Doctor profile · Federal record

Dr. Percy Lee, M.D.

Radiation Oncology Physician (CMS: Radiation Oncology) · Radiation Oncology Physician · Irvine, CA

  • NPI 1447442504
  • Accepts Medicare
  • MIPS 91.9 / 100 · 2023
  • 23 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1000 Fivepoint
Irvine, CA 926182377
(626) 256-4673
Additional location
1500 Duarte RD
Duarte, CA 910103012
Mailing address
Po Box 512185
Los Angeles, CA 900510185

Credentials & registration

NPPES · NUCC
NPI registered
August 2007 — 19 yrs on file
Profile last updated
June 6, 2022
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State licenses (2)
California #A88897 · Texas #S2827
Medicaid
CA #00A888970

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447442504. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,838
Distinct HCPCS
10
Medicare allowed
$431,862
HCPCS Description Services Patients Avg allowed
77014 Ct guidance for insertion of radiation therapy fields 1,863 126 $48
77427 Radiation treatment management, 5 treatment sessions 459 112 $205
77300 Calculation of radiation therapy dose 432 127 $35
99205 New patient office or other outpatient visit, 60-74 minutes 170 170 $190
77334 Design and construction of complex radiation treatment device 157 130 $65
77263 Complex radiation therapy planning 142 133 $180
77338 Design and construction of radiation treatment device for high precision radiation therapy 135 125 $242
77301 High precision radiation therapy planning 128 116 $451
77470 Special radiation treatment 126 121 $115
99214 Established patient office or other outpatient visit, 30-39 minutes 99 71 $102

In context: peer comparison

Among 3 peers in Irvine Radiation Oncology Physician, average services per provider: 170. This provider delivers 23× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$8,788
Transactions
16
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 10 $5,346.87
F. Hoffmann-la Roche Ag 2 $3,300.00
Amgen INC. 1 $79.60
Siemens Medical Solutions USA, INC. 1 $31.09
Sumitomo Pharma America, INC. 1 $16.15
Icotec Medical INC. 1 $14.51

By nature of payment

Consulting Fee
$7,540
Food and Beverage
$869
Travel and Lodging
$379

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
21
Patients
11
Total drug cost
$286
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 21 11 $286

Frequently asked questions

Auto-generated from federal data
What is Dr. Percy Lee's medical specialty?
Dr. Percy Lee practices Radiation Oncology Physician in Irvine, CA.
Where does Dr. Percy Lee practice?
Dr. Percy Lee practices at 1000 Fivepoint, Irvine, CA 926182377. Office phone: 6262564673.
What is Dr. Percy Lee's NPI?
Dr. Percy Lee's National Provider Identifier (NPI) is 1447442504, issued by NPPES.
Does Dr. Percy Lee accept Medicare assignment?
Yes. Dr. Percy Lee accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Percy Lee commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Radiation treatment management, 5 treatment sessions (HCPCS 77427); Calculation of radiation therapy dose (HCPCS 77300). Source: CMS Medicare Physician & Other Practitioners file.