Cristina Baldia Yttrup

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

95017690 Issued in CA

Practice address

2637 Shadelands Dr
Walnut Creek, CA 94598-2512

Phone

(925) 932-6330

NPI assigned

May 7, 2021

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

Green means eligible to order or refer.

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Bass Medical Group

  • Obstetrics & Gynecology Physician
  • Walnut Creek, CA
  • NPI 1174253405

  Multi-Specialty

  NPD
• Bass Medical Group

  • Orthopaedic Surgery Physician
  • San Ramon, CA
  • NPI 1467329904

  Multi-Specialty

  NPD
• Bass Medical Group

  • Podiatrist
  • Walnut Creek, CA
  • NPI 1811479504

  Multi-Specialty

  NPD
• Bass Medical Group

  • Specialist
  • Walnut Creek, CA
  • NPI 1154401941

  Multi-Specialty

  NPD (past)

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

{
    "created_epoch": "1620345600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1739145600000",
    "number": "1962086819",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2637 SHADELANDS DR",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945982512",
            "telephone_number": "925-932-6330",
            "fax_number": "925-932-0139"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2637 SHADELANDS DR",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945982512",
            "telephone_number": "925-932-6330"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1601 Ygnacio Valley Rd",
            "address_purpose": "LOCATION",
            "city": "Walnut Creek",
            "state": "CA",
            "postal_code": "945983122",
            "country_code": "US",
            "telephone_number": "925-939-3000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "YTTRUP",
        "first_name": "CRISTINA",
        "middle_name": "BALDIA",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2021-05-07",
        "last_updated": "2025-02-10",
        "certification_date": "2025-02-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "CA",
            "license": "767063",
            "primary": false
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Nurse Practitioner",
            "state": "CA",
            "license": "95017690",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sequence Young
• Steven Michael Young, M.D.
• Colton Roy Yount, AA PSYCHOLOGY
• Farah Sabah Yousif Samaan, PHARMD
• Claire M Yragui
• Addison Yu
• Alexandra Yu
• Daniel Y. Yu, MD
• Patrick Yu, LMFT
• Richard Yu, MD

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 10, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.