Steven Quan
NPI 1871943092 · Optometrist · Chicago, IL
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Quan is a Optometrist provider in Chicago, IL (NPI 1871943092).
Provider details
- NPI number
- 1871943092
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 046011138 (IL)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 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
1,180 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 386 | $106 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 251 | $72 |
| Exam of Visual Field With Extended Testing92083 | 174 | $28 |
| Imaging of Optic Nerve92133 | 170 | $22 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 66 | $147 |
| Imaging of Retina92134 | 55 | $26 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 698 | 232 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 304 | 102 |
| Brimonidine Tartrate | 202 | 77 |
| Timolol Maleate | 122 | 45 |
| Dorzolamide Hcl | 114 | 41 |
| Bimatoprostbrand: Lumigan | 56 | 16 |
| Prednisolone Acetate | 53 | 39 |
| Travoprost |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-06-18
- Last updated
- 2025-01-23
- Certified
- 2025-01-23
Frequently asked questions
- What is Steven Quan's NPI number?
- Steven Quan's National Provider Identifier (NPI) is 1871943092, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Quan's specialty?
- Steven Quan is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Steven Quan located?
- Steven Quan's practice location on file with NPPES is 5841 S Maryland Ave, Chicago, IL 60637-1443.
- What is Steven Quan's phone number?
- The practice phone number listed in the NPPES registry for Steven Quan is (888) 824-0200.
- Does Steven Quan accept Medicare?
- Steven Quan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Quan's NPI active?
- Yes — Steven Quan's NPI (1871943092) is active in the NPPES registry as of the last update on 2025-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.