Individual provider Active NPI

Aaron Tabieros Semana, FNP/DNP

  • Family Nurse Practitioner
  • San Ramon, CA
National Provider Identifier
1104459486
Registry record updated Sep 22, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
95013980 Issued in CA
Practice address
2551 San Ramon Valley Blvd Ste 108
San Ramon, CA 94583-1661
Phone
(248) 970-9083
NPI assigned
Feb 15, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 22, 2023

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X 95013980 CA Primary

Addresses

Primary practice location

2551 San Ramon Valley Blvd Ste 108
San Ramon, CA 94583-1661

Mailing address

8545 Zandol CT
Dublin, CA 94568-1007
Phone (661) 406-3429

Other practice location 1

450 N Wiget Ln
Walnut Creek, CA 94598-2408
Phone (925) 691-9806

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address aaron.t.semana@kp.org Direct

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
I20250701002465 CA Practitioner - Nurse Practitioner 3375056583 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Golden State Medical Center PCGroup PAC ID 2365857612, 2 clinicians
Permanente Medical Group IncGroup PAC ID 8921910225, 10,928 clinicians

Practice addresses (Care Compare)

2551 San Ramon Valley Blvd
Suite 108
San Ramon, CA 94583-1661
Phone (925) 838-4462

275 Hospital Pkwy
San Jose, CA 95119-1106
Phone (408) 972-3000

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
95013980CAMDFamily Nurse Practitioner
95027735CAMDPsychiatric/Mental Health Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Golden State Medical Center PC CurrentSince Jun 6, 2025 Accepting new patients
Permanente Medical Group Inc CurrentSince Jan 18, 2026 Accepting new patients
Permanente Medical Group, Inc CurrentSince Jan 18, 2026 Accepting new patients

Locations

39400 Paseo Padre Pkwy
Fremont, CA 94538
Phone (510) 248-3000

275 Hospital Pkwy
San Jose, CA 95119
Phone (408) 363-4539

2551 San Ramon Valley Blvd
Ste 108
San Ramon, CA 94583
Phone (925) 838-4462

Organizations & group practices 3

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": "1581724800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1695340800000",
    "number": "1104459486",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8545 ZANDOL CT",
            "city": "DUBLIN",
            "state": "CA",
            "postal_code": "945681007",
            "telephone_number": "661-406-3429"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2551 SAN RAMON VALLEY BLVD STE 108",
            "city": "SAN RAMON",
            "state": "CA",
            "postal_code": "945831661",
            "telephone_number": "248-970-9083"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "450 N Wiget Ln",
            "address_purpose": "LOCATION",
            "city": "Walnut Creek",
            "state": "CA",
            "postal_code": "945982408",
            "country_code": "US",
            "telephone_number": "925-691-9806",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SEMANA",
        "first_name": "AARON",
        "middle_name": "TABIEROS",
        "name_prefix": "Dr.",
        "credential": "FNP/DNP",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-02-15",
        "last_updated": "2023-09-22",
        "certification_date": "2023-09-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CA",
            "license": "95013980",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "aaron.t.semana@kp.org",
            "affiliation": "N",
            "endpointDescription": "Email",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "39400 Paseo Padre Pkwy",
            "city": "Fremont",
            "state": "CA",
            "country_code": "US",
            "postal_code": "945382310",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in San Ramon, CA

Sources for this page

Verify at the official NPI Registry.