Eric Williams, OD
NPI 1689671463 · Optometrist · Lutherville, MD
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eric Williams, OD is a Optometrist provider in Lutherville, MD (NPI 1689671463).
Provider details
- NPI number
- 1689671463
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- No
- License
- TA1590 (MD)
Specialties & taxonomies
Eye and Vision Services Providers
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
701 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 | 248 | $129 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 234 | $94 |
| Exam of Visual Field With Extended Testing92083 | 82 | $66 |
| Imaging of Optic Nerve92133 | 72 | $35 |
| New Patient Complete Exam of Visual System92004 | 54 | $153 |
| Imaging of Retina92134 | 11 | $38 |
Typical Medicare-allowed amounts for these services range $35–$153 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 173 | 58 |
| Timolol Maleate | 56 | 16 |
| Prednisolone Acetate | 41 | 30 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 38 | 13 |
| Brimonidine Tartrate | 27 | — |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 27 | 23 |
| Bimatoprostbrand: Lumigan | 26 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$404 across 13 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
- 2005-07-07
- Last updated
- 2012-11-29
Frequently asked questions
- What is Eric Williams's NPI number?
- Eric Williams's National Provider Identifier (NPI) is 1689671463, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Williams's specialty?
- Eric Williams is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Eric Williams located?
- Eric Williams's practice location on file with NPPES is 1209 York Rd, Lutherville, MD 21093-6207.
- What is Eric Williams's phone number?
- The practice phone number listed in the NPPES registry for Eric Williams is (410) 821-9490.
- Does Eric Williams accept Medicare?
- Eric Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eric Williams's NPI active?
- Yes — Eric Williams's NPI (1689671463) is active in the NPPES registry as of the last update on 2012-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.