Doctor profile · Federal record

Dr. Ghassan Tooma, MD

Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Corona, CA

  • NPI 1629089073
  • Accepts Medicare
  • MIPS 70.8 / 100 · 2023
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
341 Magnolia Ave, Ste 101
Corona, CA 928793331
(951) 735-6060
fax (951) 735-4510
Additional location
28078 Baxter RD # 330-340
Murrieta, CA 925631402
Mailing address
341 Magnolia Ave Ste 101
Corona, CA 928793331

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
January 16, 2022
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207X00000X — NUCC code
State license (1)
California #G64601
Medicaid
CA #00G646010

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629089073. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,327
Distinct HCPCS
10
Medicare allowed
$109,504
HCPCS Description Services Patients Avg allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 468 102 $1
99213 Established patient office or other outpatient visit, 20-29 minutes 191 143 $93
99214 Established patient office or other outpatient visit, 30-39 minutes 128 99 $131
20610 Aspiration and/or injection of fluid from large joint 124 63 $67
73560 X-ray of knee, 1-2 views 61 44 $37
20550 Injection into tendon or ligament 49 37 $52
99204 New patient office or other outpatient visit, 45-59 minutes 48 48 $171
73130 X-ray of hand, minimum of 3 views 44 42 $39
99203 New patient office or other outpatient visit, 30-44 minutes 44 44 $116
73502 X-ray of hip, 2-3 views 30 25 $48

In context: peer comparison

Among 6 peers in Corona Orthopaedic Surgery Physician, average services per provider: 68. This provider delivers 20× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
357
Patients
186
Total drug cost
$5,587
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 60 37 $498
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 59 39 $603
Tramadol Hcl Generic 57 35 $184
Ibuprofen Generic 43 17 $995
Meloxicam Generic 29 18 $595
Cephalexin Generic 28 27 $122
Celecoxib Generic 22 13 $1,622
Diclofenac Sodium Generic 17 0 $658
Oxycodone Hcl Generic 16 0 $137
Methylprednisolone Generic 15 0 $107

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ghassan Tooma's medical specialty?
Dr. Ghassan Tooma practices Orthopaedic Surgery Physician in Corona, CA.
Where does Dr. Ghassan Tooma practice?
Dr. Ghassan Tooma practices at 341 Magnolia Ave, Corona, CA 928793331. Office phone: 9517356060.
What is Dr. Ghassan Tooma's NPI?
Dr. Ghassan Tooma's National Provider Identifier (NPI) is 1629089073, issued by NPPES.
Does Dr. Ghassan Tooma accept Medicare assignment?
Yes. Dr. Ghassan Tooma accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ghassan Tooma commonly perform?
Top Medicare-reported procedures in 2023: Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.