Active NPI
Dennis T Villareal, MD
- Geriatric Medicine (Internal Medicine) Physician
- Saint Louis, MO
National Provider Identifier
1538185764
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Geriatric Medicine (Internal Medicine) Physician
- License
- 102107
- Practice address
- 4488 Forest Park Ave
Ste 201
Saint Louis, MO 63108-2215 - Phone
- (314) 286-2715
- Fax
- (314) 286-2701
- NPI assigned
- Jul 14, 2006
- Last updated
- Sep 29, 2026
- 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 |
|---|---|---|---|---|
| Geriatric Medicine (Internal Medicine) Physician | 207RG0300X | 102107 | MO | Primary |
Addresses
Primary practice location
4488 Forest Park Ave
Ste 201
Saint Louis, MO 63108-2215
Mailing address
660 S Euclid Ave
C B 8031
Saint Louis, MO 63110-1010
Phone (314) 286-2715
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 208688002 | Medicaid | MO |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: No
- Medical equipment: Yes
- Home health: No
- Power mobility devices: Yes
- Hospice: No
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 102107 | MO | MD | Geriatric Medicine (Internal Medicine) Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Jewish Center for Aged | Past | Accepting new patients |
Organizations & group practices 1
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.
-
dba The Cedars at the JCA
- Skilled Nursing Facility
- Chesterfield, MO
- NPI 1265420079
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1152835200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1790640000000",
"number": "1538185764",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "660 S EUCLID AVE",
"address_2": "C B 8031",
"city": "SAINT LOUIS",
"state": "MO",
"postal_code": "631101010",
"telephone_number": "314-286-2715",
"fax_number": "314-286-2701"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4488 FOREST PARK AVE",
"address_2": "STE 201",
"city": "SAINT LOUIS",
"state": "MO",
"postal_code": "631082215",
"telephone_number": "314-286-2715",
"fax_number": "314-286-2701"
}
],
"practiceLocations": [],
"basic": {
"last_name": "VILLAREAL",
"first_name": "DENNIS",
"middle_name": "T",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-07-14",
"last_updated": "2026-09-29",
"status": "A"
},
"taxonomies": [
{
"code": "207RG0300X",
"taxonomy_group": "",
"desc": "Internal Medicine, Geriatric Medicine",
"state": "MO",
"license": "102107",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "208688002",
"state": "MO"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Saint Louis, MO
- Renato G Villafuerte, MD
- Village North, Inc. (Village North Rehabilitation and Nursing Center)
- Tina Villalobos, MSW, LCSW
- Sasha Alesandra Villalta
- Ana Esther Villanueva, MD
- Reina C Villareal, MD
- Hugo A Villarreal, M.D.
- Victor Villarreal, PH.D.
- Nicolas Bernardo Villarroel, DC
- Susan Sindel Villasana, PSYCHOLOGIST
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 29, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.