Active NPI
Walter Ruben Plasencia, M.D.
- Internal Medicine Physician
- Chicago, IL
National Provider Identifier
1497715908
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 036092042
- Practice address
- 5939 W Diversey Ave
Chicago, IL 60639-1155 - Phone
- (773) 637-1600
- Fax
- (773) 637-1520
- NPI assigned
- Mar 27, 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 | 036092042 | IL | Primary |
Addresses
Primary practice location
5939 W Diversey Ave
Chicago, IL 60639-1155
Mailing address
5939 W Diversey Ave
Chicago, IL 60639-1155
Phone (773) 637-1600
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 036092042 | Medicaid | IL |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IL
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20071005000552 | IL | Practitioner - Internal Medicine | 4284729294 | Practice locations: Chicago, IL |
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- Other, 1982
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
Practice addresses (Care Compare)
5939 W Diversey Ave
Chicago, IL 60639-1155
Phone (773) 637-1600
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 036092042 | IL | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Plasencia Pediatrics Inc | Single Specialty | Current | Accepting new patients |
| Med-Ped Medical Center SC | Single Specialty | Current | Accepting new patients |
Locations
5939 W Diversey Ave
Chicago, IL 60639
Phone (773) 637-1600
Organizations & group practices 2
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.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1143417600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1751241600000",
"number": "1497715908",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "5939 W DIVERSEY AVE",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606391155",
"telephone_number": "773-637-1600",
"fax_number": "773-637-2733"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "5939 W DIVERSEY AVE",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606391155",
"telephone_number": "773-637-1600",
"fax_number": "773-637-1520"
}
],
"practiceLocations": [],
"basic": {
"last_name": "PLASENCIA",
"first_name": "WALTER",
"middle_name": "RUBEN",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2006-03-27",
"last_updated": "2025-06-30",
"certification_date": "2025-06-30",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Internal Medicine",
"state": "IL",
"license": "036092042",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "036092042",
"state": "IL"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Chicago, IL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 30, 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.