Williams Eye Institute, PC
NPI 1689670390 · Ambulatory Surgical Clinic/Center · Hammond, IN
Enrolled with Medicare as Part B Supplier - Ambulatory Surgical Center · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Williams Eye Institute, PC is a Ambulatory Surgical Clinic/Center organization in Hammond, IN (NPI 1689670390).
Provider details
- NPI number
- 1689670390
- Entity type
- Organization
- Primary specialty
- Ambulatory Surgical Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Douglas Williams, President(219) 736-2200
- License
- 010110 (IN)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
1,001 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) |
|---|---|---|
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 678 | $1,096 |
| Removal of Recurring Cataract in Lens Capsule Using a Laser66821 | 246 | $282 |
| Complex Removal of Cataract With Insertion of Prosthetic Lens66982 | 49 | $1,087 |
| Laser Repair to Improve Eye Fluid Flow65855 | 28 | $124 |
Typical Medicare-allowed amounts for these services range $124–$1,096 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Williams Eye Surgery Center
- Doing business as
- Williams Eye Surgery Center
Registry dates
- Enumerated
- 2005-06-27
- Last updated
- 2024-10-09
- Certified
- 2024-10-09
Frequently asked questions
- What is Williams Eye Institute, PC's NPI number?
- Williams Eye Institute, PC's National Provider Identifier (NPI) is 1689670390, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Williams Eye Institute, PC?
- Williams Eye Institute, PC is classified in the NPPES registry as Ambulatory Surgical Clinic/Center (Ambulatory Health Care Facilities).
- Where is Williams Eye Institute, PC located?
- Williams Eye Institute, PC's practice location on file with NPPES is 6836 Hohman Avenue, Hammond, IN 46324-1410.
- What is Williams Eye Institute, PC's phone number?
- The practice phone number listed in the NPPES registry for Williams Eye Institute, PC is (219) 937-5063.
- Does Williams Eye Institute, PC accept Medicare?
- Williams Eye Institute, PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Williams Eye Institute, PC?
- The authorized official listed on Williams Eye Institute, PC's NPPES record is Douglas Williams, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Williams Eye Institute, PC's NPI active?
- Yes — Williams Eye Institute, PC's NPI (1689670390) is active in the NPPES registry as of the last update on 2024-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.