Individual provider Active NPI

Emily Tennison, MSW, LCSW

  • Social Worker
  • Oakland, CA
National Provider Identifier
1821305061
Registry record updated Aug 22, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Social WorkerTaxonomy code 104100000X
License
74056 Issued in CA
Practice address
675 Hegenberger Rd
Suite 100
Oakland, CA 94621-1973
Phone
(510) 926-1959
NPI assigned
Sep 9, 2010
Last updated
Aug 22, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 22, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Social Worker 104100000X 74056 CA Primary
Mental Health Counselor 101YM0800X

Addresses

Primary practice location

675 Hegenberger Rd
Suite 100
Oakland, CA 94621-1973

Mailing address

3800 Coolidge Ave
Oakland, CA 94602-3311

Other practice location 1

20101 Lake Chabot Rd
Castro Valley, CA 94546-5305
Phone (510) 869-6212

Other names 1

  • Emma Spanko 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: No
  • Power mobility devices: No
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250904003896 CA Practitioner - Clinical Social Worker 5496257925 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Clinical Social Worker
Education
Other, 2012
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Sutter Bay Medical FoundationGroup PAC ID 4284538778, 3,783 clinicians

Practice addresses (Care Compare)

20101 Lake Chabot Rd
Castro Valley, CA 94546-5305
Phone (510) 886-3400

20103 Lake Chabot Rd
Castro Valley, CA 94546-5305
Phone (510) 727-3256

3200 Kearney St
Fremont, CA 94538-2299
Phone (510) 490-1222

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
74056CAMDPharmacist

Practice roles

OrganizationSpecialtyStatusNew patients
Sutter Bay Medical Foundation CurrentSince Aug 25, 2025 Accepting new patients
Sutter Bay Medical Foundation Current Accepting new patients
Sutter Bay Medical Foundation CurrentSince Aug 25, 2025 Accepting new patients
Sutter East Bay Medical Foundation Past Accepting new patients

Locations

18400 US Highway 18
Apple Valley, CA 92307
Phone (760) 810-7590

350 John Muir Pkwy
Ste 160
Brentwood, CA 94513
Phone (925) 204-1920

20101 Lake Chabot Rd
Castro Valley, CA 94546
Phone (510) 247-6300

1950 University Ave
Ste 160
East Palo Alto, CA 94303
Phone (650) 317-8100

3200 Kearney St
Fremont, CA 94538
Phone (510) 498-2800

1189 E Herndon Ave
Ste 103
Fresno, CA 93720
Phone (559) 450-7777

370 Distel Cir
Los Altos, CA 94022
Phone (650) 254-5200

600 Coffee Rd
Modesto, CA 95355
Phone (209) 550-4755

101 Rowland Way
Ste 220
Novato, CA 94945
Phone (415) 878-7200

795 El Camino Real
Palo Alto, CA 94301
Phone (650) 324-1832

1555 East St
Ste 200
Redding, CA 96001
Phone (530) 229-0911

151 N Sunrise Ave
Ste 1205
Roseville, CA 95661
Phone (916) 780-0110

3838 California St
Rm 410
San Francisco, CA 94118
Phone (415) 751-1847

123 S San Mateo Dr
San Mateo, CA 94401
Phone (650) 343-4200

3883 Airway Dr
Ste 220
Santa Rosa, CA 95403
Phone (707) 521-7750

10200 Trinity Pkwy
Ste 101
Stockton, CA 95219
Phone (209) 323-3488

550 S Green Valley Rd
Watsonville, CA 95076
Phone (831) 458-5865

Organizations & group practices 4

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.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1283990400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755820800000",
    "number": "1821305061",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3800 COOLIDGE AVE",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946023311"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "675 HEGENBERGER RD",
            "address_2": "SUITE 100",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946211973",
            "telephone_number": "510-926-1959"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "20101 Lake Chabot Rd",
            "address_purpose": "LOCATION",
            "city": "Castro Valley",
            "state": "CA",
            "postal_code": "945465305",
            "country_code": "US",
            "telephone_number": "510-869-6212",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TENNISON",
        "first_name": "EMILY",
        "credential": "MSW, LCSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-09-09",
        "last_updated": "2025-08-22",
        "certification_date": "2025-08-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "CA",
            "license": "74056",
            "primary": true
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "EMMA",
            "last_name": "SPANKO",
            "credential": "MSW, LCSW",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Oakland, CA

Sources for this page

Verify at the official NPI Registry.