Halle M Ostman, RN

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

95038392 Issued in CA

Practice address

11150 Ca-1
Point Reyes Station, CA 94956

Phone

(415) 663-1082

NPI assigned

Jan 23, 2025

Last updated

May 26, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Registered Nurse

State licenses

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

{
    "created_epoch": "1737590400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779753600000",
    "number": "1275345449",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11150 CA-1",
            "city": "POINT REYES STATION",
            "state": "CA",
            "postal_code": "94956",
            "telephone_number": "415-663-1082",
            "fax_number": "415-663-9474"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11150 CA-1",
            "city": "POINT REYES STATION",
            "state": "CA",
            "postal_code": "94956",
            "telephone_number": "415-663-1082"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2222 Bancroft Way",
            "address_purpose": "LOCATION",
            "city": "Berkeley",
            "state": "CA",
            "postal_code": "947204301",
            "country_code": "US",
            "telephone_number": "510-642-2000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OSTMAN",
        "first_name": "HALLE",
        "middle_name": "M",
        "credential": "RN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-01-23",
        "last_updated": "2026-05-26",
        "certification_date": "2026-05-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "CA",
            "license": "95038392",
            "primary": true
        },
        {
            "code": "163WP2201X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Ambulatory Care",
            "state": "CA",
            "license": "95356160",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Megan Landeck, NP
• Marin Healthcare District
• Ann M Mendenhall, PA-C
• Sheryl Morgan
• Lesley Ann Osman, MFT
• Lemny Perez, M.A.
• Petaluma Health Center Inc (Point Reyes Medical Clinic)
• Petaluma Health Center, Inc. (Point Reyes Community Health Center Pharmacy)
• Kelsey Elaine Phelps
• Rebecca A Porrata, PHN

• Nurse Practitioner in Point Reyes Station, CA
• Providers in Point Reyes Station, CA by specialty
• Nurse Practitioner in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 26, 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.