NPIMap

Individual provider Active NPI

Xiomara Michelle Castillo Rivera, MD

  • Internal Medicine Physician
  • Newport, OR
National Provider Identifier
1740866599
Registry record updated Feb 11, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
MD227151 Issued in OR
Practice address
36 SW Nye St
Newport, OR 97365-3821
Phone
(541) 265-4947
NPI assigned
Mar 22, 2021
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 11, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 26810 NV
Internal Medicine Physician 207R00000X 75107 AZ
Internal Medicine Physician 207R00000X MD227151 OR Primary

Addresses

Primary practice location

36 SW Nye St
Newport, OR 97365-3821

Mailing address

745 W Moana LN Ste 300
Reno, NV 89509-4980
Phone (775) 327-5471

Other practice location 1

745 W Moana Ln Ste 300
Reno, NV 89509-4980
Phone (775) 327-5471

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
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Ponce School of Medicine, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
County of LincolnGroup PAC ID 3375439862, 28 clinicians

Practice addresses (Care Compare)

1105 SE Jetty Ave
Suite C
Lincoln City, OR 97367-2604
Phone (541) 265-4947

36 SW Nye St
Newport, OR 97365-3821
Phone (541) 265-4947

36 Swnye St
Newport, OR 97365-3821

Hospital & facility affiliations

  • Samaritan North Lincoln Hospital Hospital, Lincoln City, OR, CCN 381302
  • Samaritan Pacific Community Hospital Hospital, Newport, OR, CCN 381314

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
75107AZMDInternal Medicine Physician
26810NVMDInternal Medicine Physician
MD227151ORMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
County of Lincoln CurrentSince Oct 27, 2025 Accepting new patients
County of Lincoln CurrentSince Oct 27, 2025 Accepting new patients

Locations

1105 SE Jetty Ave
Ste C
Lincoln City, OR 97367
Phone (503) 965-6555

36 SW Nye St
Newport, OR 97365
Phone (541) 265-0445

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.

Hospital & facility affiliations 21

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 21

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1616371200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770768000000",
    "number": "1740866599",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "745 W MOANA LN STE 300",
            "city": "RENO",
            "state": "NV",
            "postal_code": "895094980",
            "telephone_number": "775-327-5471"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "36 SW NYE ST",
            "city": "NEWPORT",
            "state": "OR",
            "postal_code": "973653821",
            "telephone_number": "541-265-4947"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "745 W Moana Ln Ste 300",
            "address_purpose": "LOCATION",
            "city": "Reno",
            "state": "NV",
            "postal_code": "895094980",
            "country_code": "US",
            "telephone_number": "775-327-5471",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CASTILLO RIVERA",
        "first_name": "XIOMARA",
        "middle_name": "MICHELLE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2021-03-22",
        "last_updated": "2026-02-11",
        "certification_date": "2026-02-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NV",
            "license": "26810",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "AZ",
            "license": "75107",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OR",
            "license": "MD227151",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Newport, OR

Sources for this page

Verify at the official NPI Registry.