Eva-Marie Chong, MD
NPI 1700867009 · Ophthalmology Physician · Scottsdale, AZ
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eva-Marie Chong, MD is a Ophthalmology Physician provider in Scottsdale, AZ (NPI 1700867009).
Provider details
- NPI number
- 1700867009
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 35603 (AZ)
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
20 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
3,025 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 Complete Exam of Visual System92014 | 1,088 | $121 |
| Imaging of Retina92134 | 321 | $39 |
| Exam of Visual Field With Extended Testing92083 | 263 | $61 |
| Imaging of Optic Nerve92133 | 253 | $35 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 252 | $518 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 221 | $43 |
| Established Patient Problem Focused Exam of Visual System |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 704 | 216 |
| Prednisolone Acetate | 335 | 250 |
| Timolol Maleate | 236 | 75 |
| Ofloxacin | 227 | 171 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 126 | 42 |
| Dorzolamide Hcl | 48 | 13 |
| Bimatoprostbrand: Lumigan | 42 | — |
| Cyclosporinebrand: Restasis |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$119 across 1 record (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
- 2005-11-14
- Last updated
- 2014-11-10
Frequently asked questions
- What is Eva-Marie Chong's NPI number?
- Eva-Marie Chong's National Provider Identifier (NPI) is 1700867009, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eva-Marie Chong's specialty?
- Eva-Marie Chong is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Eva-Marie Chong located?
- Eva-Marie Chong's practice location on file with NPPES is 10250 N 92nd St, Scottsdale, AZ 85258-4510.
- What is Eva-Marie Chong's phone number?
- The practice phone number listed in the NPPES registry for Eva-Marie Chong is (480) 237-3799.
- Does Eva-Marie Chong accept Medicare?
- Eva-Marie Chong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eva-Marie Chong's NPI active?
- Yes — Eva-Marie Chong's NPI (1700867009) is active in the NPPES registry as of the last update on 2014-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.