Individual provider Active NPI

Marti L. Willey, N.P.

  • Nurse Practitioner
  • Encinitas, CA
National Provider Identifier
1144574062
Registry record updated Dec 22, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
22548 Issued in CA
Practice address
326 Santa Fe Dr Ste 105
Encinitas, CA 92024-5157
Phone
(760) 452-3340
Fax
(760) 452-3344
NPI assigned
Oct 30, 2012
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Dec 22, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X 22548 CA Primary

Addresses

Primary practice location

326 Santa Fe Dr Ste 105
Encinitas, CA 92024-5157

Mailing address

File 53726
Los Angeles, CA 90074-0001
Phone (800) 926-8273

Other practice location 1

200 W Arbor Dr
San Diego, CA 92103-9000
Phone (800) 926-8273

Other practice location 2

3855 Health Sciences Dr
LA Jolla, CA 92093-1375
Phone (800) 926-8273

Other practice location 3

4250 1st Ave
San Diego, CA 92103
Phone (800) 926-8273

Other practice location 4

1200 Garden View Rd
Encinitas, CA 92024-2477
Phone (800) 926-8273

Other practice location 5

28078 Baxter Rd Ste 140
Murrieta, CA 92563-1403
Phone (760) 733-9191

Other practice location 6

16950 Via Tazon
San Diego, CA 92127-1607
Phone (800) 926-8273

Other practice location 7

910 Sycamore Ave
Vista, CA 92081-7832
Phone (800) 926-8273

Other identifiers 4

IdentifierTypeStateIssuer
GT229ZOtherCAMEDICARE PTAN
2012003305OtherCAANCC NATIONAL CERTIFICATION
22548OtherCANURSE PRACTITIONER MEDICAL LICENSE
588647OtherCARN MEDICAL LICENSE

Medicare participation

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

Enrollment IDStateProvider typePAC IDDetails
I20121206000328 CA Practitioner - Nurse Practitioner 9830341478 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2012
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

16918 Dove Canyon Rd
San Diego, CA 92127-3455
Phone (858) 649-5100

28078 Baxter Rd
Suite 140
Murrieta, CA 92563-1403
Phone (760) 733-9191

3855 Health Sciences Dr
La Jolla, CA 92093-1503
Phone (858) 657-7000

4500 Brockton Ave
Suite 319
Riverside, CA 92501-4027
Phone (951) 319-7326

838 Nordahl Rd
San Marcos, CA 92069-3599
Phone (760) 747-8935

959 Lane Ave
Suite 100
Chula Vista, CA 91914-4528
Phone (619) 880-8828

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
100 of 100Reported as group
Quality
89.27
Promoting interoperability
100
Improvement activities
40

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
22548CAMDNurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Regents of the University of California - Ucsd Medical Group CurrentSince May 25, 2024 Accepting new patients
California Cancer Associates for Research and Excellence Inc CurrentSince Oct 16, 2012 Accepting new patients
Regents of the University of California Nurse Practitioner Current Accepting new patients
California Cancer Associates for Research and Excellence Inc CurrentSince Oct 16, 2012 Accepting new patients
Scripps Health Current Accepting new patients
Regents of the University of California CurrentSince May 25, 2024 Accepting new patients
Palomar Health Past Accepting new patients
Jabari Reeves MD Medical Corporation Past Accepting new patients
Regents of the University of California Ucsd Head and Neck Surgery Past Accepting new patients

Locations

477 N El Camino Real
Ste D200
Encinitas, CA 92024
Phone (760) 452-3340

1200 Garden View Rd
Encinitas, CA 92024
Phone (760) 536-7682

1505 Encinitas Blvd
Encinitas, CA 92024

326 Santa Fe Dr
Ste 105
Encinitas, CA 92024
Phone (760) 452-3340

7130 N Millbrook Ave
Fresno, CA 93720
Phone (559) 326-1222

1791 E Fir Ave
Fresno, CA 93720
Phone (559) 326-1222

3855 Health Sciences Dr
La Jolla, CA 92093
Phone (858) 822-6094

9850 Genesee Ave
Ste 560
La Jolla, CA 92037
Phone (858) 452-0306

File 57326
Los Angeles, CA 90074

File 53726
Los Angeles, CA 90074

25405 Hancock Ave
Ste 206
Murrieta, CA 92562
Phone (760) 733-9191

28078 Baxter Rd
Ste 140
Murrieta, CA 92563
Phone (760) 733-9191

4500 Brockton Ave
Ste 319
Riverside, CA 92501
Phone (951) 319-7326

200 W Arbor Dr
San Diego, CA 92103
Phone (619) 543-5754

16950 Via Tazon
San Diego, CA 92127
Phone (858) 521-2265

16918 Dove Canyon Rd
Ste 103
San Diego, CA 92127
Phone (858) 649-5100

4250 1st Ave
San Diego, CA 92103
Phone (415) 290-8175

838 Nordahl Rd
Ste 300
San Marcos, CA 92069
Phone (800) 456-5860

12998 Hesperia Rd
Ste 103
Victorville, CA 92395
Phone (760) 245-4800

12998 Hesperia Rd
Ste 204
Victorville, CA 92395
Phone (760) 780-4960

12998 Hesperia Rd
Ste 101
Victorville, CA 92395
Phone (760) 780-4960

910 Sycamore Ave
Ste 102
Vista, CA 92081
Phone (760) 598-1700

910 Sycamore Ave
Vista, CA 92081
Phone (760) 598-1700

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • Direct secure messaging: mwiley58561@scrippshlth.medalliesdirect.net

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.

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": "1351555200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766361600000",
    "number": "1144574062",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "FILE 53726",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900740001",
            "telephone_number": "800-926-8273",
            "fax_number": "888-539-8781"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "326 SANTA FE DR STE 105",
            "city": "ENCINITAS",
            "state": "CA",
            "postal_code": "920245157",
            "telephone_number": "760-452-3340",
            "fax_number": "760-452-3344"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "200 W Arbor Dr",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921039000",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "fax_number": "888-539-8781",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3855 Health Sciences Dr",
            "address_purpose": "LOCATION",
            "city": "LA Jolla",
            "state": "CA",
            "postal_code": "920931375",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "fax_number": "888-539-8781",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4250 1st Ave",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "92103",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "fax_number": "888-539-8781",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1200 Garden View Rd",
            "address_purpose": "LOCATION",
            "city": "Encinitas",
            "state": "CA",
            "postal_code": "920242477",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "fax_number": "888-539-8781",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "28078 Baxter Rd Ste 140",
            "address_purpose": "LOCATION",
            "city": "Murrieta",
            "state": "CA",
            "postal_code": "925631403",
            "country_code": "US",
            "telephone_number": "760-733-9191",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "16950 Via Tazon",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921271607",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "fax_number": "888-539-8781",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "910 Sycamore Ave",
            "address_purpose": "LOCATION",
            "city": "Vista",
            "state": "CA",
            "postal_code": "920817832",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "fax_number": "888-539-8781",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WILLEY",
        "first_name": "MARTI",
        "middle_name": "L.",
        "credential": "N.P.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2012-10-30",
        "last_updated": "2025-12-22",
        "certification_date": "2025-12-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "CA",
            "license": "22548",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE PTAN",
            "identifier": "GT229Z",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANCC NATIONAL CERTIFICATION",
            "identifier": "2012003305",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "NURSE PRACTITIONER MEDICAL LICENSE",
            "identifier": "22548",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RN MEDICAL LICENSE",
            "identifier": "588647",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Encinitas, CA

Sources for this page

Verify at the official NPI Registry.