Doctor profile · Federal record
Dr. Mary Lee Villanueva, MD
Hematology & Oncology Physician (CMS: Medical Oncology) · Yankton, SD
- NPI 1699857821
- Accepts Medicare
- 25 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1104 W 8Th St
Yankton, SD 570783306
(605) 665-7841
fax (605) 665-0546
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- July 3, 2020
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- South Dakota #6096
- Medicaid
- SD #6631890
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1699857821. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
35,578
Distinct HCPCS
10
Medicare allowed
$993,597
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J9271 |
Injection, pembrolizumab, 1 mg | 10,800 | 13 | $53 | |
Q9967 |
Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 8,800 | 64 | $0 | |
J0897 |
Injection, denosumab, 1 mg | 4,500 | 16 | $23 | |
J2469 |
Injection, palonosetron hcl, 25 mcg | 2,120 | 39 | $1 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 1,816 | 33 | $0 | |
J2405 |
Injection, ondansetron hydrochloride, per 1 mg | 696 | 11 | $0 | |
J7050 |
Infusion, normal saline solution, 250 cc | 619 | 49 | $1 | |
80053 |
Blood test, comprehensive group of blood chemicals | 557 | 256 | $10 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 497 | 242 | $8 | |
Q5108 |
Injection, pegfilgrastim-jmdb (fulphila), biosimilar, 0.5 mg | 474 | 11 | $120 |
In context: peer comparison
Among 1 peers in Yankton Hematology & Oncology Physician, average services per provider: 646. This provider delivers 55× the peer median.Open Payments
Industry payments received
All-time total
$78
Transactions
3
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Lilly USA, LLC | 2 | $50.37 | |
| Genentech USA, INC. | 1 | $28.03 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
777
Patients
150
Total drug cost
$59,079
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Anastrozole | Generic | 215 | 42 | $4,537 |
| Letrozole | Generic | 147 | 31 | $2,167 |
| Omeprazole | Generic | 57 | 12 | $507 |
| Potassium Chloride | Generic | 51 | 13 | $1,904 |
| Ondansetron Hcl | Generic | 50 | 23 | $478 |
| Eliquis (Apixaban) | Brand | 48 | 0 | $26,804 |
| Prochlorperazine Maleate | Generic | 31 | 15 | $221 |
| Imatinib Mesylate | Generic | 29 | 0 | $17,983 |
| Exemestane | Generic | 27 | 0 | $3,188 |
| Levothyroxine Sodium | Generic | 26 | 0 | $204 |
Hospital affiliations
Frequently asked questions
What is Dr. Mary Lee Villanueva's medical specialty?
Dr. Mary Lee Villanueva practices Hematology & Oncology Physician in Yankton, SD.
Where does Dr. Mary Lee Villanueva practice?
Dr. Mary Lee Villanueva practices at 1104 W 8Th St, Yankton, SD 570783306. Office phone: 6056657841.
What is Dr. Mary Lee Villanueva's NPI?
Dr. Mary Lee Villanueva's National Provider Identifier (NPI) is 1699857821, issued by NPPES.
Does Dr. Mary Lee Villanueva accept Medicare assignment?
Yes. Dr. Mary Lee Villanueva accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Lee Villanueva commonly perform?
Top Medicare-reported procedures in 2023: Injection, pembrolizumab, 1 mg (HCPCS J9271); Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); Injection, denosumab, 1 mg (HCPCS J0897). Source: CMS Medicare Physician & Other Practitioners file.