Doctor profile · Federal record

Dr. Thomas Eng, MD

Specialist (CMS: Neurology) · Neurology Physician · Corona, CA

  • NPI 1790858413
  • Accepts Medicare
  • MIPS 27.7 / 100 · 2023
  • 44 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
341 Magnolia Ave, #102
Corona, CA 928793331
(951) 371-8109
fax (951) 272-3936

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
March 18, 2025
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
174400000X — NUCC code
State license (1)
California #A40273
Medicaid
CA #00A402730

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790858413. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
913
Distinct HCPCS
7
Medicare allowed
$124,216
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 561 249 $89
99204 New patient office or other outpatient visit, 45-59 minutes 101 101 $172
95819 Measurement of brain wave activity (eeg), awake and asleep 65 65 $475
95886 Needle measurement of electrical activity in arm or leg muscles, complete study 63 33 $103
99215 Established patient office or other outpatient visit, 40-54 minutes 55 49 $185
99214 Established patient office or other outpatient visit, 30-39 minutes 45 42 $120
95910 Nerve conduction, 7-8 studies 23 23 $183

In context: peer comparison

Among 2 peers in this city , average services per provider: 92. This provider delivers 9.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$949
Transactions
40
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 8 $140.20
Otsuka America Pharmaceutical, Inc. 2 $138.26
UCB, Inc. 4 $116.68
MDD US Operations, LLC 6 $107.22
ABBVIE INC. 4 $104.35
Teva Pharmaceuticals USA, Inc. 3 $76.22
Kyowa Kirin, Inc. 2 $41.04
Lundbeck LLC 2 $39.49
Biogen, Inc. 2 $39.22
Averitas Pharma Inc. 1 $34.95
Amneal Pharmaceuticals LLC 1 $29.21
SK Life Science, Inc. 2 $27.96
Sumitomo Pharma America, Inc. 1 $27.46
Lilly USA, LLC 1 $13.75
PFIZER INC. 1 $13.45

By nature of payment

Food and Beverage
$949

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,761
Patients
420
Total drug cost
$84,773
Drug Type Claims Patients Total cost
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 229 58 $7,469
Ropinirole Hcl Generic 228 38 $8,230
Levetiracetam Generic 178 36 $7,485
Memantine Hcl Generic 172 51 $8,118
Topiramate Generic 147 43 $2,541
Donepezil Hcl Generic 139 48 $2,522
Gabapentin Generic 124 38 $3,052
Lamotrigine Generic 117 27 $3,617
Oxcarbazepine Generic 88 19 $3,727
Escitalopram Oxalate Generic 74 28 $866

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Eng's medical specialty?
Dr. Thomas Eng practices Specialist in Corona, CA.
Where does Dr. Thomas Eng practice?
Dr. Thomas Eng practices at 341 Magnolia Ave, Corona, CA 928793331. Office phone: 9513718109.
What is Dr. Thomas Eng's NPI?
Dr. Thomas Eng's National Provider Identifier (NPI) is 1790858413, issued by NPPES.
Does Dr. Thomas Eng accept Medicare assignment?
Yes. Dr. Thomas Eng accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Eng commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204); Measurement of brain wave activity (eeg), awake and asleep (HCPCS 95819). Source: CMS Medicare Physician & Other Practitioners file.