Marion Macphail Peterson, RN MFT

Primary specialty

Registered NurseTaxonomy code 163W00000X

License

RN 233108 Issued in CA

Practice address

1756 Lacassie Avenue
Suite 200
Walnut Creek, CA 94596-7002

Phone

(925) 933-8300

Fax

(510) 843-0276

NPI assigned

Apr 3, 2007

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

Other names 1

• Mrs. Marnie Macphail Peterson Other name

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Opted out of Medicare

Yes, effective Feb 28, 2024 through Feb 29, 2028

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": "1175558400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1538280854",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1756 LACASSIE AVENUE",
            "address_2": "SUITE 200",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945967002",
            "telephone_number": "925-933-8300",
            "fax_number": "510-843-0276"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1756 LACASSIE AVENUE",
            "address_2": "SUITE 200",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945967002",
            "telephone_number": "925-933-8300",
            "fax_number": "510-843-0276"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PETERSON",
        "first_name": "MARION",
        "middle_name": "MACPHAIL",
        "name_prefix": "Mrs.",
        "credential": "RN MFT",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-04-03",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "106H00000X",
            "taxonomy_group": "",
            "desc": "Marriage & Family Therapist",
            "state": "CA",
            "license": "MFC 32921",
            "primary": false
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "CA",
            "license": "RN 233108",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MARNIE",
            "last_name": "PETERSON",
            "middle_name": "MACPHAIL",
            "prefix": "MRS.",
            "credential": "RN MFT",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• Johannes Gerhard Peters, MD
• Kate Petersen, PSY.D
• Colleen Peterson
• Leah Taylor Peterson, AU.D.
• Linda Marie Peterson, CNM
• Shannon Peterson, M.D.
• John Joseph Petrini Jr., D.D.S, M.S.
• Nicole Ramos Petro, PA-C
• Stacey Elizabeth Petrowsky, MA, LMFT
• David Lewis Pfeifer

• Registered Nurse in Walnut Creek, CA
• Providers in Walnut Creek, CA by specialty
• Registered Nurse in California

• 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 enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.