Internal Medicine, Medical Oncology · Bolivar, MO
NPI
1396709895
Since 2006
Specialty
Internal Medicine, Medical Oncology
Code 207RX0202X
Group practices
2
Medicare group memberships
Hospitals
4
Hospital affiliations
1501 N Oakland Ave
Bolivar, MO, 65613
Phone (417) 326-7200
Groups this clinician bills Medicare through
Medicare paid, 2024
$6.3M
315,201 services
Medicare patients, 2024
379
Average age 74
Drug cost, 2024
$12.0M
5,150 prescriptions
Company payments, 2025
$389K
From 44 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Leonid Shunyakov was code Q5125 (injection, filgrastim-ayow, biosimilar, (releuko), 1 microgram), 51,780 times for 20 patients. In total Leonid Shunyakov billed 315,201 services in 139 codes, and Medicare paid $6.3M.
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2024-10-10.
| Code |
|---|
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| Q5125 Injection, filgrastim-ayow, biosimilar, (releuko), 1 microgram | Office | 51,780 | 20 | $0.38 | $20K |
| J9299 Injection, nivolumab, 1 mg | Office | 47,400 | 17 | $24.58 | $1.2M |
| J0897 Injection, denosumab, 1 mg | Office | 25,080 | 64 | $20.61 | $517K |
| J1453 Injection, fosaprepitant, 1 mg | Office | 11,100 | 18 | $0.11 | $1,222 |
| J9228 Injection, ipilimumab, 1 mg | Office | 7,250 | 15 | $137.25 | $995K |
| J1100 Injection, dexamethasone sodium phosphate, 1 mg | Office | 3,604 | 65 | $0.09 | $322 |
| 99214 Office E&M - Established | Office | 1,558 | 312 | $92.24 | $144K |
| J2469 Injection, palonosetron hcl, 25 mcg | Office | 1,250 | 24 | $0.70 | $872 |
| J1626 Injection, granisetron hydrochloride, 100 mcg | Office | 1,200 | 26 | $0.25 | $303 |
| J9190 Injection, fluorouracil, 500 mg | Office | 848 | 12 | $2.33 | $1,973 |
| 96367 Intravenous Infusion, Hydration | Office | 679 | 74 | $20.12 | $14K |
| 96372 Injection Administration | Office | 618 | 99 | $10.07 | $6,221 |
| 96413 Chemotherapy Administration | Office | 608 | 87 | $88.98 | $54K |
| J3480 Injection, potassium chloride, per 2 meq | Office | 490 | 12 | $0.08 | $40.81 |
| 96375 Injection Administration | Office | 414 | 64 | $10.99 | $4,549 |
By year: 2022 $5.9M for 308,189 services; 2023 $6.2M for 278,902 services; 2024 $6.3M for 315,201 services.
Lab tests billed to Medicare, 2022
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 36415 Venipuncture Blood Collection | 39 | 32 | $2.95 | $115 |
Medicare prescription drug claims, 2024
In 2024, the drug Leonid Shunyakov prescribed most often to Medicare patients was Eliquis (Apixaban), with 256 prescriptions and refills. In total Leonid Shunyakov wrote 5,150 Medicare prescriptions that cost $12.0M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Eliquis Apixaban | 256 | 270 | 67 | $149K |
| Olanzapine Generic | 174 | 180 | 63 | $11K |
| Famotidine Generic | 172 | 201 | 52 | $1,083 |
| Oxycodone Hcl Generic | 172 | 172 | 43 | $5,427 |
| Pantoprazole Sodium Generic | 167 | 187 | 74 | $869 |
| Revlimid Lenalidomide | 150 | 150 | 22 | $2.4M |
| Levothyroxine Sodium Generic | 139 | 189 | 36 | $962 |
| Testosterone Cypionate Generic | 129 | 130 | 23 | $2,808 |
| Potassium Chloride Generic | 126 | 143 | 45 | $2,248 |
| Letrozole Generic | 125 | 202 | 30 | $1,323 |
| Prochlorperazine Maleate Generic | 108 | 108 | 72 | $4,277 |
| Prednisone Generic | 99 | 111 | 57 | $515 |
| Gabapentin Generic | 98 | 118 | 30 | $1,519 |
| Carvedilol Generic | 94 | 141 | 25 | $347 |
| Ondansetron Hcl Generic | 92 | 92 | 62 | $5,976 |
Brand drugs: - claims; generic drugs: 3,659 claims; opioid claims: 334.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Leonid Shunyakov $389K ($389K in general payments such as food, travel and fees) from 44 companies. The largest payer was AstraZeneca Pharmaceuticals LP with $65K.
| Company | Payments | Amount |
|---|---|---|
| AstraZeneca Pharmaceuticals LP AZN | 62 | $65K |
| Janssen Biotech, Inc. JNJ | 47 | $57K |
| Abbvie Inc. ABBV | 27 | $42K |
| Daiichi Sankyo Inc. 4568.T | 22 | $32K |
| Regeneron Healthcare Solutions, Inc. REGN | 16 | $27K |
| Astellas Pharma US Inc 4503.T | 19 | $26K |
| E.R. Squibb & Sons, L.L.C. BMY | 17 | $25K |
| BeOne Medicines USA, Inc. ONC | 13 | $23K |
| GlaxoSmithKline, LLC. GSK | 17 | $19K |
| Amgen Inc. AMGN | 12 | $16K |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.