Dan Gong, M.D.
NPI 1346621596 · Ophthalmology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dan Gong, M.D. is a Ophthalmology Physician provider in Boston, MA (NPI 1346621596).
Provider details
- NPI number
- 1346621596
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 278416 (MA)
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
11 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
4,204 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 | 1,882 | $30 |
| Injection of Drug Into Eye67028 | 1,003 | $110 |
| Established Patient Complete Exam of Visual System92014 | 546 | $91 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 171 | $74 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 168 | $107 |
| Imaging of Retina92134 | 161 | $26 |
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 | 169 | 74 |
| Ketorolac Tromethamine | 122 | 41 |
| Difluprednate | 75 | 15 |
| Latanoprost | 61 | 17 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 43 | 17 |
| Brimonidine Tartrate | 28 | — |
| Bromfenac Sodium | 24 | — |
| Dorzolamide Hcl | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$327 across 3 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
- 2015-06-13
- Last updated
- 2019-07-05
Frequently asked questions
- What is Dan Gong's NPI number?
- Dan Gong's National Provider Identifier (NPI) is 1346621596, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dan Gong's specialty?
- Dan Gong is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Dan Gong located?
- Dan Gong's practice location on file with NPPES is 243 Charles St, Boston, MA 02114-3002.
- What is Dan Gong's phone number?
- The practice phone number listed in the NPPES registry for Dan Gong is (617) 573-3288.
- Does Dan Gong accept Medicare?
- Dan Gong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dan Gong's NPI active?
- Yes — Dan Gong's NPI (1346621596) is active in the NPPES registry as of the last update on 2019-07-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.