Active NPI
Johnathan Parker Tadlock, DO
- Emergency Medicine Physician
- Lawton, OK
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Emergency Medicine Physician
- License
- 9196
- Practice address
- 3401 W Gore Blvd
Lawton, OK 73505-6332 - Phone
- (580) 585-5545
- NPI assigned
- May 15, 2024
- Last updated
- Aug 8, 2025
- Sex
- Male
- 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 |
|---|---|---|---|---|
| Emergency Medicine Physician | 207P00000X | 9196 | OK | Primary |
Addresses
Primary practice location
3401 W Gore Blvd
Lawton, OK 73505-6332
Mailing address
3401 W Gore Blvd
Lawton, OK 73505-6332
Phone (580) 585-5545
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in OK
- 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
- Emergency Medicine
- Education
- Kansas City University of Med & Biosciences, College of Osteo Med, 2024
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Jackson County Memorial Hospital Authority
Practice addresses (Care Compare)
1500 N Green Ave
Purcell, OK 73080-1642
Phone (405) 527-6524
205 S Park LN
Suite 210
Altus, OK 73521-5757
Phone (580) 379-6650
400 E Chestnut St
Hollis, OK 73550-2030
Phone (580) 688-3363
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 9196 | OK | MD | Emergency Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Emergency Physicians of Mid-America, P.C. | Emergency Medicine | Current | Accepting new patients |
| Jackson County Memorial Hospital Authority | Current | Accepting new patients | |
| Jackson County Memorial Hospital Authority | Current | Accepting new patients | |
| Arbuckle Memorial Hospital | Current | Accepting new patients | |
| Arbuckle Memorial Hospital | Current | Accepting new patients |
Locations
1200 E Pecan St
Altus, OK 73521
Phone (580) 379-5000
205 S Park Ln
Ste 210
Altus, OK 73521
Phone (580) 379-6650
400 E Chestnut St
Hollis, OK 73550
Phone (580) 471-0971
3401 W Gore Blvd
Lawton, OK 73505
Phone (580) 483-5207
1500 N Green Ave
Purcell, OK 73080
Phone (405) 527-2250
2401 W Wrangler Blvd
Seminole, OK 74868
Phone (405) 303-4000
1102 W MacArthur St
Shawnee, OK 74804
Phone (405) 273-2270
Organizations & group practices 6
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.
-
- Emergency Medicine Physician
- Oklahoma City, OK
- NPI 1063825297
-
- Critical Access Hospital
- Sulphur, OK
- NPI 1700869492
-
- General Acute Care Hospital
- Altus, OK
- NPI 1093763781
-
dba Harmon Memorial Hospital
- Critical Access Hospital
- Hollis, OK
- NPI 1295735991
-
- Emergency Medicine Physician
- Duncan, OK
- NPI 1750112942
-
dba Arbuckle Family Clinic at Davis
- Rural Health Clinic/Center
- Davis, OK
- NPI 1821972076
Hospital & facility affiliations 7
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Critical Access Hospital
- Sulphur, OK
- NPI 1700869492
-
- General Acute Care Hospital
- Altus, OK
- NPI 1093763781
-
- General Acute Care Hospital
- Purcell, OK
- NPI 1467476911
-
- General Acute Care Hospital
- Purcell, OK
- NPI 1851669865
-
dba Weatherford Regional Hospital
- Critical Access Hospital
- Weatherford, OK
- NPI 1346494275
-
dba WRH Clinic Lab and Radiology
- General Acute Care Hospital
- Weatherford, OK
- NPI 1578716502
-
dba Weatherford Regional Hospital
- Critical Access Hospital
- Weatherford, OK
- NPI 1639175185
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1715731200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1754611200000",
"number": "1427807155",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3401 W GORE BLVD",
"city": "LAWTON",
"state": "OK",
"postal_code": "735056332",
"telephone_number": "580-585-5545"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3401 W GORE BLVD",
"city": "LAWTON",
"state": "OK",
"postal_code": "735056332",
"telephone_number": "580-585-5545"
}
],
"practiceLocations": [],
"basic": {
"last_name": "TADLOCK",
"first_name": "JOHNATHAN",
"middle_name": "PARKER",
"name_prefix": "Dr.",
"credential": "DO",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2024-05-15",
"last_updated": "2025-08-08",
"certification_date": "2025-08-08",
"status": "A"
},
"taxonomies": [
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "OK",
"license": "9196",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Lawton, OK
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 8, 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.