Individual provider Active NPI

Leslie Aaron Tsang, D.O.

  • Psychiatry Physician
  • Berkeley, CA
National Provider Identifier
1013045129
Registry record updated Mar 7, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
License
2OA9411 Issued in CA
Practice address
900 Colusa Ave Ste 205a
Berkeley, CA 94707-2319
Phone
(415) 706-4509
Fax
(510) 295-2567
NPI assigned
Mar 1, 2007
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 7, 2023

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatry Physician 2084P0800X 2OA9411 CA Primary

Addresses

Primary practice location

900 Colusa Ave Ste 205a
Berkeley, CA 94707-2319

Mailing address

901 Santa Barbara Rd
Berkeley, CA 94707-2422
Phone (510) 725-1006

Other identifiers 1

IdentifierTypeStateIssuer
20A9411OtherCAOSTEOPATHIC MEDICAL LICENSE

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
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.

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
2OA9411CAMDPsychiatry Physician
3411CAMDOccupational Therapy Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Psychiatry and Mental Health, a Physician Assistant Corporation CurrentSince Nov 18, 2025 Accepting new patients

Locations

17074 Devonshire St
Northridge, CA 91325
Phone (818) 428-1790

Organizations & group practices 1

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": "1172707200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1678147200000",
    "number": "1013045129",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "901 SANTA BARBARA RD",
            "city": "BERKELEY",
            "state": "CA",
            "postal_code": "947072422",
            "telephone_number": "510-725-1006"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "900 COLUSA AVE STE 205A",
            "city": "BERKELEY",
            "state": "CA",
            "postal_code": "947072319",
            "telephone_number": "415-706-4509",
            "fax_number": "510-295-2567"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TSANG",
        "first_name": "LESLIE",
        "middle_name": "AARON",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-03-01",
        "last_updated": "2023-03-07",
        "certification_date": "2020-02-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "CA",
            "license": "2OA9411",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "OSTEOPATHIC MEDICAL LICENSE",
            "identifier": "20A9411",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Berkeley, CA

Sources for this page

Verify at the official NPI Registry.