Individual provider Active NPI

Stephen Louis Walston, MD

  • Internal Medicine Physician
  • Mercer Island, WA
National Provider Identifier
1578887519
Registry record updated Nov 11, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
MD60423761 Issued in WA
Practice address
3236 78TH Ave SE Ste 200
Mercer Island, WA 98040-3500
Phone
(206) 386-9500
Fax
(206) 386-9605
NPI assigned
Mar 19, 2010
Last updated
Nov 11, 2021By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 11, 2021

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X MD60423761 WA Primary

Addresses

Primary practice location

3236 78TH Ave SE Ste 200
Mercer Island, WA 98040-3500

Mailing address

PO Box 25608
Salt Lake City, UT 84125-0608
Phone (206) 320-4476

Other identifiers 2

IdentifierTypeStateIssuer
2022131MedicaidWA
1578887519MedicaidWA

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address swalston1068400@wm.providencedirect.org Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WA
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 1

Enrollment IDStateProvider typePAC IDDetails
I20140213000002 WA Practitioner - Internal Medicine 9830335363 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
University of Texas Medical School at Houston, 2010
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Select Outpatient Services IncGroup PAC ID 4082868815, 750 clinicians
Select Rehabilitation, LLCGroup PAC ID 9032020490, 1,935 clinicians
Swedish Health ServicesGroup PAC ID 9537072814, 384 clinicians

Practice addresses (Care Compare)

2600 Compass Rd
Glenview, IL 60026-8001

3236 78TH Ave SE
Suite 200
Mercer Island, WA 98040-3500
Phone (206) 275-5060

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of skin lesions1-10

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
The Polyclinic CurrentSince Jan 1, 2014 Accepting new patients
The Polyclinic PLLC Internal Medicine Current Accepting new patients
King County Finance CurrentSince Jun 1, 2019 Accepting new patients
Kaiser Foundation Health Plan of Washington CurrentSince Jun 11, 2018 Accepting new patients
Kaiser Foundation Health Plan of Washington Current Accepting new patients
King County Finance CurrentSince Jun 1, 2019 Accepting new patients
Swedish Health Services CurrentSince May 31, 2021 Accepting new patients
Kaiser Foundation Health Plan of Washington CurrentSince Jun 11, 2018 Accepting new patients
Swedish Health Services Internal Medicine CurrentSince Sep 1, 2021 Accepting new patients
Swedish Health Services Internal Medicine CurrentSince May 31, 2021 Accepting new patients
The Polyclinic PLLC Internal Medicine CurrentSince Jan 1, 2014 Accepting new patients

Locations

7320 216th St SW
Ste 310
Edmonds, WA 98026
Phone (425) 673-3800

13020 Meridian Ave S
Everett, WA 98208
Phone (425) 357-3700

33501 1st Way S
Federal Way, WA 98003
Phone (253) 838-2400

3236 78th Ave SE
Ste 200
Mercer Island, WA 98040
Phone (206) 275-5060

1145 Broadway
Seattle, WA 98122

125 16th Ave E
Seattle, WA 98112
Phone (206) 326-3530

200 15th Ave E
Seattle, WA 98112
Phone (206) 326-4530

2124 4th Ave
Seattle, WA 98121
Phone (206) 296-4755

2450 33rd Ave W
Ste 100
Seattle, WA 98199
Phone (206) 320-3364

401 5th Ave
Ste 1200
Seattle, WA 98104
Phone (206) 205-5975

747 Broadway
Seattle, WA 98122
Phone (360) 658-2488

800 5th Ave
Ste 600
Seattle, WA 98104

904 7th Ave
Seattle, WA 98104
Phone (206) 223-6487

925 Seneca St
Seattle, WA 98101
Phone (206) 341-0860

9505 S Steele St
Tacoma, WA 98444
Phone (253) 597-6800

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/3889/brand/1/csg/1/fhir/r4
  • Direct secure messaging: swalston1068400@wm.providencedirect.org

Organizations & group practices 12

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 5

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": "1268956800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1636588800000",
    "number": "1578887519",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 25608",
            "city": "SALT LAKE CITY",
            "state": "UT",
            "postal_code": "841250608",
            "telephone_number": "206-320-4476",
            "fax_number": "206-568-7043"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3236 78TH AVE SE STE 200",
            "city": "MERCER ISLAND",
            "state": "WA",
            "postal_code": "980403500",
            "telephone_number": "206-386-9500",
            "fax_number": "206-386-9605"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WALSTON",
        "first_name": "STEPHEN",
        "middle_name": "LOUIS",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2010-03-19",
        "last_updated": "2021-11-11",
        "certification_date": "2021-11-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WA",
            "license": "MD60423761",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2022131",
            "state": "WA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1578887519",
            "state": "WA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "swalston1068400@wm.providencedirect.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "3236 78th Ave SE Ste 200",
            "city": "Mercer Island",
            "state": "WA",
            "country_code": "US",
            "postal_code": "980403500",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Mercer Island, WA

Sources for this page

Verify at the official NPI Registry.