Active NPI
Teresa Pilar Del Rio Montesinos, MD
- Hepatology Physician
- Mayaguez, PR
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hepatology Physician
- License
- 23834
- Practice address
- 55 Calle Virginia
Mayaguez, PR 00680-3820 - Phone
- (787) 834-6985
- NPI assigned
- Aug 31, 2019
- Sex
- Female
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Hepatology Physician | 207RI0008X | MD61409664 | WA | |
| Internal Medicine Physician | 207R00000X | MD.MD.61409664 | WA | |
| Hepatology Physician | 207RI0008X | 23834 | PR | Primary |
| Internal Medicine Physician | 207R00000X | 23834 | PR |
Addresses
Primary practice location
55 Calle Virginia
Mayaguez, PR 00680-3820
Mailing address
1100 9TH Ave
Seattle, WA 98101-2756
Phone (206) 223-2319
Other practice location 1
1100 9th Ave
Seattle, WA 98101-2756
Phone (206) 223-2319
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | 116tdelrio@uccaribe.edu | Direct |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in WA, PR
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20230613001684 | WA | Practitioner - Gastroenterology | 5294192845 | Reassigns benefits to 2 organizations |
| I20240716001166 | PR | Practitioner - Internal Medicine | 5294192845 | Practice locations: Mayaguez, PR |
Care Compare profile
Medicare Care Compare- Specialty
- Gastroenterology
- Education
- Other, 2020
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1100 9TH Ave
Seattle, WA 98101-2756
Phone (206) 223-6600
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 23834 | PR | MD | Internal Medicine Physician |
| MD.MD.61409664 | WA | MD | Internal Medicine Physician |
| MD61409664 | WA | MD | Hepatology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Virginia Mason Medical Center | Current | Accepting new patients | |
| RDF,CSP | Current | Accepting new patients | |
| Virginia Mason Medical Center | Current | Accepting new patients | |
| Signify Health Medical Associates, PLLC | Current | Accepting new patients | |
| Virginia Mason Medical Center | Current | Accepting new patients | |
| Del Rio Y Montesinos CSP | Internal Medicine | Past | Accepting new patients |
Locations
55 Calle Virginia
Mayaguez, PR 00680
Phone (787) 718-7017
4055 Valley View Ln
Ste 400
Dallas, TX 75244
Phone (469) 466-7037
380 Winslow Way E
Bainbridge Island, WA 98110
Phone (206) 842-5632
711 Capitol Way S
Ste 204
Olympia, WA 98501
Phone (602) 499-5303
925 Seneca St
Seattle, WA 98101
Phone (206) 341-0860
4575 Sand Point Way NE
Ste 108
Seattle, WA 98105
Phone (206) 525-8000
1100 9th Ave
Seattle, WA 98101
Phone (206) 223-6980
Interoperability endpoints
- https://fhir-myrecord.cerner.com/r4/66ad9a50-d7f7-4c21-b933-2ba90047388e/
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 and National Provider Directory roles.
-
- General Practice Physician
- Mayaguez, PR
- NPI 1659730646
-
- Gastroenterology Physician
- Seattle, WA
- NPI 1003970989
-
- Interventional Cardiology Physician
- Tacoma, WA
- NPI 1821711953
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1567209600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1768348800000",
"number": "1154979235",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1100 9TH AVE",
"city": "SEATTLE",
"state": "WA",
"postal_code": "981012756",
"telephone_number": "206-223-2319"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "55 CALLE VIRGINIA",
"city": "MAYAGUEZ",
"state": "PR",
"postal_code": "006803820",
"telephone_number": "787-834-6985"
}
],
"practiceLocations": [
{
"address_1": "1100 9th Ave",
"address_purpose": "LOCATION",
"city": "Seattle",
"state": "WA",
"postal_code": "981012756",
"country_code": "US",
"telephone_number": "206-223-2319",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "DEL RIO MONTESINOS",
"first_name": "TERESA",
"middle_name": "PILAR",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2019-08-31",
"last_updated": "2026-01-14",
"certification_date": "2026-01-14",
"status": "A"
},
"taxonomies": [
{
"code": "207RI0008X",
"taxonomy_group": "",
"desc": "Internal Medicine, Hepatology",
"state": "WA",
"license": "MD61409664",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "WA",
"license": "MD.MD.61409664",
"primary": false
},
{
"code": "207RI0008X",
"taxonomy_group": "",
"desc": "Internal Medicine, Hepatology",
"state": "PR",
"license": "23834",
"primary": true
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "PR",
"license": "23834",
"primary": false
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "116tdelrio@uccaribe.edu",
"affiliation": "N",
"endpointDescription": "Medical email address",
"use": "DIRECT",
"useDescription": "Direct",
"contentType": "CSV",
"contentTypeDescription": "CSV",
"address_1": "calle villamil 303",
"address_2": "Apt 1506",
"city": "San Juan",
"state": "PR",
"country_code": "US",
"postal_code": "00907",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Mayaguez, PR
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 14, 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.