Doctor profile · Federal record
Dr. Mark Zilkoski, MD
Family Medicine Physician (CMS: Family Practice) · Wolf Point, MT
- NPI 1801909080
- Accepts Medicare
- 49 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
301 Knapp St
Wolf Point, MT 592011826
(406) 653-2150
fax (406) 653-6591
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- February 11, 2008
- Year of graduation
- 1977 — 49 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Montana #4533
- Medicaid
- MT #0096265
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1801909080. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
206
Distinct HCPCS
7
Medicare allowed
$20,231
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 56 | 45 | $118 | |
99283 |
Emergency department visit with low level of medical decision making | 47 | 42 | $71 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 26 | 14 | $78 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 23 | 20 | $128 | |
99238 |
Hospital discharge day management, 30 minutes or less | 23 | 22 | $80 | |
99282 |
Emergency department visit with straightforward medical decision making | 17 | 17 | $41 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 14 | 14 | $197 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 29. This provider delivers 7.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
884
Patients
271
Total drug cost
$36,396
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 116 | 35 | $1,693 |
| Atorvastatin Calcium | Generic | 94 | 19 | $1,463 |
| Arexvy (Rsvpref3 Antigen/As01e/Pf) | Brand | 82 | 82 | $24,502 |
| Lisinopril | Generic | 78 | 27 | $1,294 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 71 | 12 | $1,427 |
| Omeprazole | Generic | 66 | 24 | $1,148 |
| Furosemide | Generic | 51 | 15 | $740 |
| Hydrochlorothiazide | Generic | 50 | 19 | $277 |
| Amlodipine Besylate | Generic | 48 | 0 | $205 |
| Metoprolol Succinate | Generic | 45 | 13 | $791 |
Frequently asked questions
What is Dr. Mark Zilkoski's medical specialty?
Dr. Mark Zilkoski practices Family Medicine Physician in Wolf Point, MT.
Where does Dr. Mark Zilkoski practice?
Dr. Mark Zilkoski practices at 301 Knapp St, Wolf Point, MT 592011826. Office phone: 4066532150.
What is Dr. Mark Zilkoski's NPI?
Dr. Mark Zilkoski's National Provider Identifier (NPI) is 1801909080, issued by NPPES.
Does Dr. Mark Zilkoski accept Medicare assignment?
Yes. Dr. Mark Zilkoski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Zilkoski commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with low level of medical decision making (HCPCS 99283); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.