Individual provider Active NPI

Tania Benjamin, MD

  • Plastic Surgery within the Head & Neck (Otolaryngology) Physician
  • Castro Valley, CA
National Provider Identifier
1093276131
Registry record updated Oct 8, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Plastic Surgery within the Head & Neck (Otolaryngology) PhysicianTaxonomy code 207YX0007X
License
A180709 Issued in CA
Practice address
20101 Lake Chabot Rd
Castro Valley, CA 94546-5305
Phone
(510) 204-1844
NPI assigned
Mar 29, 2019
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 8, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Plastic Surgery within the Head & Neck (Otolaryngology) Physician 207YX0007X A180709 CA Primary

Addresses

Primary practice location

20101 Lake Chabot Rd
Castro Valley, CA 94546-5305

Mailing address

20101 Lake Chabot Rd
Castro Valley, CA 94546-5305
Phone (510) 204-1844

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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20240614002782 CA Practitioner - Otolaryngology 0648682252 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Otolaryngology
Education
University of California, San Francisco School of Medicine, 2019
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

350 30TH St
Suite 100
Oakland, CA 94609-3422
Phone (510) 204-8290

Hospital & facility affiliations

  • Eden Medical Center Hospital, Castro Valley, CA, CCN 050488
  • Alta Bates Summit Medical Center - Alta Bates Camp Hospital, Berkeley, CA, CCN 050305
  • Alta Bates Summit Medical Center Hospital, Oakland, CA, CCN 050043

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A180709CAMDPlastic Surgery within the Head & Neck (Otolaryngology) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Sutter Bay Medical Foundation CurrentSince Aug 25, 2025 Accepting new patients
Permanente Medical Group, Inc CurrentSince Jun 17, 2024 Accepting new patients
Sutter Bay Medical Foundation CurrentSince Aug 25, 2025 Accepting new patients
Permanente Medical Group Inc CurrentSince Jun 17, 2024 Accepting new patients
Permanente Medical Group Inc Current Accepting new patients
Sutter East Bay Medical Foundation Past Accepting new patients
Sutter East Bay Medical Foundation Past Accepting new patients

Locations (25 of 34)

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

750 Auburn Ravine Rd
Auburn, CA 95603
Phone (530) 823-6131

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

4753 W Shaw Ave
Ste 101
Fresno, CA 93722
Phone (559) 277-8738

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

900 N Douty St
Hanford, CA 93230
Phone (559) 587-9014

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

1800 Harrison St
Fl 7
Oakland, CA 94612

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

101 Monroe St
Petaluma, CA 94954
Phone (707) 763-4109

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

1150 Veterans Blvd
Redwood City, CA 94063
Phone (650) 299-2015

901 Nevin Ave
Richmond, CA 94801
Phone (510) 307-1500

930 W Main St
Ripon, CA 95366
Phone (209) 599-4221

151 N Sunrise Ave
Ste 1205
Roseville, CA 95661
Phone (916) 789-1505

501 J St
Sacramento, CA 95814
Phone (916) 497-3000

2200 Ofarrell St
San Francisco, CA 94115
Phone (415) 202-2000

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

505 Parnassus Ave
San Francisco, CA 94143
Phone (415) 476-9058

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

Interoperability endpoints

  • Direct secure messaging: tbenjamin741887@hisp.ehr.sutterhealth.org

Organizations & group practices 7

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 3

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": "1553817600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759881600000",
    "number": "1093276131",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "20101 LAKE CHABOT RD",
            "city": "CASTRO VALLEY",
            "state": "CA",
            "postal_code": "945465305",
            "telephone_number": "510-204-1844"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "20101 LAKE CHABOT RD",
            "city": "CASTRO VALLEY",
            "state": "CA",
            "postal_code": "945465305",
            "telephone_number": "510-204-1844"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BENJAMIN",
        "first_name": "TANIA",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2019-03-29",
        "last_updated": "2025-10-08",
        "certification_date": "2025-10-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207YX0007X",
            "taxonomy_group": "",
            "desc": "Otolaryngology, Plastic Surgery within the Head & Neck",
            "state": "CA",
            "license": "A180709",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Castro Valley, CA

Sources for this page

Verify at the official NPI Registry.