Individual provider Active NPI

Mark Laverne Janzen, MD

  • Vascular Surgery Physician
  • Riverside, CA
National Provider Identifier
1932329265
Registry record updated Jan 27, 2017
On this page

Key facts

NPPES NPI Registry
Primary specialty
Vascular Surgery PhysicianTaxonomy code 2086S0129X
License
A90203 Issued in CA
Practice address
10800 Magnolia Avenue,
Kaiser Permanente Riverside Medical Center
Riverside, CA 92505
Phone
(440) 781-0931
NPI assigned
Apr 27, 2007
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 27, 2017

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X 089484 OH
Trauma Surgery Physician 2086S0127X 089484 OH
Vascular Surgery Physician 2086S0129X A90203 CA Primary

Addresses

Primary practice location

10800 Magnolia Avenue,
Kaiser Permanente Riverside Medical Center
Riverside, CA 92505

Mailing address

10800 Magnolia Avenue, Mob1, 2ND Floor, Module 216
Kaiser Permanente Riverside Medical Center
Riverside, CA 92505
Phone (440) 781-0931

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OR, 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
I20201117000701 OR Practitioner - Vascular Surgery 6608976139 Reassigns benefits to 1 organization
I20230213001289 CA Practitioner - Vascular Surgery 6608976139 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Vascular Surgery
Education
Other, 2001
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Enloe Medical CenterGroup PAC ID 9739092388, shared by 18 NPIs, 330 clinicians

Practice addresses (Care Compare)

1026 Mangrove Ave
Suite 10
Chico, CA 95926-3556
Phone (530) 332-7144

1600 Esplanade
Suite C
Chico, CA 95926-3369
Phone (530) 332-4470

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
81.49 of 100Reported as group
Quality
60.52
Promoting interoperability
100
Improvement activities
40
Cost
68.7

Procedures performed for Medicare patients

ProcedureNumber of procedures
Spinal fusion1-10
Coronary artery bypass graft (CABG)1-10
Varicose vein removal1-10
Leg revascularization (restoring blood flow)59
Removal of tissue89
Removal of skin lesions1-10
Skin biopsy1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
089484OHMDSurgery Physician
A90203CAMDVascular Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Enloe Medical Center Vascular Surgery CurrentSince Nov 19, 2024 Accepting new patients
Enloe Medical Center CurrentSince Jan 15, 2023 Accepting new patients
Kaiser Foundation Health Plan of the Northwest Surgery CurrentSince Nov 9, 2020 Accepting new patients
Enloe Medical Center Vascular Surgery CurrentSince Jan 15, 2023 Accepting new patients
Enloe Medical Center Past Accepting new patients
Curators of the University of Missouri Past Accepting new patients

Locations

1026 Mangrove Ave
Ste 10
Chico, CA 95926
Phone (530) 332-7144

1390 E Lassen Ave
Chico, CA 95973
Phone (530) 332-6332

1600 Esplanade
Ste C
Chico, CA 95926
Phone (530) 332-4470

10100 SE Sunnyside Rd
Clackamas, OR 97015
Phone (503) 571-2946

7201 N Interstate Ave
Portland, OR 97217
Phone (503) 240-4051

2400 Lancaster Dr NE
Salem, OR 97305
Phone (503) 361-5400

1230 7th Ave
Longview, WA 98632
Phone (360) 575-4801

7101 NE 137th Ave
Vancouver, WA 98682
Phone (360) 418-6000

Interoperability endpoints

  • Direct secure messaging: mjanzen67482@enloedirect.org

Organizations & group practices 6

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 5

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": "1177632000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1485475200000",
    "number": "1932329265",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10800 MAGNOLIA AVENUE, MOB1, 2ND FLOOR, MODULE 216",
            "address_2": "KAISER PERMANENTE RIVERSIDE MEDICAL CENTER",
            "city": "RIVERSIDE",
            "state": "CA",
            "postal_code": "92505",
            "telephone_number": "440-781-0931"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10800 MAGNOLIA AVENUE,",
            "address_2": "KAISER PERMANENTE RIVERSIDE MEDICAL CENTER",
            "city": "RIVERSIDE",
            "state": "CA",
            "postal_code": "92505",
            "telephone_number": "440-781-0931"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JANZEN",
        "first_name": "MARK",
        "middle_name": "LAVERNE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-04-27",
        "last_updated": "2017-01-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "OH",
            "license": "089484",
            "primary": false
        },
        {
            "code": "2086S0127X",
            "taxonomy_group": "",
            "desc": "Surgery, Trauma Surgery",
            "state": "OH",
            "license": "089484",
            "primary": false
        },
        {
            "code": "2086S0129X",
            "taxonomy_group": "",
            "desc": "Surgery, Vascular Surgery",
            "state": "CA",
            "license": "A90203",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Riverside, CA

Sources for this page

Verify at the official NPI Registry.