Individual provider Active NPI

Mia Elizabeth Geurts, MD

  • Emergency Medicine Physician
  • Napa, CA
National Provider Identifier
1932646064
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
A196779 Issued in CA
Practice address
1000 Trancas St
Napa, CA 94558-2906
Phone
(707) 252-4411
NPI assigned
Jan 26, 2017
Last updated
Jul 13, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 31158 NE
Emergency Medicine Physician 207P00000X MD-21585 HI
Emergency Medicine Physician 207P00000X A196779 CA Primary

Addresses

Primary practice location

1000 Trancas St
Napa, CA 94558-2906

Mailing address

1000 Trancas St
Napa, CA 94558-2906

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in HI, CA2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20230209002698 HI Practitioner - Emergency Medicine 7416329925 Reassigns benefits to 1 organization
I20250529004216 CA Practitioner - Emergency Medicine 7416329925 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Harvard Medical School, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Napa Valley Emergency Medical GroupGroup PAC ID 5698664977, 21 clinicians

Practice addresses (Care Compare)

1000 Trancas St
Napa, CA 94558-2906
Phone (707) 257-4014

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
83.72 of 100Reported as group
Quality
67.55
Promoting interoperability
100
Improvement activities
40
Cost
78.18

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A196779CAMDEmergency Medicine Physician
MD-21585HIMDEmergency Medicine Physician
31158NEMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Straub Clinic & Hospital CurrentSince Dec 12, 2022 Accepting new patients
Straub Clinic & Hospital CurrentSince Dec 12, 2022 Accepting new patients
Napa Valley Emergency Medical Group Emergency Medicine CurrentSince May 1, 2025 Accepting new patients

Locations

1000 Trancas St
Napa, CA 94558
Phone (707) 226-2901

347 Andrieux St
Sonoma, CA 95476
Phone (707) 935-5000

888 S King St
Honolulu, HI 96813
Phone (808) 522-4000

Organizations & group practices 3

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

Hospital & facility affiliations 3

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1485388800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1932646064",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1000 TRANCAS ST",
            "city": "NAPA",
            "state": "CA",
            "postal_code": "945582906"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1000 TRANCAS ST",
            "city": "NAPA",
            "state": "CA",
            "postal_code": "945582906",
            "telephone_number": "707-252-4411"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GEURTS",
        "first_name": "MIA",
        "middle_name": "ELIZABETH",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-01-26",
        "last_updated": "2026-07-13",
        "certification_date": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "NE",
            "license": "31158",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "HI",
            "license": "MD-21585",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A196779",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Napa, CA

Sources for this page

Verify at the official NPI Registry.