Doctor profile · Federal record
Dr. Mark Sitarik, MD
Hematology & Oncology Physician · Boulder, CO
- NPI 1346224664
- MIPS 81.5 / 100 · 2023
- 21 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4715 Arapahoe Ave
Boulder, CO 803031385
(303) 385-2000
fax (303) 444-1839 - Mailing address
-
7951 E Maplewood Ave
Greenwood Village, CO 801114723
Credentials & registration
- NPI registered
- November 2005 — 21 yrs on file
- Profile last updated
- July 15, 2011
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- Colorado #26965
- Medicaid
- CO #01269653
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1346224664. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
32,263
Distinct HCPCS
10
Medicare allowed
$596,857
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
Q0138 |
Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) | 8,670 | 13 | $1 | |
J9144 |
Injection, daratumumab, 10 mg and hyaluronidase-fihj | 6,840 | 17 | $48 | |
J1453 |
Injection, fosaprepitant, 1 mg | 5,550 | 23 | $0 | |
J1756 |
Injection, iron sucrose, 1 mg | 4,400 | 17 | $0 | |
J1568 |
Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg | 2,130 | 16 | $42 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 989 | 46 | $0 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 532 | 256 | $90 | |
J2469 |
Injection, palonosetron hcl, 25 mcg | 510 | 30 | $1 | |
J9395 |
Injection, fulvestrant, 25 mg | 460 | 13 | $10 | |
J1626 |
Injection, granisetron hydrochloride, 100 mcg | 340 | 20 | $0 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 1,184. This provider delivers 27× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
590
Patients
93
Total drug cost
$1,078,294
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Anastrozole | Generic | 90 | 24 | $3,119 |
| Hydroxyurea | Generic | 60 | 14 | $2,548 |
| Lorazepam | Generic | 53 | 17 | $471 |
| Acyclovir | Generic | 51 | 0 | $1,285 |
| Oxycodone Hcl | Generic | 43 | 14 | $888 |
| Imatinib Mesylate | Generic | 41 | 0 | $122,183 |
| Xtandi (Enzalutamide) | Brand | 35 | 0 | $510,271 |
| Eliquis (Apixaban) | Brand | 34 | 0 | $43,589 |
| Prednisone | Generic | 34 | 13 | $385 |
| Gabapentin | Generic | 29 | 0 | $581 |
Frequently asked questions
What is Dr. Mark Sitarik's medical specialty?
Dr. Mark Sitarik practices Hematology & Oncology Physician in Boulder, CO.
Where does Dr. Mark Sitarik practice?
Dr. Mark Sitarik practices at 4715 Arapahoe Ave, Boulder, CO 803031385. Office phone: 3033852000.
What is Dr. Mark Sitarik's NPI?
Dr. Mark Sitarik's National Provider Identifier (NPI) is 1346224664, issued by NPPES.
What procedures does Dr. Mark Sitarik commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) (HCPCS Q0138); Injection, daratumumab, 10 mg and hyaluronidase-fihj (HCPCS J9144); Injection, fosaprepitant, 1 mg (HCPCS J1453). Source: CMS Medicare Physician & Other Practitioners file.