Active NPI
John Karl Whalen, DO
- Epilepsy Physician
- Fleming Island, FL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Epilepsy Physician
- License
- OS21301
- Practice address
- 2310 Village Square Pkwy Ste 202
Fleming Island, FL 32003-6409 - Phone
- (904) 516-1880
- Fax
- (904) 516-1885
- NPI assigned
- May 13, 2020
- Last updated
- Jun 27, 2025
- Sex
- Male
- 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 |
|---|---|---|---|---|
| Neurology Physician | 2084N0400X | OS21301 | FL | |
| Epilepsy Physician | 2084E0001X | OS21301 | FL | Primary |
Addresses
Primary practice location
2310 Village Square Pkwy Ste 202
Fleming Island, FL 32003-6409
Mailing address
PO Box 746649
Atlanta, GA 30374-6649
Phone (904) 202-2092
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in FL
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Neurology
- Education
- Other, 2020
- Medicare assignment
- May accept Medicare assignment
- Group practices
Practice addresses (Care Compare)
2310 Village Square Pkwy
Suite 202
Fleming Island, FL 32003-6409
Phone (904) 516-1880
PO Box
Suite 1099
Melrose, FL 32666-1099
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| OS21301 | FL | MD | Neurology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Baptist Neurology Inc | Epilepsy | Current | Accepting new patients |
| Baptist Neurology Inc | Neurology | Current | Accepting new patients |
Locations
2310 Village Square Pkwy
Ste 202
Fleming Island, FL 32003
Phone (904) 398-8266
1370 13th Ave S
Ste 215
Jax Bch, FL 32250
Phone (904) 249-1041
Interoperability endpoints
- jwhalen302207@baptisthealthsystemjacksonville.direct-ci.com
- jwhalen709268@direct.shands.ufl.edu
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.
-
- Neurology Physician
- Jacksonville, FL
- NPI 1598995599
-
dba Lake Area Physical Therapy & Aquatics
- Physical Therapist
- Melrose, FL
- NPI 1376682518
Hospital & facility affiliations 5
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Jacksonville Beach, FL
- NPI 1821155912
-
dba Brooks Rehabilitation Hospital Bartram Campus
- Rehabilitation Hospital
- Jacksonville, FL
- NPI 1376114413
Inpatient rehabilitation facility
-
dba Brooks Rehabilitation
- Rehabilitation Hospital
- Jacksonville, FL
- NPI 1912947748
Inpatient rehabilitation facility
-
dba Baptist Medical Center
- General Acute Care Hospital
- Jacksonville, FL
- NPI 1578620449
-
dba Concierge Home Care
- Home Health Agency
- Orange Park, FL
- NPI 1629262449
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1589328000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1750982400000",
"number": "1093337057",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 746649",
"city": "ATLANTA",
"state": "GA",
"postal_code": "303746649",
"telephone_number": "904-202-2092",
"fax_number": "904-376-4075"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2310 VILLAGE SQUARE PKWY STE 202",
"city": "FLEMING ISLAND",
"state": "FL",
"postal_code": "320036409",
"telephone_number": "904-516-1880",
"fax_number": "904-516-1885"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WHALEN",
"first_name": "JOHN",
"middle_name": "KARL",
"credential": "DO",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2020-05-13",
"last_updated": "2025-06-27",
"certification_date": "2025-06-27",
"status": "A"
},
"taxonomies": [
{
"code": "2084N0400X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Neurology",
"state": "FL",
"license": "OS21301",
"primary": false
},
{
"code": "2084E0001X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Epilepsy",
"state": "FL",
"license": "OS21301",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Fleming Island, FL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 27, 2025; 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.