Eric Chiu, M.D.
NPI 1538171921 · Ophthalmology Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eric Chiu, M.D. is a Ophthalmology Physician provider in Saint Louis, MO (NPI 1538171921).
Provider details
- NPI number
- 1538171921
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 241356 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
2,227 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 519 | $119 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 507 | $84 |
| Microfluid Analysis of Tears83861 | 449 | $22 |
| Imaging of Retina92134 | 127 | $35 |
| Exam of Visual Field With Extended Testing92083 | 116 | $58 |
| Imaging of Optic Nerve92133 | 105 | $31 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 481 | 133 |
| Timolol Maleate | 128 | 49 |
| Cyclosporinebrand: Restasis | 122 | 61 |
| Bimatoprostbrand: Lumigan | 119 | 43 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 88 | 23 |
| Cyclosporine | 70 | 33 |
| Brimonidine Tartrate/Timololbrand: Brimonidine Tartrate-Timolol | 64 | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$621 across 25 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
- 2006-08-13
- Last updated
- 2013-04-03
Frequently asked questions
- What is Eric Chiu's NPI number?
- Eric Chiu's National Provider Identifier (NPI) is 1538171921, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Chiu's specialty?
- Eric Chiu is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Eric Chiu located?
- Eric Chiu's practice location on file with NPPES is 12990 Manchester Rd Ste 202, Saint Louis, MO 63131-1860.
- What is Eric Chiu's phone number?
- The practice phone number listed in the NPPES registry for Eric Chiu is (314) 432-6137.
- Does Eric Chiu accept Medicare?
- Eric Chiu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eric Chiu's NPI active?
- Yes — Eric Chiu's NPI (1538171921) is active in the NPPES registry as of the last update on 2013-04-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.