Active NPI
Gretchen L Mahaney Caldwell, APN
- Nurse Practitioner
- Springfield, IL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Nurse Practitioner
- License
- 209007736
- 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, 2026
- Sex
- Female
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| 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
Enrollment records 1
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
- St Johns Hospital
- MC Donough District Hospital
- Pana Community Hospital
- St Anthonys Memorial Hospital
- Illini Community Hospital
Merit-based Incentive Payment System (MIPS)
- Final score
- 94.81 of 100
- Quality
- 85.98
- Promoting interoperability
- 100
- Improvement activities
- 40
Merit-based Incentive Payment System (MIPS)
- Final score
- 91.05 of 100
- Quality
- 72.1
- Promoting interoperability
- 100
- Improvement activities
- 40
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 209.007736 | IL | MD | Interventional Cardiology Physician |
| 209007736 | IL | MD | Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| St Anthonys Memorial Hospital of the Hospital Sisters of the Third | Current | Accepting new patients | |
| Prairie Cardiovascular Consultants LTD | Current | 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
- 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.
-
- Multi-Specialty Clinic/Center
- Springfield, IL
- NPI 1982714218
-
dba St. Anthony's Memorial Hospital
- General Acute Care Hospital
- Effingham, IL
- NPI 1306800602
-
- Cardiovascular Disease Physician
- Springfield, IL
- NPI 1659539559
Hospital & facility affiliations 6
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Illini Community Hospital
- Critical Access Hospital
- Pittsfield, IL
- NPI 1720086218
-
dba McDonough District Hospital
- General Acute Care Hospital
- Macomb, IL
- NPI 1669420766
-
- Critical Access Hospital
- Pana, IL
- NPI 1942326970
-
dba St. Anthony's Memorial Hospital
- General Acute Care Hospital
- Effingham, IL
- NPI 1306800602
-
dba St. Anthony's Memorial Hospitral
- Clinic/Center
- Effingham, IL
- NPI 1881214104
Hospital
-
dba HSHS St. John's Hospital
- General Acute Care Hospital
- Springfield, IL
- NPI 1205818481
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 15, 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.