Individual provider Active NPI

Lorilyn L Seid, M.D.

  • Internal Medicine Physician
  • Emeryville, CA
National Provider Identifier
1245209204
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
A75441 Issued in CA
Practice address
1250 45TH St
Ste 355
Emeryville, CA 94608-2924
Phone
(510) 596-8988
Fax
(510) 596-8956
NPI assigned
Mar 14, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X A75441 CA Primary

Addresses

Primary practice location

1250 45TH St
Ste 355
Emeryville, CA 94608-2924

Mailing address

153 5TH Ave
San Francisco, CA 94118-1309
Phone (510) 596-8988

Medicare participation

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

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
HHS exclusion list flag
Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Inpatient Consultants of California, Inc. Internal Medicine Past Accepting new patients

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": "1142294400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1245209204",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "153 5TH AVE",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941181309",
            "telephone_number": "510-596-8988",
            "fax_number": "510-596-8956"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1250 45TH ST",
            "address_2": "STE 355",
            "city": "EMERYVILLE",
            "state": "CA",
            "postal_code": "946082924",
            "telephone_number": "510-596-8988",
            "fax_number": "510-596-8956"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SEID",
        "first_name": "LORILYN",
        "middle_name": "L",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-03-14",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A75441",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Emeryville, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.