Active NPI
Karen Mikelait Allstadt, MD
- Occupational Medicine Physician
- Jacksonville, FL
National Provider Identifier
1093789398
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Occupational Medicine Physician
- License
- 51205
- Practice address
- 2080 Child St
Jacksonville, FL 32214-5005 - Phone
- (904) 542-3500
- Fax
- (904) 542-2842
- NPI assigned
- Feb 14, 2006
- Last updated
- Jul 13, 2026
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Occupational Medicine Physician | 2083X0100X | 51205 | FL | Primary |
Addresses
Primary practice location
2080 Child St
Jacksonville, FL 32214-5005
Mailing address
1424 Course View Dr
Orange Park, FL 32003-7274
Phone (904) 269-3998
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 51205 | FL | MD | Occupational Medicine Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1139875200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1093789398",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1424 COURSE VIEW DR",
"city": "ORANGE PARK",
"state": "FL",
"postal_code": "320037274",
"telephone_number": "904-269-3998"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2080 CHILD ST",
"city": "JACKSONVILLE",
"state": "FL",
"postal_code": "322145005",
"telephone_number": "904-542-3500",
"fax_number": "904-542-2842"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ALLSTADT",
"first_name": "KAREN",
"middle_name": "MIKELAIT",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-02-14",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "2083X0100X",
"taxonomy_group": "",
"desc": "Preventive Medicine, Occupational Medicine",
"state": "FL",
"license": "51205",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Jacksonville, FL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.