NPIMap

Individual provider Active NPI

Alyssa Carvalho, MD

  • Endocrinology, Diabetes & Metabolism Physician
  • Everett, WA
National Provider Identifier
1861055642
Registry record updated Apr 28, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X
License
MD61571539 Issued in WA
Practice address
3901 Hoyt Ave
Everett, WA 98201-4918
Phone
(425) 339-5456
NPI assigned
Apr 17, 2019
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Apr 28, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Endocrinology, Diabetes & Metabolism Physician 207RE0101X MD61571539 WA Primary

Addresses

Primary practice location

3901 Hoyt Ave
Everett, WA 98201-4918

Mailing address

7600 Evergreen Way
Everett, WA 98203-6421
Phone (206) 860-5414

Other practice location 1

9709 3rd Ave NE
Seattle, WA 98115-2062
Phone (206) 860-5414

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
I20241218001354 WA Practitioner - Endocrinology 3779916440 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Endocrinology
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Optum Care Washington PLLCGroup PAC ID 6406752153, 684 clinicians

Practice addresses (Care Compare)

3901 Hoyt Ave
Everett, WA 98201-4918
Phone (425) 339-5442

Hospital & facility affiliations

  • Island Hospital Hospital, Anacortes, WA, CCN 500007
  • Whidbeyhealth Medical Center Hospital, Coupeville, WA, CCN 501339
  • Evergreenhealth Medical Center Hospital, Kirkland, WA, CCN 500124
  • Skagit Valley Hospital Hospital, Mount Vernon, WA, CCN 500003
  • Evergreenhealth Monroe Hospital, Monroe, WA, CCN 500084

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD61571539WAMDEndocrinology, Diabetes & Metabolism Physician

Practice roles

OrganizationSpecialtyStatusNew patients
The Polyclinic PLLC CurrentSince Sep 19, 2024 Accepting new patients
The Polyclinic PLLC Current Accepting new patients
Optum Care Washington PLLC CurrentSince Sep 19, 2024 Accepting new patients
Optum Care Washington PLLC CurrentSince Sep 19, 2024 Accepting new patients
Optum Care Washington PLLC Past Accepting new patients

Locations

1330 Rockefeller Ave
Everett, WA 98201
Phone (425) 258-3903

3901 Hoyt Ave
Everett, WA 98201
Phone (425) 258-3903

9709 3rd Ave NE
Seattle, WA 98115
Phone (206) 525-5777

1201 N 175th St
Shoreline, WA 98133
Phone (425) 339-4299

1812 S J St
Ste 102
Tacoma, WA 98405
Phone (253) 552-4900

Interoperability endpoints

  • Direct secure messaging: acarvalho88333@direct.tecmc.com

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.

Hospital & facility affiliations 11

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": "1555459200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777334400000",
    "number": "1861055642",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7600 EVERGREEN WAY",
            "city": "EVERETT",
            "state": "WA",
            "postal_code": "982036421",
            "telephone_number": "206-860-5414"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3901 HOYT AVE",
            "city": "EVERETT",
            "state": "WA",
            "postal_code": "982014918",
            "telephone_number": "425-339-5456"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9709 3rd Ave NE",
            "address_purpose": "LOCATION",
            "city": "Seattle",
            "state": "WA",
            "postal_code": "981152062",
            "country_code": "US",
            "telephone_number": "206-860-5414",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CARVALHO",
        "first_name": "ALYSSA",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2019-04-17",
        "last_updated": "2026-04-28",
        "certification_date": "2026-04-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "WA",
            "license": "MD61571539",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Everett, WA

Sources for this page

Verify at the official NPI Registry.