VASSILIS JERRY SIOMOS M.D.
NPI 1598907149
Urology in Kalispell, MT

NPI Status: Active since March 28, 2009

Contact Information

350 HERITAGE WAY STE 2300
KALISPELL, MT
ZIP 59901
Phone: (406) 752-8456

NPI Profile Information
Primary Taxonomy
Insurance Plans Accepted
Medicare Participation & PECOS Status
Areas of Expertise
Durable Medical Equipment
Physician Visit Costs
Quality Reporting
Hospital Affiliations - Privileges
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Years of Experience 17
Urology
Accepts Insurance
Accepts Medicare Approved Payment
PECOS Enrolled
Medicare Quality Reporting

About VASSILIS SIOMOS

This page provides the complete NPI Profile along with additional information for Vassilis Siomos, a provider established in Kalispell, Montana with a medical specialization in Urology and more than 17 years of experience. He graduated from Loyola University Of Chicago, Stritch School Of Medicine in 2009. The healthcare provider is registered in the NPI registry with number 1598907149 assigned on March 2009. The practitioner's primary taxonomy code is 208800000X with license number 41781 (MT). The provider is registered as an individual and his NPI record was last updated 3 years ago.

NPI: 1598907149
Provider Name: VASSILIS JERRY SIOMOS M.D.
Gender: Male
Entity Type: Individual
Location Address: 350 HERITAGE WAY STE 2300 KALISPELL, MT 59901
Location Phone: (406) 752-8456
Mailing Address: 350 HERITAGE WAY SUITE 2300 KALISPELL, MT 59901
Mailing Phone: (406) 752-8456
Medical School Name: LOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduation Year: 2009
Is Sole Proprietor?: Yes
Enumeration Date: 03-28-2009
Last Update Date: 11-27-2023
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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification: Urology
Taxonomy Code: 208800000X
Type: Allopathic & Osteopathic Physicians
License No.: 41781
License State: MT
Taxonomy Description: A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Blue Cross and Blue Shield of Montana

Blue Focus Bronze POS? 205 - POS
Blue Focus Bronze POS? 705 - POS
Blue Focus Bronze POS? Standard - POS
Blue Focus Gold POS? 207 - POS
Blue Focus Gold POS? 902 - POS
Blue Focus Gold POS? Standard - POS
Blue Focus Silver POS? 206 - POS
Blue Focus Silver POS? 903 - POS
Blue Focus Silver POS? Standard - POS
Blue Preferred Bronze PPO? 201 - PPO
Blue Preferred Bronze PPO? 202 - PPO
Blue Preferred Bronze PPO? Standard - PPO
Blue Preferred Gold PPO? 204 - PPO
Blue Preferred Gold PPO? 901 - PPO
Blue Preferred Gold PPO? Standard - PPO
Blue Preferred Security PPO? 200 - PPO
Blue Preferred Silver PPO? 203 - PPO
Blue Preferred Silver PPO? 308 - PPO
Blue Preferred Silver PPO? Standard - PPO

Mountain Health CO-OP

Peak PPO Bronze HDHP - PPO
Peak PPO Bronze Standard - PPO
Peak PPO Catastrophic - PPO
Peak PPO Gold - PPO
Peak PPO Gold Standard - PPO
Peak PPO Silver - PPO
Peak PPO Silver Standard - PPO
Plus Bronze - PPO
Plus Bronze Standard - PPO
Plus Gold - PPO
Plus Gold Standard - PPO
Plus Silver Standard - PPO
PEAK PPO BRONZE - PPO
PEAK PPO BRONZE HDHP - PPO
PEAK PPO GOLD - PPO
PEAK PPO GOLD HDHP - PPO
PEAK PPO SILVER - PPO
PEAK PPO SILVER HDHP - PPO
Plus Bronze HDHP - PPO
Plus Gold HDHP - PPO

PacificSource Health Plans

Core Bronze HSA 10600 - EPO
Core Bronze HSA 7500 - EPO
Core Bronze HSA 8300 - EPO
Core Gold 1500 - EPO
Core Gold 3000 - EPO
Core Silver 3500 - EPO
Core Silver 4500 - EPO
Core Silver 5000 - EPO
Core Silver 7500 - EPO
Core Standard Expanded Bronze HSA - EPO
Core Standard Gold - EPO
Core Standard Silver - EPO
PacificSource Oregon Standard Bronze HSA Plan Core - EPO
PacificSource Oregon Standard Gold Plan Core - EPO
PacificSource Oregon Standard Silver Plan Core - EPO

Providence Health Plan

HSA Qualified 7500 Bronze - Choice Network - EPO
HSA-E Qualified 7500 Bronze - Signature Network - EPO
Providence Oregon Standard Bronze Plan - Choice Network - EPO
Providence Oregon Standard Bronze Plan - Signature Network - EPO
Providence Oregon Standard Gold Plan - Choice Network - EPO
Providence Oregon Standard Gold Plan - Signature Network - EPO
Providence Oregon Standard Silver Plan - Choice Network - EPO
Providence Oregon Standard Silver Plan - Signature Network - EPO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Medicare Participation & PECOS Enrollment Status

Vassilis Siomos is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Vassilis Siomos is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

Is the provider registered in PECOS? Yes
PECOS PAC ID: 2264753466
What is the PECOS Associate Control ID?
A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.
PECOS Enrollment ID: I20150914001570
What is the Provider Enrollment ID?
The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.
Accepts Medicare Assignment? Yes
What does it mean "accepts medicare assignment"?
When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.
Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes
Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes
Eligible to Order or Refer a Home Health Agency (HHA): Yes
Eligible to Order or Refer Power Mobility Devices: Yes

Provider Referred Orders for Durable Medical Equipment, Devices & Supplies

The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.

Orthotic Devices

DME-Orthotic Devices (DF008N)
Intermittent urinary catheter; straight tip, with or without coating (teflon, silicone, silicone elastomer, or hydrophilic, etc.), each (HCPCS:A4351)
3 DME suppliers used 35 Medicare Claims 5730 Services Paid

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Crushing of stone of ureter with insertion of stent using an endoscope
Diagnostic exam of bladder and urethra using an endoscope
Diagnostic exam of bladder and urethra using an endoscope
Electronic assessment of bladder emptying
Electronic assessment of bladder emptying
Established patient office or other outpatient visit, 10-19 minutes
Established patient office or other outpatient visit, 10-19 minutes
Established patient office or other outpatient visit, 20-29 minutes
Established patient office or other outpatient visit, 20-29 minutes
Established patient office or other outpatient visit, 30-39 minutes
Established patient office or other outpatient visit, 30-39 minutes
Insertion of stent in ureter using an endoscope
New patient office or other outpatient visit, 30-44 minutes
New patient office or other outpatient visit, 30-44 minutes
New patient office or other outpatient visit, 45-59 minutes
New patient office or other outpatient visit, 45-59 minutes
Prostate resection
Removal of prostate gland using an electrocautery knife through urethra with control of bleeding using an endoscope
Simple bladder irrigation and/or instillation
Ultrasound measurement of bladder capacity after voiding
Urinalysis, manual test

Physician Visit Costs

The typical physician office visit costs for Medicare beneficiaries in this area are: $32.63 for a new patient copayment and $17.7 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 59901 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

Average New Patient Price $130.52
Minimum New Patient Price $56.81
Maximum New Patient Price $172.26

Average New Patient Copayment $32.63
Minimum New Patient Copayment $14.2
Maximum New Patient Copayment $43.06

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99213

Average Established Patient Price $70.82
Minimum Established Patient Price $18.24
Maximum Established Patient Price $140.32

Average Established Patient Copayment $17.7
Minimum Established Patient Copayment $4.56
Maximum Established Patient Copayment $35.08

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Quality Reporting

The provider participated in CMS Quality Payment Program. The Quality Payment Program aims to improve population health, reduce costs and improve the care received by Medicare beneficiaries. The following quality measures meet Medicare's statistical reporting standards. Not all providers report the same information, because not all providers give the same services to patients. The quality information is just a snapshot of some the care providers give to their patients. Reporting more or less information is not a reflection of quality.

Quality Measure	Performance	Number of Patients
Collection and follow-up on patient experience and satisfaction data on beneficiary engagement	Yes	N/A
Collection and follow-up on patient experience and satisfaction data on beneficiary engagement, including development of improvement plan.
Collection and use of patient experience and satisfaction data on access	Yes	N/A
Collection of patient experience and satisfaction data on access to care and development of an improvement plan, such as outlining steps for improving communications with patients to help understanding of urgent access needs.
Colorectal Cancer Screening	0%	454
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
Consultation of the Prescription Drug Monitoring Program	Yes	N/A
Clinicians would attest to reviewing the patients’ history of controlled substance prescription using state prescription drug monitoring program (PDMP) data prior to the issuance of a Controlled Substance Schedule II (CSII) opioid prescription lasting longer than 3 days. For the transition year, clinicians would attest to 60 percent review of applicable patient’s history. For the Quality Payment Program Year 2 and future years, clinicians would attest to 75 percent review of applicable patient’s history performance.
Depression screening	Yes	N/A
Depression screening and follow-up plan: Regular engagement of MIPS eligible clinicians or groups in integrated prevention and treatment interventions, including depression screening and follow-up plan (refer to NQF #0418) for patients with co-occurring conditions of behavioral or mental health conditions.
Engagement of New Medicaid Patients and Follow-up	Yes	N/A
Seeing new and follow-up Medicaid patients in a timely manner, including individuals dually eligible for Medicaid and Medicare. A timely manner is defined as within 10 business days for this activity.
Engagement of patients through implementation of improvements in patient portal	Yes	N/A
Access to an enhanced patient portal that provides up to date information related to relevant chronic disease health or blood pressure control, and includes interactive features allowing patients to enter health information and/or enables bidirectional communication about medication changes and adherence.
Implementation of improvements that contribute to more timely communication of test results	Yes	N/A
Timely communication of test results defined as timely identification of abnormal test results with timely follow-up.
Implementation of medication management practice improvements	Yes	N/A
Manage medications to maximize efficiency, effectiveness and safety that could include one or more of the following: Reconcile and coordinate medications and provide medication management across transitions of care settings and eligible clinicians or groups; Integrate a pharmacist into the care team; and/or Conduct periodic, structured medication reviews.
Tobacco use	Yes	N/A
Tobacco use: Regular engagement of MIPS eligible clinicians or groups in integrated prevention and treatment interventions, including tobacco use screening and cessation interventions (refer to NQF #0028) for patients with co-occurring conditions of behavioral or mental health and at risk factors for tobacco dependence.
Use of decision support and standardized treatment protocols	Yes	N/A
Use decision support and standardized treatment protocols to manage workflow in the team to meet patient needs.

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Vassilis Siomos is affiliated with the following medical facilities:

Hospital Name	Address	Phone	Hospital Type
LOGAN HEALTH MEDICAL CENTER	310 SUNNYVIEW LANE KALISPELL, MT 59901	(406) 752-5111	Acute Care Hospitals
CABINET PEAKS MEDICAL CENTER	209 HEALTH PARK DR LIBBY, MT 59923	(406) 293-0100	Critical Access Hospitals
LOGAN HEALTH - WHITEFISH	1600 HOSPITAL WAY WHITEFISH, MT 59937	(406) 863-3550	Critical Access Hospitals

NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1598907149, we treat the final digit (9) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 18 → 1 + 8

Pos 4

Unchanged

Pos 5

Doubled → 18 → 1 + 8

Pos 6

Unchanged

Pos 7

Doubled → 14 → 1 + 4

Pos 8

Unchanged

Pos 9

Doubled → 8

Check

Target digit

Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 9 → 18 → 9 9 → 18 → 9 7 → 14 → 5 4 → 8

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 5 + 1 + 8 + 8 + 1 + 8 + 0 + 1 + 4 + 1 + 8 + 24 = 71

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9

This NPI is valid

The calculated check digit is 9, which matches the last digit of 1598907149.