Erin Ong, M.D/M.S.
NPI 1346773389 · Ophthalmology Physician · Fairfax, VA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erin Ong, M.D/M.S. is a Ophthalmology Physician provider in Fairfax, VA (NPI 1346773389).
Provider details
- NPI number
- 1346773389
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D/M.S.
- Sex
- Female
- Sole proprietor
- No
- License
- ME149330 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,811 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 | 291 | $132 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 254 | $94 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 251 | $166 |
| Ct Scan of Cornea92025 | 179 | $39 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 162 | $501 |
| Measurement of Corneal Curvature and Depth of Eye92136 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 120 | 61 |
| Latanoprost | 74 | 34 |
| Valacyclovir Hclbrand: Valacyclovir | 61 | 33 |
| Brimonidine Tartrate | 56 | 42 |
| Moxifloxacin Hclbrand: Moxifloxacin | 53 | 28 |
| Cyclosporinebrand: Restasis | 51 | 24 |
| Timolol Maleate | 39 | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$466 across 18 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
Additional practice locations (2)
- 900 Nw 17th StMiami, FL 33136-1134Phone: (305) 482-4775
- 345 St. Paul PlaceMercy Medical Center, Bunting Building, 7th FloorBaltimore, MD 21202Phone: (410) 332-9694
Registry dates
- Enumerated
- 2017-04-06
- Last updated
- 2022-08-25
- Certified
- 2022-08-25
Frequently asked questions
- What is Erin Ong's NPI number?
- Erin Ong's National Provider Identifier (NPI) is 1346773389, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erin Ong's specialty?
- Erin Ong is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Erin Ong located?
- Erin Ong's practice location on file with NPPES is 3998 Fair Ridge Dr Ste 105, Fairfax, VA 22033-2980.
- What is Erin Ong's phone number?
- The practice phone number listed in the NPPES registry for Erin Ong is (571) 349-2191.
- Does Erin Ong accept Medicare?
- Erin Ong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erin Ong's NPI active?
- Yes — Erin Ong's NPI (1346773389) is active in the NPPES registry as of the last update on 2022-08-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.