NPIMap

Individual provider Active NPI

Jefferson Tiu Loa, M.D.

  • Internal Medicine Physician
  • Corvallis, OR
National Provider Identifier
1336304773
Registry record updated May 17, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
MD176888 Issued in OR
Practice address
3600 NW Samaritan Dr
Corvallis, OR 97330-5472
Phone
(541) 768-5111
NPI assigned
Jul 24, 2008
Last updated
May 17, 2022By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 17, 2022

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 125054001 IL
Internal Medicine Physician 207R00000X MD176888 OR Primary

Addresses

Primary practice location

3600 NW Samaritan Dr
Corvallis, OR 97330-5472

Mailing address

PO Box 1189
Corvallis, OR 97339-1189

Other practice location 1

890 Oak St SE
Salem, OR 97301-3905
Phone (503) 561-5200

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address jloa236550@samhealth.direct-ci.com

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OR, WA, AZ3 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20160816002714 OR Practitioner - Internal Medicine 7416122775 Reassigns benefits to 12 organizations
I20221013001971 WA Practitioner - HospitalistPractitioner - Internal Medicine 7416122775 Reassigns benefits to 1 organization
I20230322000476 AZ Practitioner - Hospitalist 7416122775

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2005
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Good Samaritan Hospital CorvallisGroup PAC ID 1557270725, 372 clinicians

Practice addresses (Care Compare)

3600 NW Samaritan Dr
Corvallis, OR 97330-3737

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
91.14 of 100Reported as group
Quality
85.78
Promoting interoperability
100
Improvement activities
40
Cost
78.31

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
125054001ILMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Albany General Hospital Current Accepting new patients
Samaritan Pacific Health Services, Inc CurrentSince Apr 27, 2022 Accepting new patients
Samaritan Pacific Health Services, Inc. CurrentSince Apr 27, 2022 Accepting new patients
Altea Medical Oregon LLC Internal Medicine CurrentSince Dec 5, 2024 Accepting new patients
Kaiser Foundation Health Plan of the Northwest Internal Medicine CurrentSince Sep 26, 2022 Accepting new patients
Salem Health CurrentSince Jun 27, 2016 Accepting new patients
Albany General Hospital CurrentSince Apr 27, 2022 Accepting new patients
Samaritan North Lincoln Hospital CurrentSince Apr 27, 2022 Accepting new patients
Good Samaritan Hospital Corvallis CurrentSince Apr 27, 2022 Accepting new patients
Mid-Valley Healthcare, Inc. CurrentSince Apr 27, 2022 Accepting new patients
Salem Health CurrentSince Jun 27, 2016 Accepting new patients
App of Southern Arizona HM LLC CurrentSince Mar 16, 2023 Accepting new patients
Mid-Valley Healthcare Inc Current Accepting new patients
Good Samaritan Hospital Corvallis CurrentSince Apr 27, 2022 Accepting new patients
Post Acute Medical PLLC Internal Medicine CurrentSince Jun 28, 2025 Accepting new patients
Mid-Valley Healthcare Inc CurrentSince Apr 27, 2022 Accepting new patients
Samaritan Pacific Health Services, Inc Current Accepting new patients
Samaritan North Lincoln Hospital CurrentSince Apr 27, 2022 Accepting new patients
Albany General Hospital CurrentSince Apr 27, 2022 Accepting new patients
Kaiser Foundation Health Plan of the Northwest CurrentSince Sep 26, 2022 Accepting new patients
Good Samaritan Hospital Corvallis Current Accepting new patients
Ucm Medical Group Sub, LLC Internal Medicine Past Accepting new patients
Olympia Fields Eyecare, LTD. Past Accepting new patients
Specialty Physicians of Illinois, LLC PastSince Mar 5, 2023 Accepting new patients
Franciscan Physician Network Past Accepting new patients

Locations

400 E Rivulon Blvd
Ste 103
Gilbert, AZ 85297

1551 E Tangerine Rd
Oro Valley, AZ 85755
Phone (520) 901-3500

6200 N La Cholla Blvd
Tucson, AZ 85741
Phone (520) 229-2657

705 Elm St SW
Ste 200
Albany, OR 97321
Phone (541) 812-4850

10100 SE Sunnyside Rd
Clackamas, OR 97015
Phone (503) 571-2946

10180 SE Sunnyside Rd
Clackamas, OR 97015
Phone (503) 571-2880

3600 NW Samaritan Dr
Corvallis, OR 97330
Phone (541) 768-4906

3600 NW Samaritan Dr
Ste 227
Corvallis, OR 97330
Phone (541) 768-1261

1250 SE Roberts Ave
Gresham, OR 97080
Phone (503) 667-5430

1601 Monmouth St
Ste 100
Independence, OR 97351
Phone (503) 623-8301

530 Birch St
Junction City, OR 97448
Phone (541) 998-2395

325 Park St
Lebanon, OR 97355
Phone (541) 451-7200

3043 NE 28th St
Lincoln City, OR 97367
Phone (541) 994-3661

637 Ash St
Myrtle Point, OR 97458
Phone (541) 572-2066

930 SW Abbey St
Newport, OR 97365
Phone (541) 265-2244

127 NE 102nd Ave
Ste A
Portland, OR 97220
Phone (541) 998-2395

7201 N Interstate Ave
Portland, OR 97217
Phone (503) 240-4051

1049 Edgewater St NW
#150
Salem, OR 97304
Phone (503) 814-3343

2400 Lancaster Dr NE
Salem, OR 97305
Phone (503) 361-5400

665 Winter St SE
Salem, OR 97301
Phone (503) 370-5634

875 Oak St SE
Salem, OR 97301
Phone (503) 561-5719

890 Oak St SE
Salem, OR 97301
Phone (503) 585-0830

5121 Maryland Way
Ste 300
Brentwood, TN 37027
Phone (615) 436-6556

1230 7th Ave
Longview, WA 98632
Phone (360) 575-4801

7101 NE 137th Ave
Vancouver, WA 98682
Phone (360) 418-6000

Interoperability endpoints

  • Direct secure messaging: jloa236550@samhealth.direct-ci.com
  • Direct secure messaging: jloa735464@direct.peacehealth.org

Ownership & related parties

All facility ownership & control disclosures 1

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

FacilityTypeRoleSince
Agape Hospice NWClackamas, OR, CCN 381577 Hospice Contracted Managing Employee Jun 6, 2024

Owned or controlled facilities with NPI records 1

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

Organizations & group practices 25

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.

View all 25

Hospital & facility affiliations 25

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

View all 25

NPI Registry JSON

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

{
    "created_epoch": "1216857600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1652745600000",
    "number": "1336304773",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1189",
            "city": "CORVALLIS",
            "state": "OR",
            "postal_code": "973391189"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3600 NW SAMARITAN DR",
            "city": "CORVALLIS",
            "state": "OR",
            "postal_code": "973305472",
            "telephone_number": "541-768-5111"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "890 Oak St SE",
            "address_purpose": "LOCATION",
            "city": "Salem",
            "state": "OR",
            "postal_code": "973013905",
            "country_code": "US",
            "telephone_number": "503-561-5200",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LOA",
        "first_name": "JEFFERSON",
        "middle_name": "TIU",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-07-24",
        "last_updated": "2022-05-17",
        "certification_date": "2022-05-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "125054001",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OR",
            "license": "MD176888",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jloa236550@samhealth.direct-ci.com",
            "affiliation": "N",
            "address_1": "3600 NW Samaritan Dr",
            "city": "Corvallis",
            "state": "OR",
            "country_code": "US",
            "postal_code": "973305472",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Corvallis, OR

Sources for this page

Verify at the official NPI Registry.