Individual provider Active NPI

Frelea Lyn Tiongson, CRNA

  • Certified Registered Nurse Anesthetist
  • Chicago, IL
National Provider Identifier
1699107193
Registry record updated Aug 24, 2015
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
Practice address
1812 W Chase Ave Apt G
Chicago, IL 60626-2300
Phone
(708) 420-8097
NPI assigned
Aug 7, 2013
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 24, 2015

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 0 IL Primary

Addresses

Primary practice location

1812 W Chase Ave Apt G
Chicago, IL 60626-2300

Mailing address

1812 W Chase Ave Apt G
Chicago, IL 60626-2300
Phone (708) 420-8097

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL, VT2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20140221000992 IL Practitioner - Certified Registered Nurse Anesthetist (Crna) 0042440828 Reassigns benefits to 7 organizations
I20260105000433 VT Practitioner - Certified Registered Nurse Anesthetist (Crna) 0042440828 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2013
Medicare assignment
May accept Medicare assignment
Group practices
CGH Medical CenterGroup PAC ID 6103723267, 199 clinicians
Clinical Colleagues IncGroup PAC ID 8729011333, 170 clinicians

Practice addresses (Care Compare)

100 E Le Fevre Rd
Sterling, IL 61081-1278
Phone (815) 625-0400

100 E Lefevre Rd
Sterling, IL 61081-1278

2701 17TH St
Rock Island, IL 61201-5351
Phone (844) 937-1810

500 John Deere Rd
Moline, IL 61265-6892
Phone (844) 937-1810

695 N Kellogg St
Galesburg, IL 61401-2807
Phone (309) 343-8131

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Certified Registered Nurse

Practice roles

OrganizationSpecialtyStatusNew patients
Copley Hospital, Inc. CurrentSince Dec 8, 2025 Accepting new patients
Copley Hospital, Inc. CurrentSince Dec 8, 2025 Accepting new patients
CGH Medical Center CurrentSince May 19, 2020 Accepting new patients
St Luke'S Methodist Hospital Current Accepting new patients
Copley Hospital Inc Current Accepting new patients
Northwestern Medical Faculty Foundation CurrentSince Apr 1, 2020 Accepting new patients
Copley Hospital, Inc. Current Accepting new patients
Anesthesia Associates, LTD CurrentSince Sep 29, 2014 Accepting new patients
CGH Medical Center CurrentSince May 19, 2020 Accepting new patients
Pinnacle Anesthesia, LTD CurrentSince Jun 27, 2014 Accepting new patients
Copley Hospital, Inc CurrentSince Dec 8, 2025 Accepting new patients
Copley Hospital, Inc. Current Accepting new patients
Clinical Colleagues Inc Nurse Anesthetist, Certified Registered CurrentSince Jul 1, 2022 Accepting new patients
Northwestern Medical Faculty Foundation CurrentSince Apr 1, 2020 Accepting new patients
Northstar Anesthesia of Illinois, LLC Nurse Anesthetist, Certified Registered CurrentSince Jun 1, 2016 Accepting new patients
Valley Pain Care Centers LTD CurrentSince Sep 29, 2014 Accepting new patients
Clinical Colleagues Inc Nurse Anesthetist, Certified Registered CurrentSince Jul 1, 2022 Accepting new patients

Locations

Dept 5777
Carol Stream, IL 60122

7435 W Talcott Ave
Chicago, IL 60631
Phone (773) 467-9977

2900 N Lakeshore
Chicago, IL 60657
Phone (773) 665-3240

1 Kish Hospital Dr
DeKalb, IL 60115
Phone (815) 754-1521

695 N Kellogg St
Galesburg, IL 61401
Phone (309) 343-8131

1555 N Barrington Rd
Ste 400
Hoffman Estates, IL 60169
Phone (847) 519-1600

1555 N Barrington Rd
Hoffman Estates, IL 60169
Phone (847) 490-2923

660 N Westmoreland Rd
Lake Forest, IL 60045
Phone (847) 535-6100

1000 N Westmoreland Rd
Fl 1
Lake Forest, IL 60045

660 N Westmoreland Rd
#302
Lake Forest, IL 60045

515 Valley View Dr
Ste 201
Moline, IL 61265
Phone (312) 695-0870

20201 Crawford Ave
Olympia Flds, IL 60461
Phone (708) 503-3857

100 5th St
Oswego, IL 60543
Phone (630) 449-0085

1423 Chicago Rd
Sauk Village, IL 60411
Phone (708) 679-2160

100 E Lefevre Rd
Sterling, IL 61081
Phone (815) 625-0400

1879 N Neltnor Blvd
West Chicago, IL 60185

528 Washington Hwy
Morrisville, VT 05661
Phone (802) 888-4231

Interoperability endpoints

  • Direct secure messaging: ftiongson804410@direct.unitypoint.org
  • Direct secure messaging: flyntiongson19972@cghmc.direct-ci.com

Organizations & group practices 17

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.

View all 17

Hospital & facility affiliations 3

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

NPI Registry JSON

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

{
    "created_epoch": "1375833600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1440374400000",
    "number": "1699107193",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1812 W CHASE AVE APT G",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606262300",
            "telephone_number": "708-420-8097"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1812 W CHASE AVE APT G",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606262300",
            "telephone_number": "708-420-8097"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TIONGSON",
        "first_name": "FRELEA",
        "middle_name": "LYN",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-08-07",
        "last_updated": "2015-08-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "IL",
            "license": "0",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 24, 2015; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • 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.