John Huang, M.D.
NPI 1801822754 · Ophthalmology Physician · Hartford, CT
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Huang, M.D. is a Ophthalmology Physician provider in Hartford, CT (NPI 1801822754).
Provider details
- NPI number
- 1801822754
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 045361 (CT)
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
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
6,674 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) |
|---|---|---|
| Imaging of Retina92134 | 2,718 | $43 |
| Injection of Drug Into Eye67028 | 1,428 | $136 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 878 | $136 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 638 | $97 |
| Established Patient Complete Exam of Visual System92014 | 626 | $134 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 110 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 280 | 135 |
| Ketorolac Tromethamine | 252 | 75 |
| Brimonidine Tartrate | 177 | 61 |
| Atropine Sulfate | 100 | 67 |
| Moxifloxacin Hclbrand: Moxifloxacin | 87 | 64 |
| Prednisone | 78 | 31 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 71 | 25 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$46,650 across 81 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
- 2006-06-23
- Last updated
- 2014-10-21
Frequently asked questions
- What is John Huang's NPI number?
- John Huang's National Provider Identifier (NPI) is 1801822754, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Huang's specialty?
- John Huang is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is John Huang located?
- John Huang's practice location on file with NPPES is 85 Seymour St, Hartford, CT 06106-5501.
- What is John Huang's phone number?
- The practice phone number listed in the NPPES registry for John Huang is (860) 549-2020.
- Does John Huang accept Medicare?
- John Huang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Huang's NPI active?
- Yes — John Huang's NPI (1801822754) is active in the NPPES registry as of the last update on 2014-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.