Individual provider Active NPI

Mark Anthony Tiano

  • Clinical Social Worker
  • Stockton, CA
National Provider Identifier
1841623535
Registry record updated Feb 4, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
LCSW88442 Issued in CA
Practice address
PO Box 691437
Stockton, CA 95269-1437
Phone
(209) 693-7037
NPI assigned
Aug 16, 2013
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 4, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X LCSW88442 CA Primary

Addresses

Primary practice location

PO Box 691437
Stockton, CA 95269-1437

Mailing address

PO Box 691437
Stockton, CA 95269-1437
Phone (209) 693-7037

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
I20210930001486 CA Practitioner - Clinical Social Worker 8123425378 Reassigns benefits to 1 organization

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
LCSW88442CAMDClinical Social Worker
88442CAMDMarriage & Family Therapist

Practice roles

OrganizationSpecialtyStatusNew patients
San Joaquin County Behavioral Health Services CurrentSince Dec 14, 2025 Accepting new patients
County of San Joaquin CurrentSince Dec 14, 2025 Accepting new patients

Locations

1209 W Tokay St
Ste 5
Lodi, CA 95240
Phone (209) 331-2070

1212 N California St
Stockton, CA 95202
Phone (209) 468-8660

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": "1376611200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770163200000",
    "number": "1841623535",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 691437",
            "city": "STOCKTON",
            "state": "CA",
            "postal_code": "952691437",
            "telephone_number": "209-693-7037"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "PO BOX 691437",
            "city": "STOCKTON",
            "state": "CA",
            "postal_code": "952691437",
            "telephone_number": "209-693-7037"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TIANO",
        "first_name": "MARK",
        "middle_name": "ANTHONY",
        "name_prefix": "Mr.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2013-08-16",
        "last_updated": "2026-02-04",
        "certification_date": "2026-02-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CA",
            "license": "LCSW88442",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Stockton, CA

Sources for this page

Verify at the official NPI Registry.