Individual provider Active NPI

Maria Ximena Traa Kiely, MD MPH

  • Surgery Physician
  • Arlington, VA
National Provider Identifier
1760776041
Registry record updated Dec 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
0101284860 Issued in VA
Practice address
4102 Wilson Blvd
Arlington, VA 22203-1802
Phone
(703) 462-1777
NPI assigned
Jun 5, 2011
Last updated
Dec 17, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 17, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Colon & Rectal Surgery Physician 208C00000X MD188947 OR
Surgery Physician 208600000X 0101284860 VA Primary
Surgery Physician 208600000X D0103035 MD
Surgery Physician 208600000X 248886 MA

Addresses

Primary practice location

4102 Wilson Blvd
Arlington, VA 22203-1802

Mailing address

6201 Greenleigh Ave
Middle River, MD 21220-2004
Phone (410) 933-0000

Other practice location 1

6420 Rockledge Dr Ste 4200
Bethesda, MD 20817-7847
Phone (301) 896-6840

Other practice location 2

5255 Loughboro Rd NW
Washington, DC 20016-2633
Phone (202) 537-4000

Other practice location 3

1111 NE 99th Ave Ste 301
Portland, OR 97220-9442
Phone (503) 281-0561

Other practice location 4

4805 NE Glisan St Ste 6N60
Portland, OR 97213
Phone (503) 281-0561

Other practice location 5

3181 SW Sam Jackson Park Rd
Portland, OR 97239-3011
Phone (503) 494-1502

Other practice location 6

9155 SW Barnes Rd Ste 735
Portland, OR 97225-6634
Phone (503) 281-0561

Other identifiers 2

IdentifierTypeStateIssuer
2085235MedicaidWA
500729766MedicaidOR

Other names 1

  • Maria Ximena Traa Former name

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address cc_otoc_cas_front_desk_pool12223192@oc.providencedirect.org The Oregon Clinic PC

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OR, DC2 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
I20180827001869 OR Practitioner - Colorectal Surgery (Proctology) 8022332246 Reassigns benefits to 3 organizations
I20250710003201 DC Practitioner - Colorectal Surgery (Proctology) 8022332246 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Colorectal Surgery (Proctology)
Education
Other, 2010
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

14207 Park Ctr Dr
Suite 102
Laurel, MD 20707-5255
Phone (301) 604-5254

4102 Wilson Blvd
Arlington, VA 22203-1802
Phone (703) 462-1777

5215 Loughboro Rd NW
Washington, DC 20016-2618
Phone (202) 243-4480

5255 Loughboro Rd NW
Washington, DC 20016-2633
Phone (202) 537-4000

6410 Rockledge Dr
Bethesda, MD 20817-1844

8600 Old Georgetown Rd
Bethesda, MD 20814-1422
Phone (301) 896-3100

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
93.65 of 100Reported as group
Quality
86.8
Promoting interoperability
100
Improvement activities
40
Cost
86.36

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy43
Skin biopsy1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
248886MAMDSurgery Physician
D0103035MDMDSurgery Physician
MD188947ORMDColon & Rectal Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Providence Health & Services - Oregon CurrentSince Nov 1, 2018 Accepting new patients
Providence Health & Services - Oregon Current Accepting new patients
Johns Hopkins Community Physicians, Inc CurrentSince Jun 1, 2025 Accepting new patients
The Oregon Clinic PC CurrentSince Aug 1, 2018 Accepting new patients
The Oregon Clinic, PC CurrentSince Aug 1, 2018 Accepting new patients
Johns Hopkins Community Physicians CurrentSince Jun 1, 2025 Accepting new patients
Providence Health & Services Oregon CurrentSince Nov 1, 2018 Accepting new patients
Providence Health & Services - Oregon CurrentSince Nov 1, 2018 Accepting new patients

Locations

5255 Loughboro Rd NW
Washington, DC 20016
Phone (202) 243-2280

14207 Park Center Dr
Ste 102
Laurel, MD 20707
Phone (301) 604-5254

6201 Greenleigh Ave
Middle River, MD 21220
Phone (410) 933-2704

1111 NE 99th Ave
Ste 301
Portland, OR 97220
Phone (503) 963-2707

4805 NE Glisan St
Portland, OR 97213
Phone (503) 215-1111

4805 NE Glisan St
Ste 6N60
Portland, OR 97213
Phone (503) 281-0561

5050 NE Hoyt St
Ste 655
Portland, OR 97213
Phone (503) 239-6673

541 NE 20th Ave
Ste 225
Portland, OR 97232
Phone (503) 963-2801

847 NE 19th Ave
Ste 300
Portland, OR 97232

9155 SW Barnes Rd
Ste 735
Portland, OR 97225
Phone (503) 281-0561

9205 SW Barnes Rd
Portland, OR 97225
Phone (503) 216-1234

4102 Wilson Blvd
Arlington, VA 22203
Phone (703) 462-1777

Interoperability endpoints

  • Direct secure messaging: mkiely1357677@direct.hopkinsmedicine.org
  • Direct secure messaging: mkiely819951@oc.providencedirect.org

Organizations & group practices 10

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 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": "1307232000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765929600000",
    "number": "1760776041",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6201 GREENLEIGH AVE",
            "city": "MIDDLE RIVER",
            "state": "MD",
            "postal_code": "212202004",
            "telephone_number": "410-933-0000",
            "fax_number": "503-963-2825"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4102 WILSON BLVD",
            "city": "ARLINGTON",
            "state": "VA",
            "postal_code": "222031802",
            "telephone_number": "703-462-1777"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "6420 Rockledge Dr Ste 4200",
            "address_purpose": "LOCATION",
            "city": "Bethesda",
            "state": "MD",
            "postal_code": "208177847",
            "country_code": "US",
            "telephone_number": "301-896-6840",
            "fax_number": "301-530-7989",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "5255 Loughboro Rd NW",
            "address_purpose": "LOCATION",
            "city": "Washington",
            "state": "DC",
            "postal_code": "200162633",
            "country_code": "US",
            "telephone_number": "202-537-4000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1111 NE 99th Ave Ste 301",
            "address_purpose": "LOCATION",
            "city": "Portland",
            "state": "OR",
            "postal_code": "972209442",
            "country_code": "US",
            "telephone_number": "503-281-0561",
            "fax_number": "503-416-7377",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4805 NE Glisan St Ste 6N60",
            "address_purpose": "LOCATION",
            "city": "Portland",
            "state": "OR",
            "postal_code": "97213",
            "country_code": "US",
            "telephone_number": "503-281-0561",
            "fax_number": "503-416-7377",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3181 SW Sam Jackson Park Rd",
            "address_purpose": "LOCATION",
            "city": "Portland",
            "state": "OR",
            "postal_code": "972393011",
            "country_code": "US",
            "telephone_number": "503-494-1502",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "9155 SW Barnes Rd Ste 735",
            "address_purpose": "LOCATION",
            "city": "Portland",
            "state": "OR",
            "postal_code": "972256634",
            "country_code": "US",
            "telephone_number": "503-281-0561",
            "fax_number": "503-416-7377",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KIELY",
        "first_name": "MARIA",
        "middle_name": "XIMENA TRAA",
        "name_prefix": "Dr.",
        "credential": "MD MPH",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2011-06-05",
        "last_updated": "2025-12-17",
        "certification_date": "2025-12-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208C00000X",
            "taxonomy_group": "",
            "desc": "Colon & Rectal Surgery",
            "state": "OR",
            "license": "MD188947",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "VA",
            "license": "0101284860",
            "primary": true
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "MD",
            "license": "D0103035",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "MA",
            "license": "248886",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2085235",
            "state": "WA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "500729766",
            "state": "OR"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "cc_otoc_cas_front_desk_pool12223192@oc.providencedirect.org",
            "affiliation": "Y",
            "affiliationName": "The Oregon Clinic PC",
            "address_1": "4805 NE Glisan St Ste 6N60",
            "city": "Portland",
            "state": "OR",
            "country_code": "US",
            "postal_code": "97213",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "MARIA",
            "last_name": "TRAA",
            "middle_name": "XIMENA",
            "credential": "MD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Arlington, VA

Sources for this page

Verify at the official NPI Registry.