Active NPI
Louis Howard Cox, M.D.
- Internal Medicine Physician
- Oklahoma City, OK
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 15895
- Practice address
- 5401 N Portland Ave Ste 320
Oklahoma City, OK 73112-2091 - Phone
- (405) 458-7188
- Fax
- (405) 384-7128
- NPI assigned
- Aug 23, 2006
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 15895 | OK | Primary |
Addresses
Primary practice location
5401 N Portland Ave Ste 320
Oklahoma City, OK 73112-2091
Mailing address
5401 N Portland Ave Ste 320
Oklahoma City, OK 73112-2091
Phone (405) 458-7188
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 100087980A | Medicaid | OK |
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
- Internal Medicine
- Education
- Tulane University School of Medicine, 1985
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
- Select Physical Therapy Holdings Inc
Practice addresses (Care Compare)
2230 N Perkins Rd
Stillwater, OK 74075-3076
Phone (405) 780-9919
5700 N Portland Ave
Suite 100
Oklahoma City, OK 73112-1662
Phone (405) 458-7188
Hospital & facility affiliations
- Elara Caring XX
- Family Choice Home Care Oklahoma City
- Integris Baptist Medical Center, Inc
- Onecore Health
- Integris Health Edmond Hospital
- O U Medical Center
- Integris Health Edmond
- Integris Southwest Medical Center
Merit-based Incentive Payment System (MIPS)
- Final score
- 84.72 of 100
- Quality
- 82.66
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 66.42
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 15895 | OK | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Medical Specialists Inc | Internal Medicine | Current | Accepting new patients |
| Infectious Disease Associates LLC | Current | Accepting new patients | |
| Louis H Cox MD Inc | Current | Accepting new patients | |
| Jackson County Memorial Hospital Authority | Past | Accepting new patients | |
| Integris South Oklahoma City Hospital Corporation | Past | Accepting new patients | |
| Integris Health Edmond Inc | Past | Accepting new patients | |
| Summit Medical Center | Past | Accepting new patients |
Locations
5401 N Portland Ave
Ste 320
Oklahoma City, OK 73112
Phone (405) 458-7188
5401 N Portland Ave
Ste 370
Oklahoma City, OK 73112
Phone (405) 604-4300
5401 N Portland Ave
Ste 220
Oklahoma City, OK 73112
Phone (405) 604-4321
5700 N Portland Ave
Oklahoma City, OK 73112
Phone (405) 604-4380
5701 N Portland Ave
Ste 101
Oklahoma City, OK 73112
5401 N Portland Ave
Ste 200
Oklahoma City, OK 73112
5700 N Portland Ave
Ste 100
Oklahoma City, OK 73112
Phone (405) 458-7162
Interoperability endpoints
- louis.cox.1@33447.direct.athenahealth.com
Organizations & group practices 7
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.
-
- Medical Specialty Clinic/Center
- Oklahoma City, OK
- NPI 1760681837
-
- Internal Medicine Physician
- Oklahoma City, OK
- NPI 1669579389
-
- General Acute Care Hospital
- Oklahoma City, OK
- NPI 1306397658
-
- Rehabilitation Hospital Unit
- Edmond, OK
- NPI 1588243117
-
- Rehabilitation Hospital Unit
- Oklahoma City, OK
- NPI 1336252717
-
- General Acute Care Hospital
- Altus, OK
- NPI 1093763781
-
- General Acute Care Hospital
- Edmond, OK
- NPI 1356574560
Hospital & facility affiliations 13
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Home Health Agency
- Oklahoma City, OK
- NPI 1447380670
-
- General Acute Care Hospital
- Oklahoma City, OK
- NPI 1851344188
-
- Psychiatric Hospital Unit
- Oklahoma City, OK
- NPI 1598837221
-
- Psychiatric Hospital Unit
- Spencer, OK
- NPI 1659443372
-
- General Acute Care Hospital
- Oklahoma City, OK
- NPI 1831103654
-
- Psychiatric Hospital Unit
- Spencer, OK
- NPI 1881760759
-
- Rehabilitation Hospital Unit
- Edmond, OK
- NPI 1588243117
Inpatient rehabilitation facility
-
- General Acute Care Hospital
- Edmond, OK
- NPI 1720373103
-
- Mammography Clinic/Center
- Oklahoma City, OK
- NPI 1336155779
Inpatient rehabilitation facility
-
- Rehabilitation Hospital Unit
- Oklahoma City, OK
- NPI 1336252717
Inpatient rehabilitation facility
-
- General Acute Care Hospital
- Oklahoma City, OK
- NPI 1457372625
Inpatient rehabilitation facility
-
- Home Health Agency
- Nichols Hills, OK
- NPI 1467970467
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1156291200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1773187200000",
"number": "1164538872",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "5401 N PORTLAND AVE STE 320",
"city": "OKLAHOMA CITY",
"state": "OK",
"postal_code": "731122091",
"telephone_number": "405-458-7188",
"fax_number": "405-384-7128"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "5401 N PORTLAND AVE STE 320",
"city": "OKLAHOMA CITY",
"state": "OK",
"postal_code": "731122091",
"telephone_number": "405-458-7188",
"fax_number": "405-384-7128"
}
],
"practiceLocations": [],
"basic": {
"last_name": "COX",
"first_name": "LOUIS",
"middle_name": "HOWARD",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2006-08-23",
"last_updated": "2026-03-11",
"certification_date": "2026-03-11",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "OK",
"license": "15895",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "100087980A",
"state": "OK"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Oklahoma City, OK
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 11, 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.