Doctor profile · Federal record

Dr. Leann Bassing, M.D.

Rheumatology Physician (CMS: Rheumatology) · Yankton, SD

  • NPI 1871784124
  • Accepts Medicare
  • 19 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1104 W 8Th St
Yankton, SD 570783306
(605) 665-7841
fax (605) 665-0546

Credentials & registration

NPPES · NUCC
NPI registered
August 2007 — 19 yrs on file
Profile last updated
June 24, 2020
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
South Dakota #8398

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871784124. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
23,973
Distinct HCPCS
10
Medicare allowed
$390,742
HCPCS Description Services Patients Avg allowed
J1602 Injection, golimumab, 1 mg, for intravenous use 18,775 16 $13
J0897 Injection, denosumab, 1 mg 1,260 12 $23
36415 Insertion of needle into vein for collection of blood sample 411 208 $8
J7050 Infusion, normal saline solution, 250 cc 397 31 $1
99214 Established patient office or other outpatient visit, 30-39 minutes 346 222 $123
82565 Blood creatinine level 344 173 $5
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 296 145 $8
84450 Liver enzyme (sgot), level 290 126 $5
84460 Liver enzyme (sgpt), level 289 125 $5
82040 Albumin (protein) level 284 123 $5

In context: peer comparison

Among 1 peers in this city , average services per provider: 665. This provider delivers 36× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$19
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 1 $19.05

By nature of payment

Food and Beverage
$19

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,019
Patients
484
Total drug cost
$553,884
Drug Type Claims Patients Total cost
Methotrexate (Methotrexate Sodium) Brand 456 114 $23,330
Hydroxychloroquine Sulfate Generic 438 124 $36,171
Allopurinol Generic 343 71 $5,957
Prednisone Generic 268 83 $1,981
Sulfasalazine Generic 141 34 $4,627
Leflunomide Generic 87 24 $8,302
Duloxetine Hcl Generic 55 19 $1,557
Alendronate Sodium Generic 52 15 $522
Humira(Cf) Pen (Adalimumab) Brand 45 0 $325,596
Mycophenolate Mofetil Generic 29 0 $5,073

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Leann Bassing's medical specialty?
Dr. Leann Bassing practices Rheumatology Physician in Yankton, SD.
Where does Dr. Leann Bassing practice?
Dr. Leann Bassing practices at 1104 W 8Th St, Yankton, SD 570783306. Office phone: 6056657841.
What is Dr. Leann Bassing's NPI?
Dr. Leann Bassing's National Provider Identifier (NPI) is 1871784124, issued by NPPES.
Does Dr. Leann Bassing accept Medicare assignment?
Yes. Dr. Leann Bassing accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leann Bassing commonly perform?
Top Medicare-reported procedures in 2023: Injection, golimumab, 1 mg, for intravenous use (HCPCS J1602); Injection, denosumab, 1 mg (HCPCS J0897); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.