May Arnaiz Suasin, APN, CNP

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

209011525 Issued in IL

Practice address

10350 Haligus Rd Ste a
Huntley, IL 60142-9545

Phone

(815) 455-6100

Fax

(847) 802-7162

NPI assigned

Jul 3, 2014

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

Electronic endpoints 2

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, 1995

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Northwestern Medical Faculty FoundationGroup PAC ID 4587576814, 4,386 clinicians

Lake County Acute Care LLPGroup PAC ID 5395747281, 17 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Northwestern Medicine Central Dupage Hospital Hospital, Winfield, IL, CCN 140242
• Advocate Condell Medical Center Hospital, Libertyville, IL, CCN 140202

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Nurse Practitioner, Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: msuasin215661@direct.myadvocateaurora.org

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.

• Lake County Acute Care, LLP

  • Family Medicine Physician
  • Gurnee, IL
  • NPI 1861599052
  Medicare reassignment Care Compare group NPD
• Northwestern Medical Faculty Foundation

  • Multi-Specialty Clinic/Center
  • Carol Stream, IL
  • NPI 1346235314
  Medicare reassignment Care Compare group NPD
• North Suburban Health Care LTD

  • Internal Medicine Physician
  • Libertyville, IL
  • NPI 1235353871
  Medicare reassignment NPD
• Lake County Acute Care, LLP

  • Family Medicine Physician
  • Round Lake Beach, IL
  • NPI 1356448542
  NPD
• Lake County Acute Care, LLP

  • Family Medicine Physician
  • Buffalo Grove, IL
  • NPI 1720185911
  NPD
• Northwestern Medical Faculty Foundation

  • Durable Medical Equipment & Medical Supplies
  • Chicago, IL
  • NPI 1417718479
  NPD
• Lake County Acute Care, LLP

  • Family Medicine Physician
  • Vernon Hills, IL
  • NPI 1053418244
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Advocate Condell Medical Center

  • Mobile Mammography Clinic/Center
  • Gurnee, IL
  • NPI 1023262441

  Hospital

  Care Compare affiliation
• Advocate Condell Medical Center

  • General Acute Care Hospital
  • Libertyville, IL
  • NPI 1124272547
  Care Compare affiliation
• Advocate Condell Medical Center

  • Mobile Mammography Clinic/Center
  • Grayslake, IL
  • NPI 1770737199

  Hospital

  Care Compare affiliation
• Central Dupage Hospital Association

  • General Acute Care Hospital
  • Winfield, IL
  • NPI 1003864810
  Care Compare affiliation
• Central Dupage Hospital Association

  • Psychiatric Hospital Unit
  • Winfield, IL
  • NPI 1740230895
  Care Compare affiliation

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

{
    "created_epoch": "1404345600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772064000000",
    "number": "1619383262",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10350 HALIGUS RD STE A",
            "city": "HUNTLEY",
            "state": "IL",
            "postal_code": "601429545",
            "telephone_number": "815-455-6100",
            "fax_number": "847-802-7162"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10350 HALIGUS RD STE A",
            "city": "HUNTLEY",
            "state": "IL",
            "postal_code": "601429545",
            "telephone_number": "815-455-6100",
            "fax_number": "847-802-7162"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1445 N Hunt Club Rd",
            "address_purpose": "LOCATION",
            "city": "Gurnee",
            "state": "IL",
            "postal_code": "600312603",
            "country_code": "US",
            "telephone_number": "847-249-2800",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SUASIN",
        "first_name": "MAY",
        "middle_name": "ARNAIZ",
        "credential": "APN, CNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-07-03",
        "last_updated": "2026-02-26",
        "certification_date": "2026-02-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "IL",
            "license": "209011525",
            "primary": false
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "IL",
            "license": "209011525",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "msuasin215661@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "305 W Rollins Rd",
            "city": "Round Lake Beach",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600731217",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "305 W Rollins Rd",
            "city": "Round Lake Beach",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600731217",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Xochitl Maria Stankiewicz, S.L.
• Jo Ann Roberta Stegmaier, APN,NPC
• Brian Nicholas Steif
• Christine Kelly Stephenson
• Denise Story, P.T.A.
• Prathayini Subarajan, DO
• Phillip Paul Sukel, DDS
• Joanna M Sullivan, LCSW
• Sun and Rain Counseling PLLC
• Spencer Grant Suppes, DO

• Nurse Practitioner in Huntley, IL
• Providers in Huntley, IL by specialty
• Nurse Practitioner in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 26, 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.