Darlene Michelle Fields, CRNA

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

RN500192 Issued in CA

Practice address

PO Box 18923
Oakland, CA 94619-0923

Phone

(510) 269-1792

NPI assigned

Apr 28, 2006

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

Enrolled in CA

Enrollment records 1

Merit-based Incentive Payment System (MIPS)

Final score

98.98 of 100Reported as group

Quality

95

Improvement activities

40

Cost

80.65

Medicare enrollment (NPD)

Enrolled

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.

• Permanente Medical Group Inc

  • Internal Medicine Physician
  • Santa Clara, CA
  • NPI 1073606299
  Medicare reassignment NPD
• UCSF Medical Group Business Services

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1477624104
  Medicare reassignment NPD
• University of California San Francisco

  • Pediatrics Physician
  • San Francisco, CA
  • NPI 1861578973
  Medicare reassignment NPD
• St. Joseph Health Northern California, LLC

  • General Acute Care Hospital
  • Napa, CA
  • NPI 1235218785
  Medicare reassignment
• University Anesthesia Medical Group

  • Anesthesiology Physician
  • San Francisco, CA
  • NPI 1528137296
  Medicare reassignment
• Permanente Medical Group, Inc

  • Clinical Medical Laboratory
  • San Jose, CA
  • NPI 1497971584
  NPD
• UCSF Medical Group Business Services

  • Health Service Clinic/Center
  • San Francisco, CA
  • NPI 1194115246
  NPD
• University of California San Francisco

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1164512851
  NPD
• University of California San Francisco

  • Community/Retail Pharmacy
  • San Francisco, CA
  • NPI 1659141711
  NPD

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

{
    "created_epoch": "1146182400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1740441600000",
    "number": "1730146903",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 18923",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946190923",
            "telephone_number": "510-339-3912"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "PO BOX 18923",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946190923",
            "telephone_number": "510-269-1792"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FIELDS",
        "first_name": "DARLENE",
        "middle_name": "MICHELLE",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-04-28",
        "last_updated": "2025-02-25",
        "certification_date": "2025-02-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "CA",
            "license": "RN500192",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lauren Field, MA
• Aminata Fielder, LMFT
• Joseph E Fielding
• Jillian Fields-Hirschler, MSC
• Daniel L. Fields, CMT, MSTCM
• Grace Ann Fields
• Jamie Lyn Fields
• Kabrea Fields
• Mary Joveta Fierro
• Valentina Fierro

• Certified Registered Nurse Anesthetist in Oakland, CA
• Providers in Oakland, CA by specialty
• Certified Registered Nurse Anesthetist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 25, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.