Doctor profile · Federal record

Dr. Robert Tonks, M.D.

Orthopaedic Trauma Physician (CMS: Orthopedic Surgery) · Specialist · Orthopaedic Surgery Physician · La Jolla, CA

  • NPI 1659395671
  • MIPS 27.2 / 100 · 2023
  • 42 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9834 Genesee Ave Ste 225
La Jolla, CA 920371215
(858) 576-9901
fax (858) 576-0080

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
April 23, 2024
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207XX0801X — NUCC code
State license (1)
California #A46158
Medicaid
CA #00A461580

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659395671. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
846
Distinct HCPCS
10
Medicare allowed
$221,367
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 266 137 $137
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 173 166 $179
11981 Insertion of drug delivery implant into tissue 122 104 $36
76000 Imaging guidance for procedure, 60 minutes or less 86 80 $16
99204 New patient office or other outpatient visit, 45-59 minutes 40 40 $177
27236 Treatment of upper end of broken thigh bone with placement of stabilizing device or prosthetic replacement 27 27 $1,179
27244 Treatment of broken neck of thigh bone with plate/screw implant 21 21 $1,172
27245 Treatment of broken neck of thigh bone with bone implant 20 20 $1,154
20680 Removal of deep implant from bone 15 14 $343
27506 Treatment of broken shaft of thigh bone with implant 15 14 $1,202

In context: peer comparison

Among 2 peers in La Jolla Orthopaedic Trauma Physician, average services per provider: 214. This provider delivers 4.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$246,504
Transactions
22
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Arthrex, INC. 12 $244,929.40
Flower Orthopedics Coporation 5 $1,125.50
Zimmer Biomet Holdings, INC. 1 $174.65
DePuy Synthes Sales INC. 1 $118.96
Biotissue Holdings INC. 1 $104.22
Stryker Corporation 2 $51.11

By nature of payment

Royalty or License
$245,368
Food and Beverage
$1,136

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
161
Patients
39
Total drug cost
$11,377
Drug Type Claims Patients Total cost
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 57 17 $1,160
Gabapentin Generic 26 0 $432
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 26 11 $392
Tramadol Hcl Generic 22 0 $176
Eliquis (Apixaban) Brand 16 11 $9,038
Oxycodone Hcl Generic 14 0 $180

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Tonks's medical specialty?
Dr. Robert Tonks practices Orthopaedic Trauma Physician in La Jolla, CA.
Where does Dr. Robert Tonks practice?
Dr. Robert Tonks practices at 9834 Genesee Ave Ste 225, La Jolla, CA 920371215. Office phone: 8585769901.
What is Dr. Robert Tonks's NPI?
Dr. Robert Tonks's National Provider Identifier (NPI) is 1659395671, issued by NPPES.
Does Dr. Robert Tonks accept Medicare assignment?
Dr. Robert Tonks does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Robert Tonks commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Insertion of drug delivery implant into tissue (HCPCS 11981). Source: CMS Medicare Physician & Other Practitioners file.