Dennis Chuck, MD
NPI 1033183413 · Ophthalmology Physician · Pomona, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dennis Chuck, MD is a Ophthalmology Physician provider in Pomona, CA (NPI 1033183413).
Provider details
- NPI number
- 1033183413
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G42101 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
1,507 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 Complete Exam of Visual System92014 | 684 | $140 |
| Established Patient Problem Focused Exam of Visual System92012 | 262 | $99 |
| New Patient Complete Exam of Visual System92004 | 136 | $164 |
| Imaging of Optic Nerve92133 | 107 | $38 |
| Exam of Visual Field With Extended Testing92083 | 91 | $72 |
| Ultrasound Scan to Determine Eye Length and Lens Power76519 | 79 | $77 |
| Removal of Cataract With Insertion of Prosthetic Lens |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 1,650 | 384 |
| Timolol Maleate | 667 | 167 |
| Prednisolone Acetate | 480 | 321 |
| Ketorolac Tromethamine | 432 | 306 |
| Moxifloxacin Hclbrand: Moxifloxacin | 375 | 296 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 227 | 66 |
| Brimonidine Tartrate | 194 | 51 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$237 across 9 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
- 2006-02-14
- Last updated
- 2008-02-08
Frequently asked questions
- What is Dennis Chuck's NPI number?
- Dennis Chuck's National Provider Identifier (NPI) is 1033183413, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Chuck's specialty?
- Dennis Chuck is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Dennis Chuck located?
- Dennis Chuck's practice location on file with NPPES is 1774 Alameda St, Pomona, CA 91768-1727.
- What is Dennis Chuck's phone number?
- The practice phone number listed in the NPPES registry for Dennis Chuck is (909) 622-1188.
- Does Dennis Chuck accept Medicare?
- Dennis Chuck is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dennis Chuck's NPI active?
- Yes — Dennis Chuck's NPI (1033183413) is active in the NPPES registry as of the last update on 2008-02-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.