NPIMap

Individual provider Active NPI

Hannah Marie Mentjes, PA-C

  • Physician Assistant
  • Stanford, CA
National Provider Identifier
1437706652
Registry record updated Oct 29, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
59684 Issued in CA
Practice address
300 Pasteur Dr
Stanford, CA 94305-2200
Phone
(650) 723-4000
NPI assigned
Aug 22, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 29, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 59684 CA Primary
Medical Physician Assistant 363AM0700X 59684 CA

Addresses

Primary practice location

300 Pasteur Dr
Stanford, CA 94305-2200

Mailing address

300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000

Medicare participation

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

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20191104003059 MO Practitioner - Physician Assistant 5890027247 Reassigns benefits to 1 organization
I20210825003399 CA Practitioner - Physician Assistant 5890027247 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Stanford Health CareGroup PAC ID 6709797491, 3,152 clinicians

Practice addresses (Care Compare)

300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
98.98 of 100Reported as group
Quality
95
Improvement activities
40
Cost
80.65

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
59684CAMDEndodontist

Practice roles

OrganizationSpecialtyStatusNew patients
University of California San Francisco CurrentSince Jul 18, 2022 Accepting new patients
University of California San Francisco CurrentSince Jul 18, 2022 Accepting new patients
UCSF Medical Group Business Services CurrentSince Jul 18, 2022 Accepting new patients
Saint Luke'S Physician Group Inc CurrentSince Nov 24, 2019 Accepting new patients
Stanford Health Care CurrentSince Aug 18, 2021 Accepting new patients
Stanford Health Care CurrentSince Aug 18, 2021 Accepting new patients

Locations

2330 Post St
San Francisco, CA 94115
Phone (415) 502-4444

505 Parnassus Ave
San Francisco, CA 94143
Phone (415) 476-9058

400 Parnassus Ave
#A632
San Francisco, CA 94143
Phone (415) 473-1000

300 Pasteur Dr
Stanford, CA 94305
Phone (650) 498-5710

5844 NW Barry Rd
Ste 110
Kansas City, MO 64154
Phone (816) 880-6100

901 E 104th St
Stop 400S
Kansas City, MO 64131

601 S US Highway 169
Smithville, MO 64089
Phone (816) 532-3999

Interoperability endpoints

  • Direct secure messaging: hmentjes244124@direct-ucsfmedicalcenter.org

Organizations & group practices 9

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.

Hospital & facility affiliations 7

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": "1566432000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761696000000",
    "number": "1437706652",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MENTJES",
        "first_name": "HANNAH",
        "middle_name": "MARIE",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-08-22",
        "last_updated": "2025-10-29",
        "certification_date": "2025-10-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CA",
            "license": "59684",
            "primary": true
        },
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "CA",
            "license": "59684",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Stanford, CA

Sources for this page

Verify at the official NPI Registry.