Thomas Eng, MD
NPI 1790858413 · Neurology Physician · Corona, CA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Eng, MD is a Neurology Physician provider in Corona, CA (NPI 1790858413).
Provider details
- NPI number
- 1790858413
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A040273
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
876 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 513 | $85 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 104 | $164 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 83 | $178 |
| Measurement of Brain Wave Activity (eeg), Awake and Asleep95819 | 60 | $463 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886 | 60 | $96 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 49 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 233 | 54 |
| Levetiracetam | 217 | 46 |
| Ropinirole Hcl | 213 | 36 |
| Donepezil Hcl | 211 | 66 |
| Memantine Hcl | 190 | 59 |
| Lamotrigine | 133 | 24 |
| Topiramate | 130 | 40 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$949 across 40 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-17
- Last updated
- 2026-05-27
- Certified
- 2026-05-27
Frequently asked questions
- What is Thomas Eng's NPI number?
- Thomas Eng's National Provider Identifier (NPI) is 1790858413, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Eng's specialty?
- Thomas Eng is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Eng located?
- Thomas Eng's practice location on file with NPPES is 341 Magnolia Ave Ste 102, Corona, CA 92879-3331.
- What is Thomas Eng's phone number?
- The practice phone number listed in the NPPES registry for Thomas Eng is (951) 592-3662.
- Does Thomas Eng accept Medicare?
- Thomas Eng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Eng's NPI active?
- Yes — Thomas Eng's NPI (1790858413) is active in the NPPES registry as of the last update on 2026-05-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.