Aleyda Maria San Hernandez, MD

Primary specialty

Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X

License

036175266 Issued in IL

Practice address

600 S Paulina St
Chicago, IL 60612-3806

Phone

(312) 864-0540

NPI assigned

Mar 25, 2022

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

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

Interoperability endpoints

• Direct secure messaging: asanhernandez166522@uihealth.direct-ci.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

  • Internal Medicine Physician
  • Chicago, IL
  • NPI 1093819542
  NPD (past)

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

{
    "created_epoch": "1648166400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1751846400000",
    "number": "1609526433",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1500 S FAIRFIELD AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606081782",
            "telephone_number": "773-257-2222"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "600 S PAULINA ST",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606123806",
            "telephone_number": "312-864-0540"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SAN HERNANDEZ",
        "first_name": "ALEYDA",
        "middle_name": "MARIA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-03-25",
        "last_updated": "2025-07-07",
        "certification_date": "2025-06-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "125079212",
            "primary": false
        },
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "IL",
            "license": "036175266",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Samulio Cvetkovic PLLC
• Alexander Gareth Samworth, M.D.
• Bharathi Samy, M.D.
• Christina Samycia, PSYD
• Ma. Olivia Roque San Diego, MD
• April Lei San Juan, DNP, APN, FNP-C
• Lauren San Juan, PHARMD
• Genevieve San Nicolas, APRN, AGACNP-BC, DNP
• San Pablo Medical Center
• San Pablo Medical Center, LTD.

• Endocrinology, Diabetes & Metabolism Physician in Chicago, IL
• Providers in Chicago, IL by specialty
• Endocrinology, Diabetes & Metabolism Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 7, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.