Active NPI
Lake County Walker Medical
- General Practice Physician
- Gary, IN
National Provider Identifier
1427389287
On this page
Key facts
NPPES NPI Registry- Primary specialty
- General Practice Physician
- Legal business name
- LAKE COUNTY WALKER MEDICAL
- Practice address
- 426 S Lake St
Gary, IN 46403-2405 - Phone
- (219) 939-6070
- NPI assigned
- Jan 19, 2010
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Roland Hayes Walker, MD
- Title
- Ceo
- Phone
- (219) 939-6070
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| General Practice Physician | 208D00000X | Primary |
Addresses
Primary practice location
426 S Lake St
Gary, IN 46403-2405
Mailing address
426 S Lake St
Gary, IN 46403-2405
Phone (219) 939-6070
Other practice location 1
601 W Kieffer Rd
Michigan City, IN 46360-9599
Phone (219) 326-7337
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IN
Enrollment records 1
National Provider Directory
National Provider DirectoryPractitioners & affiliated clinicians
Practitioners 1
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.
-
- Pediatrics Physician
- Michigan City, IN
- NPI 1891875647
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1263859200000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1755216000000",
"number": "1427389287",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "426 S LAKE ST",
"city": "GARY",
"state": "IN",
"postal_code": "464032405",
"telephone_number": "219-939-6070"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "426 S LAKE ST",
"city": "GARY",
"state": "IN",
"postal_code": "464032405",
"telephone_number": "219-939-6070"
}
],
"practiceLocations": [
{
"address_1": "601 W Kieffer Rd",
"address_purpose": "LOCATION",
"city": "Michigan City",
"state": "IN",
"postal_code": "463609599",
"country_code": "US",
"telephone_number": "219-326-7337",
"fax_number": "219-939-6090",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"organization_name": "LAKE COUNTY WALKER MEDICAL",
"organizational_subpart": "NO",
"enumeration_date": "2010-01-19",
"last_updated": "2025-08-15",
"certification_date": "2025-08-15",
"status": "A",
"authorized_official_last_name": "WALKER",
"authorized_official_first_name": "ROLAND",
"authorized_official_middle_name": "HAYES",
"authorized_official_title_or_position": "CEO",
"authorized_official_telephone_number": "219-939-6070",
"authorized_official_credential": "MD"
},
"taxonomies": [
{
"code": "208D00000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "General Practice",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Gary, IN
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 15, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.