Christopher Hwang, MD
NPI 1477973113 · Ophthalmology Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Hwang, MD is a Ophthalmology Physician provider in Saint Louis, MO (NPI 1477973113).
Provider details
- NPI number
- 1477973113
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2020014796 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
3,279 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Imaging of Retina92134 | 1,473 | $42 |
| Injection of Drug Into Eye67028 | 956 | $129 |
| Established Patient Complete Exam of Visual System92014 | 293 | $131 |
| Established Patient Problem Focused Exam of Visual System92012 | 220 | $93 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 117 | $170 |
| Exam of Retinal Blood Vessels Using a Special Camera After Injection of a Dye92235 | 111 | $173 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 218 | 149 |
| Ketorolac Tromethamine | 131 | 45 |
| Ofloxacin | 107 | 101 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 34 | 20 |
| Timolol Maleate | 32 | 12 |
| Prednisone | 28 | — |
| Brimonidine Tartrate | 27 | 12 |
| Valacyclovir Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-04-21
- Last updated
- 2021-11-15
- Certified
- 2020-06-30
Frequently asked questions
- What is Christopher Hwang's NPI number?
- Christopher Hwang's National Provider Identifier (NPI) is 1477973113, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Hwang's specialty?
- Christopher Hwang is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Hwang located?
- Christopher Hwang's practice location on file with NPPES is 517 S Euclid Ave, Saint Louis, MO 63110-1007.
- What is Christopher Hwang's phone number?
- The practice phone number listed in the NPPES registry for Christopher Hwang is (314) 362-3431.
- Does Christopher Hwang accept Medicare?
- Christopher Hwang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Hwang's NPI active?
- Yes — Christopher Hwang's NPI (1477973113) is active in the NPPES registry as of the last update on 2021-11-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.