Individual provider Active NPI

Tiannan Wang, M.D.

  • Cytopathology Physician
  • Los Angeles, CA
National Provider Identifier
1003229329
Registry record updated Aug 11, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cytopathology PhysicianTaxonomy code 207ZC0500X
License
A149981 Issued in CA
Practice address
1500 San Pablo St RM 216
Los Angeles, CA 90033-5313
Phone
(323) 442-2582
NPI assigned
Jun 4, 2014
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 11, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X A149981 CA
Cytopathology Physician 207ZC0500X A149981 CA Primary

Addresses

Primary practice location

1500 San Pablo St RM 216
Los Angeles, CA 90033-5313

Mailing address

PO Box 31309
Los Angeles, CA 90031-0309
Phone (323) 442-2582

Other practice location 1

1500 Duarte Rd
Duarte, CA 91010-3012
Phone (800) 826-4673

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address direct@cityofhope.direct-ci.com Direct CITY OF HOPE MEDICAL FOUNDATION
Direct Messaging Address tiannan.wang@direct.usc.edu Direct USC CARE MEDICAL GROUP, INC

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA, CA2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20190819002221 PA Practitioner - Pathology 6800124678 Reassigns benefits to 1 organization
I20200513000950 CA Practitioner - Pathology 6800124678 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Pathology
Education
Other, 2000
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Usc Care Medical Group IncGroup PAC ID 0446157747, 1,378 clinicians

Practice addresses (Care Compare)

1441 Eastlake Ave
Suite 2424
Los Angeles, CA 90089-0112
Phone (323) 442-2582

1500 San Pablo St
Los Angeles, CA 90033-5313
Phone (323) 442-8444

1516 San Pablo St
Los Angeles, CA 90033-5313
Phone (800) 872-2273

1520 San Pablo St
Los Angeles, CA 90033-5310
Phone (800) 872-2273

1520 San Pablo St 1St Floor N
Los Angeles, CA 90033-5310
Phone (800) 872-2273

2011 Zonal Ave
Los Angeles, CA 90089-1016
Phone (323) 442-1156

Hospital & facility affiliations

  • Usc Kenneth Norris Jr Cancer Hospital Hospital, Los Angeles, CA, CCN 050660
  • Keck Hospital of Usc Hospital, Los Angeles, CA, CCN 050696

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A149981CAMDAnatomic Pathology & Clinical Pathology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University of Pittsburgh Physicians Cytopathology CurrentSince Jul 1, 2019 Accepting new patients
Usc Care Medical Group, Inc Anatomic Pathology & Clinical Pathology CurrentSince Jun 1, 2020 Accepting new patients
University of Pittsburgh Physicians Current Accepting new patients
Usc Care Medical Group, Inc CurrentSince Jun 1, 2020 Accepting new patients
University of Pittsburgh Physicians CurrentSince Jul 1, 2019 Accepting new patients
Usc University Hospital, Inc. Past Accepting new patients
Keck Medical Center of Usc Past Accepting new patients
Usc Verdugo Hills Hospital, LLC Past Accepting new patients

Locations

420 34th St
Bakersfield, CA 93301
Phone (661) 324-4647

11234 Anderson St
Loma Linda, CA 92350
Phone (909) 558-3016

1520 San Pablo St
Los Angeles, CA 90033
Phone (323) 442-5849

1500 San Pablo St
Rm 216
Los Angeles, CA 90033

1450 San Pablo St
Fl 2
Los Angeles, CA 90033

320 Main St
Johnstown, PA 15901
Phone (814) 533-0123

300 Halket St
Pittsburgh, PA 15213
Phone (412) 641-1000

2 Hot Metal St
#One
Pittsburgh, PA 15203
Phone (412) 432-5864

Interoperability endpoints

  • Direct secure messaging: tiannan.wang@direct.usc.edu

Organizations & group practices 8

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 2

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": "1401840000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786406400000",
    "number": "1003229329",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 31309",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900310309",
            "telephone_number": "323-442-2582"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1500 SAN PABLO ST RM 216",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900335313",
            "telephone_number": "323-442-2582"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1500 Duarte Rd",
            "address_purpose": "LOCATION",
            "city": "Duarte",
            "state": "CA",
            "postal_code": "910103012",
            "country_code": "US",
            "telephone_number": "800-826-4673",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WANG",
        "first_name": "TIANNAN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-06-04",
        "last_updated": "2026-08-11",
        "certification_date": "2026-08-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "CA",
            "license": "A149981",
            "primary": false
        },
        {
            "code": "207ZC0500X",
            "taxonomy_group": "",
            "desc": "Pathology, Cytopathology",
            "state": "CA",
            "license": "A149981",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "direct@cityofhope.direct-ci.com",
            "affiliation": "Y",
            "affiliationName": "CITY OF HOPE MEDICAL FOUNDATION",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1500 Duarte Rd",
            "city": "Duarte",
            "state": "CA",
            "country_code": "US",
            "postal_code": "910103012",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "tiannan.wang@direct.usc.edu",
            "affiliation": "Y",
            "affiliationName": "USC CARE MEDICAL GROUP, INC",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "1500 San Pablo St Rm 216",
            "city": "Los Angeles",
            "state": "CA",
            "country_code": "US",
            "postal_code": "900335313",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Los Angeles, CA

Sources for this page

Verify at the official NPI Registry.