Individual provider Active NPI

Teresa Pilar Del Rio Montesinos, MD

  • Hepatology Physician
  • Mayaguez, PR
National Provider Identifier
1154979235
Registry record updated Jan 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hepatology PhysicianTaxonomy code 207RI0008X
License
23834 Issued in PR
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

Updated by the provider on Jan 14, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
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

TypeEndpointUseAffiliation
Direct Messaging Address 116tdelrio@uccaribe.edu Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WA, PR2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20230613001684 WA Practitioner - GastroenterologyPractitioner - Internal MedicinePractitioner - Other (Physician)Practitioner - Hospitalist 5294192845 Reassigns benefits to 2 organizations
I20240716001166 PR Practitioner - Internal Medicine 5294192845 Practice locations: Mayaguez, PR

Care Compare profile

Medicare Care Compare
Specialty
GastroenterologyAlso: Hospitalist, Internal Medicine
Education
Other, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Virginia Mason Medical CenterGroup PAC ID 9830002617, 867 clinicians

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

LicenseStateTypeSpecialty
23834PRMDInternal Medicine Physician
MD.MD.61409664WAMDInternal Medicine Physician
MD61409664WAMDHepatology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Virginia Mason Medical Center CurrentSince Jul 27, 2023 Accepting new patients
RDF,CSP CurrentSince Nov 7, 2025 Accepting new patients
Virginia Mason Medical Center CurrentSince Jul 27, 2023 Accepting new patients
Signify Health Medical Associates, PLLC CurrentSince Mar 30, 2025 Accepting new patients
Virginia Mason Medical Center Current Accepting new patients
Del Rio Y Montesinos CSP Internal Medicine PastSince Nov 7, 2025 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

  • FHIR API: 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.

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

Verify at the official NPI Registry.