Arete Fertility Institute Illinois, PLLC

Primary specialty

Reproductive Endocrinology PhysicianTaxonomy code 207VE0102X

Legal business name

ARETE FERTILITY INSTITUTE ILLINOIS, PLLC

Practice address

4733 N Kedzie Ave
Chicago, IL 60625-4420

Phone

(312) 550-1415

Fax

(331) 258-8801

NPI assigned

Oct 13, 2026

Last updated

Oct 13, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Angeline Beltsos, MD

Title

Ceo/Medical Director/Partner

Phone

(312) 550-1416

Specialties & licenses 2

Addresses

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

{
    "created_epoch": "1791849600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1791849600000",
    "number": "1790680148",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4733 N KEDZIE AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606254420",
            "telephone_number": "312-550-1415",
            "fax_number": "331-258-8801"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4733 N KEDZIE AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606254420",
            "telephone_number": "312-550-1415",
            "fax_number": "331-258-8801"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1585 N Barrington Rd Ste 401",
            "address_purpose": "LOCATION",
            "city": "Hoffman Estates",
            "state": "IL",
            "postal_code": "601695020",
            "country_code": "US",
            "telephone_number": "312-550-1415",
            "fax_number": "331-258-8801",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2335 S Michigan Ave Fl 1",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606162104",
            "country_code": "US",
            "telephone_number": "312-550-1415",
            "fax_number": "331-258-8801",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "ARETE FERTILITY INSTITUTE ILLINOIS, PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-10-13",
        "last_updated": "2026-10-13",
        "certification_date": "2026-10-13",
        "status": "A",
        "authorized_official_last_name": "BELTSOS",
        "authorized_official_first_name": "ANGELINE",
        "authorized_official_title_or_position": "CEO/MEDICAL DIRECTOR/PARTNER",
        "authorized_official_telephone_number": "312-550-1416",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207VE0102X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Reproductive Endocrinology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Grace Arendell
• Danielle M Arends, N.P.
• Stacy Lynn Arens, PA-C
• Tiffany Abbey Arenson
• Nikolas Arestopoulos, L.AC., DIPL. O.M.
• Jacqueline Arevalo-Agne, SLP
• Gilberto J. Arevalo, MD
• Gloria Arfelis, PSY.D.
• Lisa R Arford, CRNA
• Mark Anton Altar Arganda, MD

• Reproductive Endocrinology Physician in Chicago, IL
• Providers in Chicago, IL by specialty
• Reproductive Endocrinology Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.