Individual provider Active NPI

Nilana Sowbagya Gunasekaran, M.D.

  • Family Medicine Physician
  • Portland, OR
National Provider Identifier
1942393673
Registry record updated Jul 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
MD25170 Issued in OR
Practice address
3550 N Interstate Ave
Portland, OR 97227-1043
Phone
(503) 285-9321
NPI assigned
Oct 2, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 23, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X MD60662861 WA
Family Medicine Physician 207Q00000X MD25170 OR Primary

Addresses

Primary practice location

3550 N Interstate Ave
Portland, OR 97227-1043

Mailing address

500 NE Multnomah St Ste 100
Portland, OR 97232-2031

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OR, WA2 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
I20040823000335 OR Practitioner - Family Practice 5890769293 Reassigns benefits to 1 organization
I20200227000820 WA Practitioner - Family Practice 5890769293 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Georgetown University School of Medicine, 1998
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Kaiser Foundation Health Plan of the NorthwestGroup PAC ID 5799688230, 1,805 clinicians

Practice addresses (Care Compare)

10100 SE Sunnyside Rd
Clackamas, OR 97015-8970
Phone (800) 813-2000

10180 SE Sunnyside Rd
Clackamas, OR 97015-8970
Phone (800) 813-2000

3500 N Interstate Ave
Portland, OR 97227-1196
Phone (800) 813-2000

3550 N Interstate Ave
Portland, OR 97227-1196
Phone (800) 813-2000

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Kaiser Foundation Health Plan of the Northwest CurrentSince Aug 4, 2010 Accepting new patients
Kaiser Foundation Health Plan of the Northwest Family Medicine CurrentSince Aug 4, 2010 Accepting new patients

Locations

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

3550 N Interstate Ave
Portland, OR 97227
Phone (503) 285-9321

500 NE Multnomah St
Ste 100
Portland, OR 97232
Phone (503) 499-5200

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

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

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

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

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1159747200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784764800000",
    "number": "1942393673",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "500 NE MULTNOMAH ST STE 100",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972322031"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3550 N INTERSTATE AVE",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972271043",
            "telephone_number": "503-285-9321"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GUNASEKARAN",
        "first_name": "NILANA",
        "middle_name": "SOWBAGYA",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-10-02",
        "last_updated": "2026-07-23",
        "certification_date": "2026-07-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "WA",
            "license": "MD60662861",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "OR",
            "license": "MD25170",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Portland, OR

Sources for this page

Verify at the official NPI Registry.