Doctor profile · Federal record

Dr. Leonid Zamdborg, M.D., PH.D

Radiation Oncology Physician (CMS: Radiation Oncology) · Radiation Oncology Physician · Columbia, SC

  • NPI 1467899534
  • Accepts Medicare
  • MIPS 95.3 / 100 · 2023
  • 13 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
166 Stoneridge Dr
Columbia, SC 292108239
(803) 431-3000

Credentials & registration

NPPES · NUCC
NPI registered
May 2013 — 13 yrs on file
Profile last updated
June 11, 2018
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State licenses (2)
South Carolina #52455 · Michigan #4301102835

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1467899534. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
8,268
Distinct HCPCS
10
Medicare allowed
$1,443,690
HCPCS Description Services Patients Avg allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 1,690 18 $0
G6015 Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session 1,606 65 $328
77014 Ct guidance for insertion of radiation therapy fields 1,538 101 $113
77336 Continuing radiation therapy consultation per week 452 124 $78
77427 Radiation treatment management, 5 treatment sessions 422 100 $182
G6017 Intra-fraction localization and tracking of target or patient motion during delivery of radiation therapy (eg,3d positional tracking, gating, 3d surface tracking), each fraction of treatment 421 26 $101
G6012 Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev 408 33 $216
77300 Calculation of radiation therapy dose 333 121 $62
77334 Design and construction of complex radiation treatment device 168 90 $117
J9217 Leuprolide acetate (for depot suspension), 7.5 mg 162 18 $165

In context: peer comparison

Among 2 peers in Columbia Radiation Oncology Physician, average services per provider: 274. This provider delivers 30× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,973
Transactions
54
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Novocure INC. 1 $181.63
Novartis Pharmaceuticals Corporation 7 $165.05
Eagle Pharmaceuticals, INC. 2 $154.99
AstraZeneca Pharmaceuticals Lp 6 $112.15
Takeda Pharmaceuticals U.S.A., INC. 4 $106.41
Janssen Biotech, INC. 5 $103.55
Lilly USA, LLC 4 $101.69
Merck Sharp & Dohme LLC 3 $89.53
Daiichi Sankyo INC. 3 $87.76
Aveo Pharmaceuticals, INC. 3 $77.02
Genmab U.S., INC. 3 $75.10
Pfizer INC. 4 $65.90
Genentech USA, INC. 3 $57.96
Spectrum Pharmaceuticals INC. 3 $54.86
Sobi, INC 3 $53.21

By nature of payment

Food and Beverage
$1,973

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
106
Patients
54
Total drug cost
$1,328
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 46 20 $850
Dicyclomine Hcl Generic 22 22 $18
Lidocaine Hcl Viscous (Lidocaine Hcl) Brand 21 12 $277
Oxycodone Hcl Generic 17 0 $183

Frequently asked questions

Auto-generated from federal data
What is Dr. Leonid Zamdborg's medical specialty?
Dr. Leonid Zamdborg practices Radiation Oncology Physician in Columbia, SC.
Where does Dr. Leonid Zamdborg practice?
Dr. Leonid Zamdborg practices at 166 Stoneridge Dr, Columbia, SC 292108239. Office phone: 8034313000.
What is Dr. Leonid Zamdborg's NPI?
Dr. Leonid Zamdborg's National Provider Identifier (NPI) is 1467899534, issued by NPPES.
Does Dr. Leonid Zamdborg accept Medicare assignment?
Yes. Dr. Leonid Zamdborg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leonid Zamdborg commonly perform?
Top Medicare-reported procedures in 2023: Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc (HCPCS G6015); Ct guidance for insertion of radiation therapy fields (HCPCS 77014). Source: CMS Medicare Physician & Other Practitioners file.