Active NPI
Tri-Valley Medical Associates, Inc.
- Internal Medicine Physician
- Livermore, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- Legal business name
- TRI-VALLEY MEDICAL ASSOCIATES, INC.
- Practice address
- 87 Fenton St Ste 210
Livermore, CA 94550-4159 - Phone
- (925) 371-8885
- Fax
- (925) 371-8884
- NPI assigned
- Oct 7, 2008
- Last updated
- Jun 23, 2026
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Dr. Tsung Peter Wong, MD
- Title
- President
- Phone
- (925) 371-8885
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 5
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Family Medicine Physician | 207Q00000X | NU | ||
| Internal Medicine Physician | 207R00000X | NU | Primary | |
| Critical Care Medicine (Internal Medicine) Physician | 207RC0200X | NU | ||
| Pulmonary Disease Physician | 207RP1001X | NU | ||
| Sleep Medicine (Family Medicine) Physician | 207QS1201X | NU |
Addresses
Primary practice location
87 Fenton St Ste 210
Livermore, CA 94550-4159
Mailing address
87 Fenton St Ste 210
Livermore, CA 94550-4159
Phone (925) 371-8885
Other practice location 1
6155 Stoneridge Dr Ste 101
Pleasanton, CA 94588-3365
Phone (925) 460-9903
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
Enrollment records 1
Laboratory certificates & supplier records
Derived by NPIMapThese CMS records do not include an NPI. They are shown because their name and street address match this provider’s.
CLIA laboratory certificates
| CLIA number | Laboratory | Certificate | Expires |
|---|---|---|---|
| 05D1100560 | Tri-Valley Medical Associates | Certificate of waiver | Jun 7, 2027 |
National Provider Directory
National Provider DirectoryLocations
1133 E Stanley Blvd
Ste 117
Livermore, CA 94550
Phone (925) 371-8885
Practitioners & affiliated clinicians
Practitioners 7
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
-
- Family Medicine Physician
- Livermore, CA
- NPI 1073513156
-
- Family Medicine Physician
- Livermore, CA
- NPI 1508954017
-
- Internal Medicine Physician
- Pleasanton, CA
- NPI 1245347608
-
- Family Medicine Physician
- Pleasanton, CA
- NPI 1619977683
-
- Family Nurse Practitioner
- Livermore, CA
- NPI 1851800056
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1223337600000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1782172800000",
"number": "1801047931",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "87 FENTON ST STE 210",
"city": "LIVERMORE",
"state": "CA",
"postal_code": "945504159",
"telephone_number": "925-371-8885",
"fax_number": "925-371-8884"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "87 FENTON ST STE 210",
"city": "LIVERMORE",
"state": "CA",
"postal_code": "945504159",
"telephone_number": "925-371-8885",
"fax_number": "925-371-8884"
}
],
"practiceLocations": [
{
"address_1": "6155 Stoneridge Dr Ste 101",
"address_purpose": "LOCATION",
"city": "Pleasanton",
"state": "CA",
"postal_code": "945883365",
"country_code": "US",
"telephone_number": "925-460-9903",
"fax_number": "925-460-9904",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"organization_name": "TRI-VALLEY MEDICAL ASSOCIATES, INC.",
"organizational_subpart": "NO",
"enumeration_date": "2008-10-07",
"last_updated": "2026-06-23",
"certification_date": "2026-06-23",
"status": "A",
"authorized_official_last_name": "WONG",
"authorized_official_first_name": "TSUNG",
"authorized_official_middle_name": "PETER",
"authorized_official_title_or_position": "PRESIDENT",
"authorized_official_telephone_number": "925-371-8885",
"authorized_official_name_prefix": "Dr.",
"authorized_official_credential": "MD"
},
"taxonomies": [
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "NU",
"license": null,
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "NU",
"license": null,
"primary": true
},
{
"code": "207RC0200X",
"taxonomy_group": "",
"desc": "Internal Medicine, Critical Care Medicine",
"state": "NU",
"license": null,
"primary": false
},
{
"code": "207RP1001X",
"taxonomy_group": "",
"desc": "Internal Medicine, Pulmonary Disease",
"state": "NU",
"license": null,
"primary": false
},
{
"code": "207QS1201X",
"taxonomy_group": "",
"desc": "Family Medicine, Sleep Medicine",
"state": "NU",
"license": null,
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Livermore, CA
- Tri Valley Hospice, LLC (Hospice Alliance)
- Tri Valley Optometry
- Tri-Valley Ambulatory Surgery Center, LLC
- Tri-Valley Counseling Center
- Tri-Valley Family Medicine
- Tri-Valley Orthopedic Sports and Medical Group Inc (Tri-Valley Orthopedic Specialists Inc)
- Tri-Valleyob-GYN Medical Group Inc
- Trivalley Highline Foot and Ankle Specialists, PC
- Trivalley Vasectomy Inc.
- Brittany Trubl, RN
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 23, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.