Individual provider Active NPI

Gretchen L Mahaney Caldwell, APN

  • Nurse Practitioner
  • Springfield, IL
National Provider Identifier
1265763163
Registry record updated Jan 15, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
209007736 Issued in IL
Practice address
917 Clock Tower Dr Ste 130
Springfield, IL 62704-6043
Phone
(217) 553-9332
NPI assigned
Jan 18, 2010
Last updated
Jan 15, 2026By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 15, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X 209007736 IL Primary
Interventional Cardiology Physician 207RI0011X 209.007736 IL

Addresses

Primary practice location

917 Clock Tower Dr Ste 130
Springfield, IL 62704-6043

Mailing address

619 E Mason St Ste 4P57
Springfield, IL 62701-1034
Phone (217) 788-0706

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address gmahaney100034@ewd.direct.hshs.org Direct

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20100327000422 IL Practitioner - Nurse Practitioner 4183750243 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Southern Illinois University School of Medicine, 2009
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

101 E 9TH St
Pana Community Hosp
Pana, IL 62557-1785
Phone (217) 562-2131

1600 E Jackson St
Macomb, IL 61455-2530
Phone (217) 788-0706

1745 W Walnut St
Jacksonville, IL 62650-6126
Phone (217) 243-6454

619 E Mason St
Springfield, IL 62701-1034
Phone (217) 788-0706

640 W Washington St
Illini Comm Hosp
Pittsfield, IL 62363-1350
Phone (217) 285-2113

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
94.81 of 100Reported as apm
Quality
85.98
Promoting interoperability
100
Improvement activities
40

Merit-based Incentive Payment System (MIPS)

Final score
91.05 of 100Reported as apm
Quality
72.1
Promoting interoperability
100
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
209.007736ILMDInterventional Cardiology Physician
209007736ILMDNurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
St Anthonys Memorial Hospital of the Hospital Sisters of the Third CurrentSince Jun 18, 2012 Accepting new patients
Prairie Cardiovascular Consultants LTD CurrentSince Jan 2, 2012 Accepting new patients
Prairie Cardiovascular Consultants LTD Past Accepting new patients

Locations

2300 N Edward St
Decatur, IL 62526
Phone (217) 876-3000

503 N Maple St
Effingham, IL 62401
Phone (217) 342-2121

1215 Franciscan Dr
Litchfield, IL 62056
Phone (217) 324-2191

910 Broadway St
Ste C
Quincy, IL 62301
Phone (217) 228-9450

238 S Congress St
Rushville, IL 62681
Phone (217) 322-4321

401 E Carpenter St
Springfield, IL 62702
Phone (217) 527-3700

619 E Mason St
#4P57
Springfield, IL 62701

619 E Mason St
Ste 4
Springfield, IL 62701

619 E Mason St
Ste 4P57
Springfield, IL 62701

Interoperability endpoints

  • Direct secure messaging: gmahaney100034@ewd.direct.hshs.org

Organizations & group practices 3

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 6

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": "1263772800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768435200000",
    "number": "1265763163",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "619 E MASON ST STE 4P57",
            "city": "SPRINGFIELD",
            "state": "IL",
            "postal_code": "627011034",
            "telephone_number": "217-788-0706",
            "fax_number": "217-525-2535"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "917 CLOCK TOWER DR STE 130",
            "city": "SPRINGFIELD",
            "state": "IL",
            "postal_code": "627046043",
            "telephone_number": "217-553-9332"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAHANEY CALDWELL",
        "first_name": "GRETCHEN",
        "middle_name": "L",
        "credential": "APN",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2010-01-18",
        "last_updated": "2026-01-15",
        "certification_date": "2026-01-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "IL",
            "license": "209007736",
            "primary": true
        },
        {
            "code": "207RI0011X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Interventional Cardiology",
            "state": "IL",
            "license": "209.007736",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "gmahaney100034@ewd.direct.hshs.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CDA/CCD/TXT",
            "address_1": "619 E Mason St Ste 4P57",
            "city": "Springfield",
            "state": "IL",
            "country_code": "US",
            "postal_code": "627011034",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Springfield, IL

Sources for this page

Verify at the official NPI Registry.