Individual provider Active NPI

Benjamin C Chen, MD

  • Infectious Disease Physician
  • Portland, OR
National Provider Identifier
1396236527
Registry record updated Jul 16, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Infectious Disease PhysicianTaxonomy code 207RI0200X
License
MD225247 Issued in OR
Practice address
3181 SW Sam Jackson Park Rd
Portland, OR 97239-3011
Phone
(503) 494-4971
Fax
(503) 494-4264
NPI assigned
May 23, 2018
Last updated
Jul 16, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 16, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X MD225247 OR
Internal Medicine Physician 207R00000X R-11134 IA
Infectious Disease Physician 207RI0200X A174229 CA
Infectious Disease Physician 207RI0200X MD225247 OR Primary

Addresses

Primary practice location

3181 SW Sam Jackson Park Rd
Portland, OR 97239-3011

Mailing address

3181 SW Sam Jackson Park Rd
Portland, OR 97239-3011
Phone (503) 494-4971

Other practice location 1

200 Hawkins Dr
Dept of Internal Medicine
Iowa City, IA 52242-1009
Phone (319) 467-2000

Other practice location 2

Division of Infectious Diseases
11234 Anderson Street MC 1503
Loma Linda, CA 92354-2804
Phone (909) 558-5945 ext. 55945

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, OR2 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
I20231002001593 CA Practitioner - Internal MedicinePractitioner - Infectious Disease 2163771601 Reassigns benefits to 2 organizations
I20250616002042 OR Practitioner - Infectious Disease 2163771601 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Infectious Disease
Education
Tulane University School of Medicine, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
University Professional ServicesGroup PAC ID 4880760107, 1,683 clinicians
Tuality Medical Group LLCGroup PAC ID 7416173414, 289 clinicians

Practice addresses (Care Compare)

3181 SW Sam Jackson Park Rd
Portland, OR 97239-3011
Phone (503) 494-8311

335 SE 8TH Ave
Hillsboro, OR 97123-4246
Phone (503) 681-1111

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
88.87 of 100Reported as group
Quality
72.13
Promoting interoperability
80
Improvement activities
40
Cost
77.36

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD225247ORMDInternal Medicine Physician
A174229CAMDInfectious Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Sac Health System CurrentSince Sep 2, 2023 Accepting new patients
Sac Health System Current Accepting new patients
University Professional Services CurrentSince Jul 1, 2025 Accepting new patients
University Professional Services CurrentSince Jul 1, 2025 Accepting new patients
Tuality Medical Group LLC Internal Medicine CurrentSince Jul 1, 2025 Accepting new patients
Faculty Physicians and Surgeons of Llusm Current Accepting new patients
Faculty Physicians and Surgeons of Llusm Current Accepting new patients
University Professional Services Current Accepting new patients
Faculty Physicians and Surgeons of Llusm Current Accepting new patients
Sac Health System CurrentSince Sep 2, 2023 Accepting new patients
Faculty Physicians and Surgeons of Llusm CurrentSince Sep 1, 2023 Accepting new patients
Tuality Medical Group LLC CurrentSince Jul 1, 2025 Accepting new patients
Faculty Physicians and Surgeons of Llusm CurrentSince Sep 1, 2023 Accepting new patients
University Professional Services Past Accepting new patients
Faculty Physicians and Surgeons of Llusm Past Accepting new patients

Locations

81 Highland Springs Ave
Ste 103
Beaumont, CA 92223
Phone (909) 558-2830

82934 Civic Center Dr
Indio, CA 92201
Phone (760) 477-0733

11234 Anderson St
#1503
Loma Linda, CA 92350
Phone (909) 558-4074

11234 Anderson St
#A600
Loma Linda, CA 92350
Phone (909) 558-2824

11370 Anderson St
#3650
Loma Linda, CA 92354

11370 Anderson St
#B100
Loma Linda, CA 92354
Phone (909) 558-2848

11370 Anderson St
Ste 1800
Loma Linda, CA 92354
Phone (909) 558-2154

11370 Anderson St
Ste 2600
Loma Linda, CA 92354
Phone (909) 558-2890

25455 Barton Rd
Ste 108A
Loma Linda, CA 92354
Phone (909) 558-1617

File Number 54701
Los Angeles, CA 90074
Phone (909) 651-4300

1455 3rd Ave
Sn Bernrdno, CA 92408
Phone (909) 382-7146

901 San Bernardino Rd
Ste 104
Upland, CA 91786
Phone (909) 542-2779

15700 SW Greystone Ct
Beaverton, OR 97006
Phone (503) 203-1000

335 SE 8th Ave
Hillsboro, OR 97123
Phone (503) 681-1111

3181 SW Sam Jackson Park Rd
Portland, OR 97239
Phone (503) 494-5674

Interoperability endpoints

  • Direct secure messaging: bchen197923@direct.ohsu.edu
  • Direct secure messaging: bchen852255@direct.llu.edu

Organizations & group practices 15

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 15

Hospital & facility affiliations 14

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

View all 14

NPI Registry JSON

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

{
    "created_epoch": "1527033600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752624000000",
    "number": "1396236527",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3181 SW SAM JACKSON PARK RD",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972393011",
            "telephone_number": "503-494-4971",
            "fax_number": "503-494-4264"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3181 SW SAM JACKSON PARK RD",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972393011",
            "telephone_number": "503-494-4971",
            "fax_number": "503-494-4264"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "200 Hawkins Dr",
            "address_2": "Dept of Internal Medicine",
            "address_purpose": "LOCATION",
            "city": "Iowa City",
            "state": "IA",
            "postal_code": "522421009",
            "country_code": "US",
            "telephone_number": "319-467-2000",
            "fax_number": "319-384-8955",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "Division of Infectious Diseases",
            "address_2": "11234 Anderson Street MC 1503",
            "address_purpose": "LOCATION",
            "city": "Loma Linda",
            "state": "CA",
            "postal_code": "923542804",
            "country_code": "US",
            "telephone_number": "909-558-5945 x55945",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHEN",
        "first_name": "BENJAMIN",
        "middle_name": "C",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-05-23",
        "last_updated": "2025-07-16",
        "certification_date": "2025-07-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OR",
            "license": "MD225247",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IA",
            "license": "R-11134",
            "primary": false
        },
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "CA",
            "license": "A174229",
            "primary": false
        },
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "OR",
            "license": "MD225247",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Portland, OR

Sources for this page

Verify at the official NPI Registry.