Individual provider Active NPI

Sean S Bennett, D.O

  • Psychiatry Physician
  • Portland, OR
National Provider Identifier
1740644913
Registry record updated Jan 27, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
License
DO189680 Issued in OR
Practice address
2801 N Gantenbein Ave
Portland, OR 97227-1623
Phone
(503) 413-8949
NPI assigned
Apr 13, 2016
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 27, 2026

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatry Physician 2084P0800X 79056 MN
Psychiatry Physician 2084P0800X DO189680 OR Primary
Psychiatry Physician 2084P0800X 283754 MA
Psychiatry Physician 2084P0800X 22399 ND

Addresses

Primary practice location

2801 N Gantenbein Ave
Portland, OR 97227-1623

Mailing address

PO Box 3777
Portland, OR 97208-3777

Other practice location 1

42 Wright St
Palmer, MA 01069-1156
Phone (413) 370-5285

Other practice location 2

340 Thompson Rd
Webster, MA 01570-1509
Phone (508) 949-8932

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA, OR, CA, MN4 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 4

Enrollment IDStateProvider typePAC IDDetails
I20201020001132 MA Practitioner - Psychiatry 0749574929 Reassigns benefits to 2 organizations
I20240320000096 OR Practitioner - Psychiatry 0749574929 Reassigns benefits to 3 organizations
I20250923002738 CA Practitioner - Psychiatry 0749574929 Reassigns benefits to 1 organization
I20260313000381 MN Practitioner - Psychiatry 0749574929 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Psychiatry
Education
Other, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Umass Memorial Medical Group IncGroup PAC ID 4284539891, 2,494 clinicians
Asana Integrated Medical Group PCGroup PAC ID 0042124778, 24 clinicians

Practice addresses (Care Compare)

Corvallis, OR 97330
Phone (508) 949-8932

1611 Anne St NW
Bemidji, MN 56601-5114
Phone (218) 333-5000

1705 Anne St NW
Bemidji, MN 56601-6151
Phone (218) 333-5000

30 Mark W Springs Rd
Santa Rosa, CA 95403-1436
Phone (844) 496-9160

340 Thompson Rd
Webster, MA 01570-1509
Phone (508) 943-5132

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
79056MNMDPsychiatry Physician
22399NDMDPsychiatry Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Legacy Clinics LLC CurrentSince Jan 13, 2025 Accepting new patients
Asana Integrated Medical Group PC Psychiatry CurrentSince Jul 10, 2025 Accepting new patients
Sanford Health of Northern Minnesota CurrentSince Feb 2, 2026 Accepting new patients
Sanford Health of Northern Minnesota CurrentSince Feb 2, 2026 Accepting new patients
Sanford Bismarck CurrentSince Oct 25, 2024 Accepting new patients
Baystate Medical Practices, Inc Psychiatry CurrentSince Sep 14, 2020 Accepting new patients
Umass Memorial Medical Group, Inc. CurrentSince Dec 24, 2023 Accepting new patients
Umass Memorial Medical Group Inc Psychiatry CurrentSince Jan 6, 2024 Accepting new patients

Locations

2500 Grant Rd
Mountain View, CA 94040
Phone (650) 903-9500

5555 W Las Positas Blvd
Pleasanton, CA 94588
Phone (925) 416-3418

30 Mark West Springs Rd
Santa Rosa, CA 95403
Phone (707) 576-4000

275 Hospital Dr
Ukiah, CA 95482
Phone (707) 462-7900

1000 Nut Tree Rd
Vacaville, CA 95687
Phone (707) 446-4000

42 Wright St
Palmer, MA 01069
Phone (413) 284-5285

40 Wright St
Palmer, MA 01069
Phone (413) 284-5210

280 Chestnut St
Fl 2
Springfield, MA 01199
Phone (413) 788-4385

759 Chestnut St
Springfield, MA 01199
Phone (413) 794-3233

340 Thompson Rd
Webster, MA 01570
Phone (508) 943-2600

55 Lake Ave N
Worcester, MA 01655
Phone 508334100048862

1130 NW 22nd Ave
Ste 220
Portland, OR 97210
Phone (503) 413-4134

2801 N Gantenbein Ave
Portland, OR 97227
Phone (503) 413-2200

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 and National Provider Directory roles.

Hospital & facility affiliations 1

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": "1460505600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769472000000",
    "number": "1740644913",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 3777",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972083777"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2801 N GANTENBEIN AVE",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972271623",
            "telephone_number": "503-413-8949"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "42 Wright St",
            "address_purpose": "LOCATION",
            "city": "Palmer",
            "state": "MA",
            "postal_code": "010691156",
            "country_code": "US",
            "telephone_number": "413-370-5285",
            "fax_number": "413-370-5384",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "340 Thompson Rd",
            "address_purpose": "LOCATION",
            "city": "Webster",
            "state": "MA",
            "postal_code": "015701509",
            "country_code": "US",
            "telephone_number": "508-949-8932",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BENNETT",
        "first_name": "SEAN",
        "middle_name": "S",
        "credential": "D.O",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-04-13",
        "last_updated": "2026-01-27",
        "certification_date": "2026-01-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "MN",
            "license": "79056",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "OR",
            "license": "DO189680",
            "primary": true
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "MA",
            "license": "283754",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "ND",
            "license": "22399",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Portland, OR

Sources for this page

Verify at the official NPI Registry.