Active NPI
Gina R Calvin, FNP
- Nurse Practitioner
- Wentzville, MO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Nurse Practitioner
- License
- 2013044837
- Practice address
- 1520 Wentzville Pkwy
Wentzville, MO 63385-3408 - Phone
- (636) 497-4000
- Fax
- (636) 497-4001
- NPI assigned
- May 10, 2014
- Sex
- Female
- Sole proprietor
- No
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 |
|---|---|---|---|---|
| Family Nurse Practitioner | 363LF0000X | 2013044837 | MO | |
| Nurse Practitioner | 363L00000X | 2013044837 | MO | Primary |
Addresses
Primary practice location
1520 Wentzville Pkwy
Wentzville, MO 63385-3408
Mailing address
PO Box 959354
Saint Louis, MO 63195-9354
Phone (636) 497-4000
Other practice location 1
1111 W Pearce Blvd
Wentzville, MO 63385-1020
Phone (636) 856-5362
Other practice location 2
1598 W Meyer Rd
Wentzville, MO 63385-3653
Phone (636) 332-8228
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1366853541 | Medicaid | MO |
Other names 1
- Gina R Allen
Electronic endpoints 3
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| FHIR URL | https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/ | Health Information Exchange (HIE) | |
| Direct Messaging Address | gallen43883@direct-ehr-ssmhc.com | Direct | |
| FHIR URL | https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/ | Other |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MO
- 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
- Other, 2013
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1520 Wentzville Pkwy
Wentzville, MO 63385-3408
Phone (636) 497-4000
2630 Hwy K
O Fallon, MO 63368-6624
Phone (636) 240-5454
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 2013044837 | MO | MD | Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Mercy East Ambulatory Services LLC | Current | Accepting new patients | |
| Mercy Hospital Lincoln | Current | Accepting new patients |
Locations
409 Lafayette Ctr
Manchester, MO 63011
Phone (636) 707-0764
900 E Cherry St
Troy, MO 63379
Phone (636) 528-8585
1000 E Cherry St
Troy, MO 63379
Phone (636) 528-3327
901 Patients First Dr
Ste 1200
Washington, MO 63090
Phone (636) 390-1777
1111 W Pearce Blvd
Wentzville, MO 63385
Phone (636) 856-5362
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 and National Provider Directory roles.
-
- Multi-Specialty Clinic/Center
- Saint Louis, MO
- NPI 1285664268
-
dba Mercy-GoHealth Urgent Care
- Urgent Care Clinic/Center
- Chesterfield, MO
- NPI 1134673148
-
- Critical Access Hospital
- Troy, MO
- NPI 1962808733
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1399680000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1770336000000",
"number": "1366853541",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 959354",
"city": "SAINT LOUIS",
"state": "MO",
"postal_code": "631959354",
"telephone_number": "636-497-4000",
"fax_number": "636-497-4001"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1520 WENTZVILLE PKWY",
"city": "WENTZVILLE",
"state": "MO",
"postal_code": "633853408",
"telephone_number": "636-497-4000",
"fax_number": "636-497-4001"
}
],
"practiceLocations": [
{
"address_1": "1111 W Pearce Blvd",
"address_purpose": "LOCATION",
"city": "Wentzville",
"state": "MO",
"postal_code": "633851020",
"country_code": "US",
"telephone_number": "636-856-5362",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1598 W Meyer Rd",
"address_purpose": "LOCATION",
"city": "Wentzville",
"state": "MO",
"postal_code": "633853653",
"country_code": "US",
"telephone_number": "636-332-8228",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "CALVIN",
"first_name": "GINA",
"middle_name": "R",
"credential": "FNP",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2014-05-10",
"last_updated": "2026-02-06",
"certification_date": "2026-02-06",
"status": "A"
},
"taxonomies": [
{
"code": "363LF0000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Family",
"state": "MO",
"license": "2013044837",
"primary": false
},
{
"code": "363L00000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner",
"state": "MO",
"license": "2013044837",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "1366853541",
"state": "MO"
}
],
"endpoints": [
{
"endpointType": "FHIR",
"endpointTypeDescription": "FHIR URL",
"endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
"affiliation": "N",
"endpointDescription": "BJC",
"use": "HIE",
"useDescription": "Health Information Exchange (HIE)",
"contentType": "CSV",
"contentTypeDescription": "CSV",
"address_1": "2630 Highway K",
"city": "O Fallon",
"state": "MO",
"country_code": "US",
"postal_code": "633686624",
"country_name": "United States",
"address_type": "DOM"
},
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "gallen43883@direct-ehr-ssmhc.com",
"affiliation": "N",
"use": "DIRECT",
"useDescription": "Direct",
"contentType": "OTHER",
"contentTypeDescription": "Other",
"contentOtherDescription": "gallen43883@direct-ehr-ssmhc.com",
"address_1": "1598 W Meyer Rd",
"city": "Wentzville",
"state": "MO",
"country_code": "US",
"postal_code": "633853653",
"country_name": "United States",
"address_type": "DOM"
},
{
"endpointType": "FHIR",
"endpointTypeDescription": "FHIR URL",
"endpoint": "https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/",
"affiliation": "N",
"use": "OTHER",
"useDescription": "Other",
"useOtherDescription": "FHIR-API",
"contentType": "OTHER",
"contentTypeDescription": "Other",
"contentOtherDescription": "CCD",
"address_1": "1598 W Meyer Rd",
"city": "Wentzville",
"state": "MO",
"country_code": "US",
"postal_code": "633853653",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": [
{
"first_name": "GINA",
"last_name": "ALLEN",
"middle_name": "R",
"credential": "FNP",
"code": "1",
"type": "Former Name"
}
]
}
Other providers in Wentzville, MO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 6, 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.