Doctor profile · Federal record

Dr. Lloyd Miyawaki, MD

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

  • NPI 1497737464
  • Accepts Medicare
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1350 S Eliseo Dr, Ste 100
Greenbrae, CA 949042011
(209) 342-2300
fax (209) 524-4240
Mailing address
4301 Northstar Way
Modesto, CA 953569262

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
December 8, 2008
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
California #G81328
Medicaid
CA #00G813280

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497737464. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,087
Distinct HCPCS
10
Medicare allowed
$198,560
HCPCS Description Services Patients Avg allowed
77014 Ct guidance for insertion of radiation therapy fields 1,003 50 $51
77300 Calculation of radiation therapy dose 391 42 $38
77427 Radiation treatment management, 5 treatment sessions 199 40 $220
77334 Design and construction of complex radiation treatment device 146 16 $70
99215 Established patient office or other outpatient visit, 40-54 minutes 94 68 $159
99205 New patient office or other outpatient visit, 60-74 minutes 50 50 $202
77470 Special radiation treatment 44 43 $123
77263 Complex radiation therapy planning 43 40 $192
77338 Design and construction of radiation treatment device for high precision radiation therapy 35 34 $260
77301 High precision radiation therapy planning 31 31 $484

In context: peer comparison

Among 1 peers in Greenbrae Radiation Oncology Physician, average services per provider: 149. This provider delivers 14× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$303
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Novocure INC. 1 $172.44
Tactile Systems Technology INC 1 $130.76

By nature of payment

Food and Beverage
$303

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
246
Patients
67
Total drug cost
$9,042
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 190 55 $7,588
Gabapentin Generic 24 0 $594
Alfuzosin Hcl ER (Alfuzosin Hcl) Brand 17 0 $422
Bicalutamide Generic 15 12 $438

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Lloyd Miyawaki's medical specialty?
Dr. Lloyd Miyawaki practices Radiation Oncology Physician in Greenbrae, CA.
Where does Dr. Lloyd Miyawaki practice?
Dr. Lloyd Miyawaki practices at 1350 S Eliseo Dr, Greenbrae, CA 949042011. Office phone: 2093422300.
What is Dr. Lloyd Miyawaki's NPI?
Dr. Lloyd Miyawaki's National Provider Identifier (NPI) is 1497737464, issued by NPPES.
Does Dr. Lloyd Miyawaki accept Medicare assignment?
Yes. Dr. Lloyd Miyawaki accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lloyd Miyawaki commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Calculation of radiation therapy dose (HCPCS 77300); Radiation treatment management, 5 treatment sessions (HCPCS 77427). Source: CMS Medicare Physician & Other Practitioners file.