Individual provider Active NPI

Grace Mavromatis

  • Clinical Social Worker
  • Portland, OR
National Provider Identifier
1013449271
Registry record updated Apr 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
L10996 Issued in OR
Practice address
5441 S Macadam Ave # 5450
Portland, OR 97239-6106
Phone
(541) 900-4285
NPI assigned
Mar 28, 2017
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 16, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X L10996 OR Primary

Addresses

Primary practice location

5441 S Macadam Ave # 5450
Portland, OR 97239-6106

Mailing address

5441 S Macadam Ave # 5450
Portland, OR 97239-6106

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OR
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: No
  • Power mobility devices: No
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20220624000980 OR Practitioner - Clinical Social Worker 4082093844 Reassigns benefits to 1 organization

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
County of Clackamas Office of County Auditor CurrentSince May 20, 2022 Accepting new patients
Clackamas County CurrentSince Jun 1, 2022 Accepting new patients
Grace Mavromatis, LLC Clinical Current Accepting new patients
Lifeworks NW PastSince Jun 19, 2017 Accepting new patients
Roseburg Therapy LLC Clinical PastSince Sep 28, 2025 Accepting new patients

Locations

2051 Kaen Rd
Ste 367
Oregon City, OR 97045
Phone (503) 742-5300

998 Courthouse Rd
Oregon City, OR 97045
Phone (503) 655-8470

5441 S Macadam Ave
Portland, OR 97239
Phone (541) 402-8932

39740 Pleasant St
Sandy, OR 97055
Phone (503) 563-7679

Organizations & group practices 5

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": "1490659200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776297600000",
    "number": "1013449271",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5441 S MACADAM AVE # 5450",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972396106"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5441 S MACADAM AVE # 5450",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972396106",
            "telephone_number": "541-900-4285"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAVROMATIS",
        "first_name": "GRACE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-03-28",
        "last_updated": "2026-04-16",
        "certification_date": "2026-04-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "OR",
            "license": "L10996",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Portland, OR

Sources for this page

Verify at the official NPI Registry.