Doctor profile · Federal record

Dr. David Ly, MD

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

  • NPI 1477879864
  • Accepts Medicare
  • MIPS 97.5 / 100 · 2023
  • 16 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4945 W Cypress Ave
Visalia, CA 932771592
(559) 624-3100

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
February 19, 2026
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
California #A141368
Medicaid
AZ #041529

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477879864. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,617
Distinct HCPCS
10
Medicare allowed
$242,520
HCPCS Description Services Patients Avg allowed
77014 Ct guidance for insertion of radiation therapy fields 719 52 $46
77014 Ct guidance for insertion of radiation therapy fields 256 27 $46
77427 Radiation treatment management, 5 treatment sessions 206 95 $194
77300 Calculation of radiation therapy dose 149 51 $33
77334 Design and construction of complex radiation treatment device 145 53 $62
99214 Established patient office or other outpatient visit, 30-39 minutes 142 114 $98
77300 Calculation of radiation therapy dose 100 29 $33
77427 Radiation treatment management, 5 treatment sessions 100 59 $194
99214 Established patient office or other outpatient visit, 30-39 minutes 96 85 $98
77334 Design and construction of complex radiation treatment device 91 28 $62

In context: peer comparison

Among 1 peers in Visalia Radiation Oncology Physician, average services per provider: 81. This provider delivers 32× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$20
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Monteris Medical Corporation 1 $20.33

By nature of payment

Food and Beverage
$20

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
57
Patients
22
Total drug cost
$891
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 31 11 $352
Dexamethasone Generic 14 0 $400
Ssd (Silver Sulfadiazine) Brand 12 11 $139

Frequently asked questions

Auto-generated from federal data
What is Dr. David Ly's medical specialty?
Dr. David Ly practices Radiation Oncology Physician in Visalia, CA.
Where does Dr. David Ly practice?
Dr. David Ly practices at 4945 W Cypress Ave, Visalia, CA 932771592. Office phone: 5596243100.
What is Dr. David Ly's NPI?
Dr. David Ly's National Provider Identifier (NPI) is 1477879864, issued by NPPES.
Does Dr. David Ly accept Medicare assignment?
Yes. Dr. David Ly accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Ly commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Radiation treatment management, 5 treatment sessions (HCPCS 77427). Source: CMS Medicare Physician & Other Practitioners file.