Doctor profile · Federal record
Dr. Mark-Victor Siwoski
Neurology Physician (CMS: Neurology) · Student in an Organized Health Care Education/Training Program · Kalamazoo, MI
- NPI 1619363645
- Accepts Medicare
- 11 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
601 John St Ste M-124
Kalamazoo, MI 490075377
(269) 341-8855 - Additional location
-
1061 Granville Ave
Itasca, IL 601432850
(630) 742-8506 - Mailing address
-
1061 Granville Ave
Itasca, IL 601432850
Credentials & registration
- NPI registered
- April 2015 — 11 yrs on file
- Profile last updated
- January 6, 2021
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 2084N0400X — NUCC code
- State license (1)
- Michigan #4301503605
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1619363645. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
258
Distinct HCPCS
7
Medicare allowed
$25,340
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 66 | 53 | $65 | |
95819 |
Measurement of brain wave activity (eeg), awake and asleep | 54 | 53 | $54 | |
95816 |
Measurement of brain wave activity (eeg), awake and drowsy | 43 | 43 | $54 | |
95720 |
Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional | 40 | 22 | $199 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 24 | 24 | $177 | |
95718 |
Measurement of brain wave activity with video (veeg), 2-12 hours with review and report by health care professional | 19 | 18 | $129 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 12 | 12 | $95 |
In context: peer comparison
Among 8 peers in Kalamazoo Neurology Physician, average services per provider: 33. This provider delivers 7.8× the peer median.Open Payments
Industry payments received
All-time total
$78
Transactions
4
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Sk Life Science, INC. | 4 | $77.67 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
710
Patients
101
Total drug cost
$101,562
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levetiracetam | Generic | 127 | 41 | $8,071 |
| Lamotrigine | Generic | 101 | 13 | $2,060 |
| Lacosamide | Generic | 77 | 15 | $17,969 |
| Topiramate | Generic | 66 | 20 | $1,850 |
| Divalproex Sodium | Generic | 43 | 0 | $1,058 |
| Amitriptyline Hcl | Generic | 37 | 12 | $1,335 |
| Primidone | Generic | 35 | 0 | $841 |
| Clonazepam | Generic | 33 | 0 | $216 |
| Xcopri (Cenobamate) | Brand | 32 | 0 | $58,403 |
| Donepezil Hcl | Generic | 31 | 0 | $935 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark-Victor Siwoski's medical specialty?
Dr. Mark-Victor Siwoski practices Neurology Physician in Kalamazoo, MI.
Where does Dr. Mark-Victor Siwoski practice?
Dr. Mark-Victor Siwoski practices at 601 John St Ste M-124, Kalamazoo, MI 490075377. Office phone: 2693418855.
What is Dr. Mark-Victor Siwoski's NPI?
Dr. Mark-Victor Siwoski's National Provider Identifier (NPI) is 1619363645, issued by NPPES.
Does Dr. Mark-Victor Siwoski accept Medicare assignment?
Yes. Dr. Mark-Victor Siwoski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark-Victor Siwoski commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Measurement of brain wave activity (eeg), awake and asleep (HCPCS 95819); Measurement of brain wave activity (eeg), awake and drowsy (HCPCS 95816). Source: CMS Medicare Physician & Other Practitioners file.