Ann Marie Boss, CNM

Primary specialty

MidwifeTaxonomy code 176B00000X

License

1231 Issued in CA

Practice address

30057 Avenida Tranquila
Rancho Palos Verdes, CA 90275-4514

Phone

(310) 947-9902

Fax

(424) 251-5972

NPI assigned

Jan 10, 2022

Last updated

Aug 20, 2025By the provider in NPPES

Sex

Female

Sole proprietor

Yes

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

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Opted out of Medicare

Yes, effective Nov 20, 2025 through Nov 20, 2027

Medicare enrollment (NPD)

Not enrolled

Credentials

Certified Nurse Midwife

State licenses

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

{
    "created_epoch": "1641772800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755648000000",
    "number": "1376204503",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "30057 AVENIDA TRANQUILA",
            "city": "RANCHO PALOS VERDES",
            "state": "CA",
            "postal_code": "902754514",
            "telephone_number": "310-947-9902"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "30057 AVENIDA TRANQUILA",
            "city": "RANCHO PALOS VERDES",
            "state": "CA",
            "postal_code": "902754514",
            "telephone_number": "310-947-9902",
            "fax_number": "424-251-5972"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BOSS",
        "first_name": "ANN",
        "middle_name": "MARIE",
        "name_prefix": "Mrs.",
        "credential": "CNM",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2022-01-10",
        "last_updated": "2025-08-20",
        "certification_date": "2025-08-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367A00000X",
            "taxonomy_group": "",
            "desc": "Advanced Practice Midwife",
            "state": "HI",
            "license": "APRN-557-0",
            "primary": false
        },
        {
            "code": "176B00000X",
            "taxonomy_group": "",
            "desc": "Midwife",
            "state": "CA",
            "license": "1231",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kathleen Mary Blenko
• Michael R Booher
• Willie Benton Boone, M.D.
• Bernard Morton Borgida, M.D.
• Alyssa Borrilez, IBCLC
• Heather Bowman, OD
• Wesley G. Bradford, MD
• Sean Brennan
• Gayne M Brenneman, M.D.
• Julia Brown, RDN

• Midwife in Rancho Palos Verdes, CA
• Providers in Rancho Palos Verdes, CA by specialty
• Midwife in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 20, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring; Opt Out Affidavits.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.