Whitney Michelle O'Brien, CNM

Primary specialty

Advanced Practice MidwifeTaxonomy code 367A00000X

License

168447 Issued in AZ

Practice address

1300 N 12TH St Ste 620
Phoenix, AZ 85006-2850

Phone

(602) 283-3668

Fax

(833) 471-4328

NPI assigned

Feb 17, 2026

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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": "1771286400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771891200000",
    "number": "1407709801",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1119 E FLYNN LN",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850141039",
            "telephone_number": "623-687-6274"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1300 N 12TH ST STE 620",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850062850",
            "telephone_number": "602-283-3668",
            "fax_number": "833-471-4328"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "WHITNEY",
        "middle_name": "MICHELLE",
        "credential": "CNM",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-02-17",
        "last_updated": "2026-02-24",
        "certification_date": "2026-02-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367A00000X",
            "taxonomy_group": "",
            "desc": "Advanced Practice Midwife",
            "state": "AZ",
            "license": "168447",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nancy Sue O'Brien, RN
• Patrick John O'Brien, P.T.
• Patrick William O'Brien, PA
• Regina M O'Brien, LPC
• Susan G O'Brien, WHNP
• Martha Marin O'Bryan, M.S.
• Karin J O'Clair, D.O.
• Catherine S O'Connell, PHD
• Devon O'Connell, NP
• Hayley Elizabeth O'Connell, PA-C

• Advanced Practice Midwife in Phoenix, AZ
• Providers in Phoenix, AZ by specialty
• Advanced Practice Midwife in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 24, 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.