Quick answers
- Where does Ann K. Williams see patients?
- Medicare's clinician data lists 2 practice locations, including Hammond, IN and Crown Point, IN. Call before your visit to confirm the address.
- What is Ann K. Williams's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Ann K. Williams accept Medicare assignment?
- Yes. Medicare's clinician data says Ann K. Williams accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Ann K. Williams?
- (219) 931-7509, as listed in official Medicare / NPI Registry data.
- What is Ann K. Williams's NPI number?
- 1043216732. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Ann K. Williams is enrolled with Medicare (CMS data updated 2026-10-02).
- 6850 Hohman AveHammond, IN 46324 (219) 931‑7509
- 9797 Massachusetts StCrown Point, IN 46307 (219) 736‑2200
Group practices
Medicare enrollment lists Ann K. Williams as a member of this group (CMS data updated 2026-10-02).
- Williams Eye Institute PC6 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Hammond
Clinicians with the same Medicare primary specialty in Hammond, IN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 1983 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1043216732 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians