NPIMap

Individual provider Active NPI

Colin T Iosso, MD

  • Neurology Physician
  • Tacoma, WA
National Provider Identifier
1538137484
Registry record updated Feb 28, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neurology PhysicianTaxonomy code 2084N0400X
License
MD60201685 Issued in WA
Practice address
1608 S J St FL 5
Tacoma, WA 98405-4930
Phone
(253) 274-7505
NPI assigned
Mar 8, 2006
Last updated
Feb 28, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 28, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Neurology Physician 2084N0400X MD60201685 WA Primary
Neurology Physician 2084N0400X M7291 TX
Neurology Physician 2084N0400X 39851 TN

Addresses

Primary practice location

1608 S J St FL 5
Tacoma, WA 98405-4930

Mailing address

1608 S J St FL 5
Tacoma, WA 98405-4930
Phone (253) 274-7505

Other practice location 1

710 Birchwood Ave Ste 201
Bellingham, WA 98225-1720
Phone (360) 788-6870

Other identifiers 2

IdentifierTypeStateIssuer
2011519MedicaidWA
0301450OtherWASTATE L&I

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address ciosso28546@fhsce.catholichealth.net Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WA
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
I20110307000674 WA Practitioner - Neurology 6800832007 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Neurology
Education
Other, 1988
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Public Hospital Dist No 1 SkagitGroup PAC ID 6800793522, 321 clinicians
Franciscan Medical GroupGroup PAC ID 0547173866, 1,400 clinicians

Practice addresses (Care Compare)

1400 E Kincaid St
Mount Vernon, WA 98274-4127
Phone (360) 428-2500

1608 S J St
FL 5
Tacoma, WA 98405-4930
Phone (253) 274-7505

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
39851TNMDPharmacist
M7291TXMDNeurology Physician
MD60201685WAMDNeurology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Public Hospital Dist No 1 Skagit Current Accepting new patients
Public Hospital Dist No 1 Skagit CurrentSince Nov 17, 2025 Accepting new patients
Franciscan Medical Group Current Accepting new patients
Legacy Salmon Creek Hospital CurrentSince Sep 12, 2022 Accepting new patients
Franciscan Medical Group CurrentSince Mar 1, 2014 Accepting new patients
Legacy Salmon Creek Hospital CurrentSince Sep 12, 2022 Accepting new patients
Central Washington Health Services Association Current Accepting new patients
Public Hospital Dist No 1 Skagit CurrentSince Nov 17, 2025 Accepting new patients
Mid Cities Neurology Associates, P.a. Neurology Past Accepting new patients
Mary Black Health System LLC Past Accepting new patients

Locations

16233 Sylvester Rd SW
Ste 260
Burien, WA 98166
Phone (206) 244-3363

34503 9th Ave S
Ste 130
Federal Way, WA 98003
Phone (253) 835-5340

1400 E Kincaid St
Mount Vernon, WA 98274
Phone (360) 428-2586

11311 Bridgeport Way SW
Ste 100
Tacoma, WA 98499
Phone (253) 581-6688

1812 S J St
Ste 120
Tacoma, WA 98405
Phone (253) 428-2200

2121 NE 139th St
Ste 360
Vancouver, WA 98686
Phone (360) 213-0085

2211 NE 139th St
Vancouver, WA 98686
Phone (360) 397-1985

933 Red Apple Rd
Wenatchee, WA 98801
Phone (509) 655-6125

Interoperability endpoints

  • Direct secure messaging: ciosso101291@edirect.chehr.org
  • Direct secure messaging: ciosso28546@fhsce.catholichealth.net
  • Direct secure messaging: ciosso78795@skagit.direct-ci.com

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 8

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": "1141776000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1740700800000",
    "number": "1538137484",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1608 S J ST FL 5",
            "city": "TACOMA",
            "state": "WA",
            "postal_code": "984054930",
            "telephone_number": "253-274-7505"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1608 S J ST FL 5",
            "city": "TACOMA",
            "state": "WA",
            "postal_code": "984054930",
            "telephone_number": "253-274-7505"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "710 Birchwood Ave Ste 201",
            "address_purpose": "LOCATION",
            "city": "Bellingham",
            "state": "WA",
            "postal_code": "982251720",
            "country_code": "US",
            "telephone_number": "360-788-6870",
            "fax_number": "360-788-6872",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "IOSSO",
        "first_name": "COLIN",
        "middle_name": "T",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-08",
        "last_updated": "2025-02-28",
        "certification_date": "2025-02-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "WA",
            "license": "MD60201685",
            "primary": true
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "TX",
            "license": "M7291",
            "primary": false
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "TN",
            "license": "39851",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2011519",
            "state": "WA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "STATE L&I",
            "identifier": "0301450",
            "state": "WA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ciosso28546@fhsce.catholichealth.net",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1608 S J St Fl 5",
            "city": "Tacoma",
            "state": "WA",
            "country_code": "US",
            "postal_code": "984054930",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Tacoma, WA

Sources for this page

Verify at the official NPI Registry.