NPIMap

Individual provider Active NPI

Aaron T Sasaki, MD

  • Internal Medicine Physician
  • Astoria, OR
National Provider Identifier
1740372648
Registry record updated Oct 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
MD26759 Issued in OR
Practice address
1355 Exchange St Ste 3
Astoria, OR 97103-3981
Phone
(503) 338-4325
Fax
(503) 338-2903
NPI assigned
Sep 28, 2006
Last updated
Oct 17, 2025By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 17, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X MD26759 OR Primary

Addresses

Primary practice location

1355 Exchange St Ste 3
Astoria, OR 97103-3981

Mailing address

1355 Exchange St Ste 3
Astoria, OR 97103-3981
Phone (503) 338-4325

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20061026000589 OR Practitioner - Internal Medicine 4385641752 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Oregon Health Sciences University School of Medicine, 2002
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services

Practice addresses (Care Compare)

441 30TH St
Astoria, OR 97103-2807
Phone (503) 338-4325

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
84.52 of 100Reported as individual
Quality
82.48
Improvement activities
40
Cost
71.75

Procedures performed for Medicare patients

ProcedureNumber of procedures
Melanoma (skin cancer) excision1-10
Removal of skin lesions89
Removal of nail tissue1-10
Skin biopsy31

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
HHS exclusion list flag
CMS’s directory marks this NPI as on an HHS exclusion list; no matching OIG record was found. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
MD26759ORMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Aaron T. Sasaki, MD, PC Internal Medicine CurrentSince Feb 1, 2010 Accepting new patients

Locations

1355 Exchange St
Ste 3
Astoria, OR 97103
Phone (503) 338-4325

2095 Exchange St
Ste 202
Astoria, OR 97103
Phone (503) 338-4325

441 30th St
Astoria, OR 97103
Phone (503) 338-2993

Organizations & group practices 1

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 10

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

NPI Registry JSON

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

{
    "created_epoch": "1159401600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760659200000",
    "number": "1740372648",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1355 EXCHANGE ST STE 3",
            "city": "ASTORIA",
            "state": "OR",
            "postal_code": "971033981",
            "telephone_number": "503-338-4325",
            "fax_number": "503-338-2903"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1355 EXCHANGE ST STE 3",
            "city": "ASTORIA",
            "state": "OR",
            "postal_code": "971033981",
            "telephone_number": "503-338-4325",
            "fax_number": "503-338-2903"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SASAKI",
        "first_name": "AARON",
        "middle_name": "T",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-09-28",
        "last_updated": "2025-10-17",
        "certification_date": "2025-10-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OR",
            "license": "MD26759",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Astoria, OR

Sources for this page

Verify at the official NPI Registry.