Individual provider Active NPI

Alfredo Javier Aguirre, M.D.

  • Rheumatology Physician
  • Portland, OR
National Provider Identifier
1184019267
Registry record updated Aug 27, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Rheumatology PhysicianTaxonomy code 207RR0500X
License
MD227088 Issued in OR
Practice address
3181 SW Sam Jackson Park Rd
Portland, OR 97239-3011
Phone
(503) 494-8637
Fax
(503) 494-1022
NPI assigned
Apr 5, 2015
Last updated
Aug 27, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 27, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Rheumatology Physician 207RR0500X MD227088 OR Primary
Internal Medicine Physician 207R00000X A145432 CA

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) 494-8637

Other practice location 1

Ucsf
505 Parnassus Ave., Rm. 987
San Francisco, CA 94143-0119
Phone (404) 594-1637

Other practice location 2

513 Parnassus Ave.
Box#0500
San Francisco, CA 94143
Phone (415) 750-2104

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
I20180618003378 CA Practitioner - RheumatologyPractitioner - Internal Medicine 8820343759 Reassigns benefits to 3 organizations
I20250826003969 OR Practitioner - Rheumatology 8820343759 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Rheumatology
Education
Emory University School of Medicine, 2015
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

Practice addresses (Care Compare)

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

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
81.03 of 100Reported as subgroup
Quality
80.86
Promoting interoperability
76
Improvement activities
40
Cost
75.91

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A145432CAMDInternal Medicine Physician
MD227088ORMDRheumatology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University Professional Services CurrentSince Jul 28, 2025 Accepting new patients
Regents Univ of California UCSF Internal Medicine CurrentSince Apr 17, 2024 Accepting new patients
University Professional Services CurrentSince Jul 28, 2025 Accepting new patients
University of California San Francisco Current Accepting new patients
University of California San Francisco Medical Center Past Accepting new patients
University Professional Services Past Accepting new patients
Regents of the University of California Rheumatology Past Accepting new patients

Locations

400 Parnassus Ave
#A632
San Francisco, CA 94143
Phone (415) 473-1000

505 Parnassus Ave
San Francisco, CA 94143
Phone (415) 476-9058

505 Parnassus Ave
Rm 987
San Francisco, CA 94143
Phone (415) 476-1528

4000 Civic Center Dr
Ste 200A
San Rafael, CA 94903
Phone (415) 444-0300

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

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

Interoperability endpoints

  • Direct secure messaging: aaguirre199721@direct.ohsu.edu
  • Direct secure messaging: aaguirre72349@direct-ucsfmedicalcenter.org

Organizations & group practices 9

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.

Hospital & facility affiliations 19

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

View all 19

NPI Registry JSON

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

{
    "created_epoch": "1428192000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756252800000",
    "number": "1184019267",
    "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": "503-494-8637",
            "fax_number": "503-494-1022"
        },
        {
            "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": "503-494-8637",
            "fax_number": "503-494-1022"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "Ucsf",
            "address_2": "505 Parnassus Ave., Rm. 987",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941430119",
            "country_code": "US",
            "telephone_number": "404-594-1637",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "513 Parnassus Ave.",
            "address_2": "Box#0500",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "94143",
            "country_code": "US",
            "telephone_number": "415-750-2104",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "AGUIRRE",
        "first_name": "ALFREDO",
        "middle_name": "JAVIER",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-04-05",
        "last_updated": "2025-08-27",
        "certification_date": "2025-08-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "OR",
            "license": "MD227088",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A145432",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Portland, OR

Sources for this page

Verify at the official NPI Registry.