Doctor profile · Federal record

Dr. Charles Woo, MD

Radiation Oncology Physician (CMS: Radiation Oncology) · Chandler, AZ

  • NPI 1811961543
  • Accepts Medicare
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
695 S Dobson RD
Chandler, AZ 852245665
(480) 821-2838
fax (480) 821-9444
Mailing address
Po Box 6423
Chandler, AZ 852466423

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
November 15, 2022
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
Arizona #21992
Medicaid
AZ #394396

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811961543. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
7,859
Distinct HCPCS
10
Medicare allowed
$1,925,632
HCPCS Description Services Patients Avg allowed
G6015 Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session 2,127 175 $349
77014 Ct guidance for insertion of radiation therapy fields 2,117 177 $118
77336 Continuing radiation therapy consultation per week 581 157 $83
G6012 Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev 571 51 $228
77427 Radiation treatment management, 5 treatment sessions 505 158 $188
77300 Calculation of radiation therapy dose 318 137 $65
99213 Established patient office or other outpatient visit, 20-29 minutes 286 210 $88
77334 Design and construction of complex radiation treatment device 187 124 $122
77263 Complex radiation therapy planning 175 159 $166
77373 Cranial lesion surgery using radiation over multiple sessions 124 31 $975

In context: peer comparison

Among 3 peers in this city , average services per provider: 299. This provider delivers 26× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,381
Transactions
52
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 11 $212.93
Genentech USA, Inc. 5 $100.68
ABBVIE INC. 4 $95.13
Daiichi Sankyo Inc. 4 $93.69
Janssen Biotech, Inc. 4 $91.90
PFIZER INC. 4 $86.57
AstraZeneca Pharmaceuticals LP 4 $71.87
Eisai Inc. 3 $61.47
Regeneron Healthcare Solutions, Inc. 2 $59.47
TerSera Therapeutics LLC 2 $56.57
GlaxoSmithKline, LLC. 2 $51.17
Ipsen Biopharmaceuticals, Inc 2 $45.51
Merck Sharp & Dohme LLC 2 $40.45
GENZYME CORPORATION 2 $40.26
JAZZ PHARMACEUTICALS INC. 1 $27.74

By nature of payment

Food and Beverage
$1,381

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
145
Patients
91
Total drug cost
$2,578
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 69 28 $1,276
Lidocaine Hcl Viscous (Lidocaine Hcl) Brand 29 22 $606
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 18 14 $491
Ciprofloxacin Hcl Generic 16 14 $106
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 13 13 $99

Frequently asked questions

Auto-generated from federal data
What is Dr. Charles Woo's medical specialty?
Dr. Charles Woo practices Radiation Oncology Physician in Chandler, AZ.
Where does Dr. Charles Woo practice?
Dr. Charles Woo practices at 695 S Dobson RD, Chandler, AZ 852245665. Office phone: 4808212838.
What is Dr. Charles Woo's NPI?
Dr. Charles Woo's National Provider Identifier (NPI) is 1811961543, issued by NPPES.
Does Dr. Charles Woo accept Medicare assignment?
Yes. Dr. Charles Woo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Woo commonly perform?
Top Medicare-reported procedures in 2023: 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); Continuing radiation therapy consultation per week (HCPCS 77336). Source: CMS Medicare Physician & Other Practitioners file.