Individual provider Active NPI

Lara Arnaiz West, DNP

  • Acute Care Nurse Practitioner
  • Bellevue, WA
National Provider Identifier
1881272797
Registry record updated Apr 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Acute Care Nurse PractitionerTaxonomy code 363LA2100X
License
AP1142390 Issued in WA
Practice address
1200 112TH Ave NE
Bellevue, WA 98004-3732
Phone
(425) 453-1039
NPI assigned
Mar 31, 2021
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Apr 3, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Acute Care Nurse Practitioner 363LA2100X NP95017090 CA
Acute Care Nurse Practitioner 363LA2100X AP1142390 WA Primary

Addresses

Primary practice location

1200 112TH Ave NE
Bellevue, WA 98004-3732

Mailing address

PO Box 5127
Everett, WA 98206-5127

Other practice location 1

1400 S Grand Ave Ste 801
Los Angeles, CA 90015-3068
Phone (213) 741-9727

Other practice location 2

1016 E Pike St Ste 200
Seattle, WA 98122-3847
Phone (206) 302-2020

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WA, CA2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20210715002339 WA Practitioner - Nurse Practitioner 7810399656 Reassigns benefits to 3 organizations
I20220525000577 CA Practitioner - Nurse Practitioner 7810399656 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
AIDS Healthcare FoundationGroup PAC ID 2668369109, shared by 56 NPIs, 101 clinicians
Optum Care Washington PLLCGroup PAC ID 6406752153, 684 clinicians

Practice addresses (Care Compare)

1016 E Pike St
Suite 200
Seattle, WA 98122-3847
Phone (206) 302-2020

11001 Main St
Suite 311
El Monte, CA 91731-2620
Phone (626) 444-9453

1200 112TH Ave NE
Suite C160
Bellevue, WA 98004-3742
Phone (425) 453-1039

Merit-based Incentive Payment System (MIPS)

Final score
82.5 of 100Reported as group
Quality
64.78
Improvement activities
40
Cost
79.23

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
NP95017090CAMDAcute Care Nurse Practitioner
AP1142390WAMDAcute Care Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Optum Care Washington PLLC CurrentSince Feb 11, 2026 Accepting new patients
AIDS Healthcare Foundation CurrentSince May 3, 2021 Accepting new patients
The Polyclinic PLLC CurrentSince Feb 11, 2026 Accepting new patients
The Polyclinic PLLC CurrentSince Feb 11, 2026 Accepting new patients
AIDS Healthcare Foundation CurrentSince May 3, 2021 Accepting new patients
AIDS Healthcare Foundation CurrentSince May 20, 2021 Accepting new patients
Optum Care Washington PLLC CurrentSince Feb 11, 2026 Accepting new patients
AIDS Healthcare Foundation Past Accepting new patients
AIDS Healthcare Foundation Past Accepting new patients

Locations

8641 Wilshire Blvd
Ste 200
Beverly Hills, CA 90211
Phone (310) 657-7246

99 N La Cienega Blvd
Ste 200
Beverly Hills, CA 90211
Phone (310) 657-9353

11001 Main St
Ste 311
El Monte, CA 91731
Phone (626) 444-9453

2146 W Adams Blvd
Los Angeles, CA 90018
Phone (323) 766-2170

6255 W Sunset Blvd
Fl 21
Los Angeles, CA 90028
Phone (323) 860-5200

4905 Hollywood Blvd
Los Angeles, CA 90027
Phone (323) 461-9942

1400 S Grand Ave
Ste 801
Los Angeles, CA 90015
Phone (213) 741-5271

5326 E Beverly Blvd
Los Angeles, CA 90022
Phone (323) 721-0510

400 30th St
Oakland, CA 94609
Phone (510) 628-2949

400 30th St
Ste 300
Oakland, CA 94609
Phone (510) 628-0949

8263 Grove Ave
Ste 201
Rancho Cucamonga, CA 91730
Phone (909) 579-0708

4510 Brockton Ave
Ste 350
Riverside, CA 92501
Phone (951) 801-4266

518A Castro St
San Francisco, CA 94114
Phone (415) 255-2720

4940 Van Nuys Blvd
Ste 200
Sherman Oaks, CA 91403
Phone (818) 528-1222

15141 Whittier Blvd
Ste 260
Whittier, CA 90603
Phone (562) 698-0306

8390 Champions Gate Blvd
Ste 220
Champions Gate, FL 33896
Phone (407) 479-2015

1200 112th Ave NE
Bellevue, WA 98004
Phone (425) 453-1039

1200 112th Ave NE
Ste C160
Bellevue, WA 98004
Phone (425) 453-1039

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

1016 E Pike St
Ste 200
Seattle, WA 98122
Phone (206) 302-2020

1145 Broadway
Seattle, WA 98122

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

3009 S 40th St
Tacoma, WA 98409
Phone (253) 238-1677

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

Interoperability endpoints

  • Direct secure messaging: lara.west.1@26356.direct.athenahealth.com

Organizations & group practices 9

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": "1617148800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775174400000",
    "number": "1881272797",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 5127",
            "city": "EVERETT",
            "state": "WA",
            "postal_code": "982065127"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1200 112TH AVE NE",
            "city": "BELLEVUE",
            "state": "WA",
            "postal_code": "980043732",
            "telephone_number": "425-453-1039"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1400 S Grand Ave Ste 801",
            "address_purpose": "LOCATION",
            "city": "Los Angeles",
            "state": "CA",
            "postal_code": "900153068",
            "country_code": "US",
            "telephone_number": "213-741-9727",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1016 E Pike St Ste 200",
            "address_purpose": "LOCATION",
            "city": "Seattle",
            "state": "WA",
            "postal_code": "981223847",
            "country_code": "US",
            "telephone_number": "206-302-2020",
            "fax_number": "206-302-2021",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WEST",
        "first_name": "LARA",
        "middle_name": "ARNAIZ",
        "credential": "DNP",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2021-03-31",
        "last_updated": "2026-04-03",
        "certification_date": "2026-04-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "CA",
            "license": "NP95017090",
            "primary": false
        },
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "WA",
            "license": "AP1142390",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Bellevue, WA

Sources for this page

Verify at the official NPI Registry.