            "license": "209.035542",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Gelena Roytman, DDS
• Rush-Select Holdings, LLC.
• Mackenzie Rutledge, BSN RN
• Jamie Ryan
• Adedukunola Salimonu, PHARMD
• Pearl H Santilukka, O.D.
• Melissa Sarabia Marinez
• Saze Community Services, Inc.
• William C Schafernak, DC
• Edward Arthur Schulz, DPM

• Family Nurse Practitioner in Mundelein, IL
• Providers in Mundelein, IL by specialty
• Family Nurse Practitioner in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 15, 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.