Individual provider Active NPI

Emmeline Joyce Katsarelis, NP

  • Nurse Practitioner
  • Stanford, CA
National Provider Identifier
1013496538
Registry record updated Dec 30, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
95009435 Issued in CA
Practice address
300 Pasteur Dr
Stanford, CA 94305-2200
Phone
(650) 723-4000
NPI assigned
Aug 7, 2018
Last updated
Dec 30, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 30, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X 95009435 CA Primary
Adult Health Nurse Practitioner 363LA2200X 95009435 CA

Addresses

Primary practice location

300 Pasteur Dr
Stanford, CA 94305-2200

Mailing address

300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000

Other practice location 1

725 Welch Rd
Palo Alto, CA 94304-1601
Phone (650) 497-8000

Other practice location 2

2637 Shadelands Dr
Walnut Creek, CA 94598-2512
Phone (925) 944-6355

Other names 1

  • Emmeline Joyce Salcedo Former name

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
I20191217000949 CA Practitioner - Nurse Practitioner 9739513292 Reassigns benefits to 7 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Stanford Health CareGroup PAC ID 6709797491, 3,152 clinicians

Practice addresses (Care Compare)

300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Moussa F Yazbeck MD Inc CurrentSince Apr 1, 2020 Accepting new patients
Bass Medical Group Current Accepting new patients
Stanford Health Care CurrentSince Oct 28, 2024 Accepting new patients
Bay Area Surgical Specialists, Inc a Medical Corporation CurrentSince Jun 18, 2024 Accepting new patients
LPCH Medical Group Div of Lucile CurrentSince Oct 28, 2024 Accepting new patients
Stanford Health Care Current Accepting new patients
Bass Medical Group CurrentSince Jun 18, 2024 Accepting new patients
Stanford Health Care CurrentSince Oct 28, 2024 Accepting new patients
Solano Gateway Medical Group Inc Nurse Practitioner CurrentSince Mar 1, 2022 Accepting new patients
Altamont Emergency Physicians Medical Group Inc CurrentSince Oct 21, 2019 Accepting new patients
Bay Area Neurointensivists Inc CurrentSince Apr 1, 2020 Accepting new patients
Bass Medical Group Past Accepting new patients
Stanford Hospital and Clinics Past Accepting new patients
Lucile Salter Packard Children's Hospital at Stanford Past Accepting new patients
Sutter East Bay Medical Foundation Past Accepting new patients

Locations

1505 Saint Alphonsus Way
Alamo, CA 94507
Phone (925) 837-4225

450 Glass Ln
Ste C
Modesto, CA 95356

725 Welch Rd
Palo Alto, CA 94304
Phone (650) 497-8979

225 N Jackson Ave
San Jose, CA 95116
Phone (408) 347-4051

300 Pasteur Dr
Stanford, CA 94305
Phone (650) 498-5710

1420 N Tracy Blvd
Tracy, CA 95376
Phone (209) 832-6018

1601 Ygnacio Valley Rd
Walnut Creek, CA 94598
Phone (925) 295-1545

2637 Shadelands Dr
Walnut Creek, CA 94598
Phone (925) 627-3424

323 Lennon Ln
Walnut Creek, CA 94598
Phone (925) 430-5335

Interoperability endpoints

  • Direct secure messaging: ekatsarelis135966@ehr.johnmuirhealth.com
  • Direct secure messaging: ekatsarelis380939@direct.stanfordhealthcare.org

Organizations & group practices 15

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.

View all 15

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": "1533600000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767052800000",
    "number": "1013496538",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "725 Welch Rd",
            "address_purpose": "LOCATION",
            "city": "Palo Alto",
            "state": "CA",
            "postal_code": "943041601",
            "country_code": "US",
            "telephone_number": "650-497-8000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2637 Shadelands Dr",
            "address_purpose": "LOCATION",
            "city": "Walnut Creek",
            "state": "CA",
            "postal_code": "945982512",
            "country_code": "US",
            "telephone_number": "925-944-6355",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KATSARELIS",
        "first_name": "EMMELINE",
        "middle_name": "JOYCE",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-08-07",
        "last_updated": "2025-12-30",
        "certification_date": "2025-12-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "CA",
            "license": "95009435",
            "primary": true
        },
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "CA",
            "license": "95009435",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "EMMELINE",
            "last_name": "SALCEDO",
            "middle_name": "JOYCE",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Stanford, CA

Sources for this page

Verify at the official NPI Registry.