NPIMap

Organization Active NPI

Premise Health of California Medical PC

Doing business as Occupational Health Services BI Fremont

  • Occupational Medicine Clinic/Center
  • Fremont, CA
National Provider Identifier
1093311615
Registry record updated Oct 16, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Occupational Medicine Clinic/CenterTaxonomy code 261QX0100X
Legal business name
PREMISE HEALTH OF CALIFORNIA MEDICAL PC
Doing business as
Occupational Health Services BI Fremont
Practice address
6701 Kaiser Dr
Fremont, CA 94555-3659
Phone
(510) 284-6395
Fax
(510) 574-1980
NPI assigned
Dec 9, 2020
Last updated
Oct 16, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Oct 16, 2025

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

Authorized official

Name
Dr. Jon Leizman, MD
Title
President
Phone
(216) 479-9063

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Occupational Medicine Clinic/Center 261QX0100X Primary

Addresses

Primary practice location

6701 Kaiser Dr
Fremont, CA 94555-3659

Mailing address

5500 Maryland Way Ste 120
Brentwood, TN 37027-4993

Other names 1

  • Occupational Health Services BI Fremont Doing business as

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
05D2150378Occupational Health Services - Bi Fremont6701 Kaiser Dr, Fremont, CA 94555Certificate of waiverJun 21, 2028

National Provider Directory

National Provider Directory
Tax ID family
Premise Health of California Medical PC56 organizations share this tax ID, including this one

Organizations with this tax ID in the same state 17

This tax ID family is large, so up to 24 of its organizations in the same state are linked here.

View all 17

Locations

6701 Kaiser Dr
Fremont, CA 94555
Phone (510) 284-6395

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1607472000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1760572800000",
    "number": "1093311615",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5500 MARYLAND WAY STE 120",
            "city": "BRENTWOOD",
            "state": "TN",
            "postal_code": "370274993"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6701 KAISER DR",
            "city": "FREMONT",
            "state": "CA",
            "postal_code": "945553659",
            "telephone_number": "510-284-6395",
            "fax_number": "510-574-1980"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "PREMISE HEALTH OF CALIFORNIA MEDICAL PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2020-12-09",
        "last_updated": "2025-10-16",
        "certification_date": "2025-10-16",
        "status": "A",
        "authorized_official_last_name": "LEIZMAN",
        "authorized_official_first_name": "JON",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "216-479-9063",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "261QX0100X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Occupational Medicine",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Occupational Health Services BI Fremont",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Occupational Health Services BI Fremont",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Fremont, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 16, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • 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.

Verify at the official NPI Registry.