NPIMap

Individual provider Active NPI

Vassilis Jerry Siomos, M.D.

  • Urology Physician
  • Kalispell, MT
National Provider Identifier
1598907149
Registry record updated Nov 27, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Urology PhysicianTaxonomy code 208800000X
License
41781 Issued in MT
Practice address
350 Heritage Way Ste 2300
Kalispell, MT 59901-3167
Phone
(406) 752-8456
NPI assigned
Mar 28, 2009
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Nov 27, 2023

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Urology Physician 208800000X 41781 MT Primary

Addresses

Primary practice location

350 Heritage Way Ste 2300
Kalispell, MT 59901-3167

Mailing address

350 Heritage Way
Suite 2300
Kalispell, MT 59901-3158
Phone (406) 752-8456

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address krmcmedicalrecords@krhdirect.org Kalispell Regional Medical Center Inc

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20150914001570 MT Practitioner - Urology 2264753466 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Urology
Education
Loyola University of Chicago, Stritch School of Medicine, 2009
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Kalispell Regional Medical Center IncGroup PAC ID 5294644381, 422 clinicians

Practice addresses (Care Compare)

1600 Hospital Way
Whitefish, MT 59937-7849
Phone (406) 863-3500

298 Osloski Rd
Eureka, MT 59917-9058
Phone (406) 297-7713

310 Sunnyview LN
Kalispell, MT 59901-3129
Phone (406) 751-6725

320 Sunnyview LN
Kalispell, MT 59901-3129
Phone (406) 756-3526

350 Heritage Way
Kalispell, MT 59901-3167

Hospital & facility affiliations

  • Logan Health Medical Center Hospital, Kalispell, MT, CCN 270051
  • Logan Health - Whitefish Hospital, Whitefish, MT, CCN 271336
  • Cabinet Peaks Medical Center Hospital, Libby, MT, CCN 271320
  • St Luke Community Hospital Hospital, Ronan, MT, CCN 271325
  • Clark Fork Valley Hospital Hospital, Plains, MT, CCN 271323

Procedures performed for Medicare patients

ProcedureNumber of procedures
Hernia repair (minimally invasive)1-10
Prostate resection18
Melanoma (skin cancer) excision1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
41781MTMDUrology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Kalispell Regional Medical Center Inc Current Accepting new patients
Kalispell Regional Medical Center Inc CurrentSince Jan 15, 2019 Accepting new patients
Kalispell Regional Medical Center, Inc CurrentSince Jan 15, 2019 Accepting new patients
Kalispell Regional Medical Center, Inc Past Accepting new patients

Locations

350 Heritage Way
Ste 2100
Kalispell, MT 59901
Phone (406) 257-8992

350 Heritage Way
Ste 2300
Kalispell, MT 59901
Phone (406) 752-8456

310 Sunnyview Ln
Kalispell, MT 59901
Phone (406) 751-5310

Interoperability endpoints

  • Direct secure messaging: krmcmedicalrecords@krhdirect.org

Ownership & related parties

All facility ownership & control disclosures 9

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

FacilityTypeRoleSince
Logan Health Medical CenterKalispell, MT, CCN 270051 Hospital Corporate Director Jul 1, 2022
Logan Health - WhitefishWhitefish, MT, CCN 271336 Hospital Corporate Director Feb 24, 2025
Logan Health - WhitefishWhitefish, MT, CCN 27Z336 Hospital Corporate Director Feb 24, 2025
Logan Health Brendan HouseKalispell, MT, CCN 275109 Skilled nursing facility Corporate Director Jul 1, 2022
Logan Health - ConradConrad, MT, CCN 275119 Skilled nursing facility Corporate Director Jul 1, 2022
Logan Health Home CareKalispell, MT, CCN 277053 Home health agency Corporate Director Jul 1, 2022
Logan Health HospiceKalispell, MT, CCN 271515 Hospice Corporate Director Jul 1, 2022
Logan Health Rural Health Clinic-EurekaEureka, MT, CCN 273423 Rural health clinic Corporate Director Feb 24, 2025
Logan Health Primary Care-Columbia Falls-TalbotColumbia Falls, MT, CCN 273424 Rural health clinic Corporate Director Feb 24, 2025

Owned or controlled facilities with NPI records 15

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

View all 15

Organizations & group practices 5

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 11

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": "1238198400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1701043200000",
    "number": "1598907149",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "350 HERITAGE WAY",
            "address_2": "SUITE 2300",
            "city": "KALISPELL",
            "state": "MT",
            "postal_code": "599013158",
            "telephone_number": "406-752-8456"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "350 HERITAGE WAY STE 2300",
            "city": "KALISPELL",
            "state": "MT",
            "postal_code": "599013167",
            "telephone_number": "406-752-8456"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIOMOS",
        "first_name": "VASSILIS",
        "middle_name": "JERRY",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2009-03-28",
        "last_updated": "2023-11-27",
        "certification_date": "2020-06-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "MT",
            "license": "41781",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "krmcmedicalrecords@krhdirect.org",
            "affiliation": "Y",
            "affiliationName": "Kalispell Regional Medical Center Inc",
            "address_1": "350 Heritage Way Ste 2300",
            "city": "Kalispell",
            "state": "MT",
            "country_code": "US",
            "postal_code": "599013167",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Kalispell, MT

Sources for this page

Verify at the official NPI Registry.