Calvin Eng, M.D.
NPI 1225039092 · Ophthalmology Physician · Monterey Park, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Calvin Eng, M.D. is a Ophthalmology Physician provider in Monterey Park, CA (NPI 1225039092).
Provider details
- NPI number
- 1225039092
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- G55239 (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
1,322 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 | 585 | $140 |
| Established Patient Problem Focused Exam of Visual System92012 | 293 | $99 |
| New Patient Complete Exam of Visual System92004 | 238 | $164 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 67 | $584 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 56 | $50 |
| Imaging of Optic Nerve92133 | 29 | $40 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azelastine Hcl | 2,142 | 637 |
| Latanoprost | 1,359 | 229 |
| Prednisolone Acetate | 460 | 234 |
| Timolol Maleate | 404 | 78 |
| Ketorolac Tromethamine | 392 | 161 |
| Brimonidine Tartrate | 334 | 71 |
| Ofloxacin | 255 | 211 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 249 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$289 across 12 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
- 2005-08-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Calvin Eng's NPI number?
- Calvin Eng's National Provider Identifier (NPI) is 1225039092, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Calvin Eng's specialty?
- Calvin Eng is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Calvin Eng located?
- Calvin Eng's practice location on file with NPPES is 850 S Atlantic Blvd, Monterey Park, CA 91754-4730.
- What is Calvin Eng's phone number?
- The practice phone number listed in the NPPES registry for Calvin Eng is (626) 289-8260.
- Does Calvin Eng accept Medicare?
- Calvin Eng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Calvin Eng's NPI active?
- Yes — Calvin Eng's NPI (1225039092) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.