Sheridan Lam, M.D.
NPI 1689673964 · Ophthalmology Physician · Lombard, IL
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sheridan Lam, M.D. is a Ophthalmology Physician provider in Lombard, IL (NPI 1689673964).
Provider details
- NPI number
- 1689673964
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036071526 (IL)
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
5,715 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 | 1,768 | $128 |
| Established Patient Problem Focused Exam of Visual System92012 | 939 | $91 |
| Photography of the Retina92250 | 777 | $37 |
| Imaging of Retina92134 | 669 | $41 |
| Exam of Visual Field With Extended Testing92083 | 337 | $65 |
| New Patient Complete Exam of Visual System92004 | 296 | $150 |
| Imaging of Optic Nerve92133 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 733 | 241 |
| Prednisolone Acetate | 687 | 392 |
| Ofloxacin | 446 | 332 |
| Timolol Maleate | 176 | 54 |
| Loteprednol Etabonate | 108 | 58 |
| Brimonidine Tartrate | 98 | 32 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 94 | 33 |
| Ketorolac Tromethamine |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$377 across 16 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
- 2005-07-19
- Last updated
- 2010-05-13
Frequently asked questions
- What is Sheridan Lam's NPI number?
- Sheridan Lam's National Provider Identifier (NPI) is 1689673964, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sheridan Lam's specialty?
- Sheridan Lam is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Sheridan Lam located?
- Sheridan Lam's practice location on file with NPPES is 2500 S Highland Ave, Lombard, IL 60148-5363.
- What is Sheridan Lam's phone number?
- The practice phone number listed in the NPPES registry for Sheridan Lam is (630) 495-2220.
- Does Sheridan Lam accept Medicare?
- Sheridan Lam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sheridan Lam's NPI active?
- Yes — Sheridan Lam's NPI (1689673964) is active in the NPPES registry as of the last update on 2010-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.