Doctor profile · Federal record
Dr. Mark Vellek, M.D.
Hematology & Oncology Physician (CMS: Hematology/Oncology) · Hematology & Oncology Physician · Hematology & Oncology Physician · Las Vegas, NV
- NPI 1063409688
- Accepts Medicare
- 40 yrs in practice
- Licensed in 3 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
3131 la Canada St Ste 140
Las Vegas, NV 891692579
(702) 933-9400
fax (702) 933-9444 - Additional location
-
1705 E Broadway, Suite 100
Columbia, MO 652015852
(573) 874-7800
fax (573) 443-3627 - Additional location
-
803 Poplar St
Murray, KY 420712432
(270) 762-1597 - Mailing address
-
Po Box 98978
Las Vegas, NV 891938978
Credentials & registration
- NPI registered
- September 2005 — 21 yrs on file
- Profile last updated
- December 12, 2023
- Year of graduation
- 1986 — 40 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State licenses (3)
- Nevada #20944 · Kentucky #C2194 · Missouri #R5H89
- Medicaid (2)
- MO #203284625 · NV #1063409688
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1063409688. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
397
Distinct HCPCS
6
Medicare allowed
$41,951
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 251 | 147 | $92 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 46 | 39 | $133 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 32 | 32 | $125 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 27 | 27 | $170 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 24 | 16 | $134 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 17 | 16 | $62 |
In context: peer comparison
Among 14 peers in Las Vegas Hematology & Oncology Physician, average services per provider: 2,513. This provider delivers 0.2× the peer median.Open Payments
Industry payments received
All-time total
$1,115
Transactions
49
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Pfizer INC. | 11 | $177.67 | |
| Novartis Pharmaceuticals Corporation | 7 | $141.88 | |
| Abbvie INC. | 4 | $81.30 | |
| AstraZeneca Pharmaceuticals Lp | 4 | $79.73 | |
| Tempus Ai, INC | 3 | $62.98 | |
| Merck Sharp & Dohme LLC | 3 | $61.93 | |
| Lilly USA, LLC | 3 | $51.24 | |
| Janssen Biotech, INC. | 3 | $46.33 | |
| Genzyme Corporation | 2 | $42.32 | |
| Celgene Corporation | 2 | $32.28 | |
| Daiichi Sankyo INC. | 1 | $29.57 | |
| Siemens Medical Solutions USA, INC. | 1 | $29.26 | |
| E.R. Squibb & Sons, L.L.C. | 2 | $29.12 | |
| Stemline Therapeutics INC. | 2 | $28.86 | |
| Incyte Corporation | 1 | $28.27 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
329
Patients
187
Total drug cost
$296,805
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prochlorperazine Maleate | Generic | 66 | 52 | $828 |
| Ondansetron Odt (Ondansetron) | Brand | 63 | 52 | $1,266 |
| Anastrozole | Generic | 62 | 37 | $1,349 |
| Dexamethasone | Generic | 42 | 33 | $388 |
| Prednisone | Generic | 27 | 13 | $145 |
| Xtandi (Enzalutamide) | Brand | 19 | 0 | $292,021 |
| Gabapentin | Generic | 18 | 0 | $176 |
| Morphine Sulfate ER (Morphine Sulfate) | Brand | 16 | 0 | $318 |
| Oxycodone Hcl | Generic | 16 | 0 | $313 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark Vellek's medical specialty?
Dr. Mark Vellek practices Hematology & Oncology Physician in Las Vegas, NV.
Where does Dr. Mark Vellek practice?
Dr. Mark Vellek practices at 3131 la Canada St Ste 140, Las Vegas, NV 891692579. Office phone: 7029339400.
What is Dr. Mark Vellek's NPI?
Dr. Mark Vellek's National Provider Identifier (NPI) is 1063409688, issued by NPPES.
Does Dr. Mark Vellek accept Medicare assignment?
Yes. Dr. Mark Vellek accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Vellek commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.