Organization Active NPI

Marin Endocrine Care & Research Inc

  • Nurse Practitioner
  • Greenbrae, CA
National Provider Identifier
1780792523
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
9726 Issued in CA
Legal business name
MARIN ENDOCRINE CARE & RESEARCH INC
Practice address
900 South Eliseo Drive
#201
Greenbrae, CA 94904
Phone
(415) 461-1780
Fax
(415) 461-7378
NPI assigned
Aug 29, 2006
Last updated
Sep 11, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Authorized official

Name
Mr. Richard I Bernstein, MDNPI 1780750406
Title
Owner
Phone
(415) 461-1780

Authorized official NPPES reports the official by name only. The link goes to the one practitioner with that name whose NPPES practice address or phone number is this organization’s.

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X 9726 CA Primary
Registered Nurse 163W00000X 540997 CA
Endocrinology, Diabetes & Metabolism Physician 207RE0101X 00G179390 CA
Endocrinology, Diabetes & Metabolism Physician 207RE0101X 00G353640 CA

Addresses

Primary practice location

900 South Eliseo Drive
#201
Greenbrae, CA 94904

Mailing address

900 South Eliseo Drive
#201
Greenbrae, CA 94904
Phone (415) 461-1780

Other identifiers 3

IdentifierTypeStateIssuer
00G179390OtherCABERNSTEIN LICENSE
00G353640OtherCAGAUDIANI LICENSE
GR0040590MedicaidCA

Other names 1

  • Marin Endocrine Medical Group Inc Former legal business name

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
05D2202878Marin Endocrine Research900 S Eliseo Dr Ste 203, Greenbrae, CA 94904Certificate of waiverNov 30, 2026

National Provider Directory

National Provider Directory

Practitioners & affiliated clinicians

Practitioners 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1156809600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1780792523",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "900 SOUTH ELISEO DRIVE",
            "address_2": "#201",
            "city": "GREENBRAE",
            "state": "CA",
            "postal_code": "94904",
            "telephone_number": "415-461-1780",
            "fax_number": "415-461-7378"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "900 SOUTH ELISEO DRIVE",
            "address_2": "#201",
            "city": "GREENBRAE",
            "state": "CA",
            "postal_code": "94904",
            "telephone_number": "415-461-1780",
            "fax_number": "415-461-7378"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MARIN ENDOCRINE CARE & RESEARCH INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-08-29",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "BERNSTEIN",
        "authorized_official_first_name": "RICHARD",
        "authorized_official_middle_name": "I",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "415-461-1780",
        "authorized_official_name_prefix": "Mr.",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "CA",
            "license": "9726",
            "primary": true
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "CA",
            "license": "540997",
            "primary": false
        },
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "CA",
            "license": "00G179390",
            "primary": false
        },
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "CA",
            "license": "00G353640",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BERNSTEIN LICENSE",
            "identifier": "00G179390",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "GAUDIANI LICENSE",
            "identifier": "00G353640",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GR0040590",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Marin Endocrine Medical Group Inc",
            "code": "4",
            "type": "Former Legal Business Name"
        }
    ]
}

Other providers in Greenbrae, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.