Quick answers
- Does William N. Ainsworth Iv accept Medicare assignment?
- Yes. Medicare's clinician data says William N. Ainsworth Iv accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does William N. Ainsworth Iv see?
- In 2024, CMS data shows 913 Original Medicare patients and 2,009 services for William N. Ainsworth Iv. This counts Original Medicare only and measures volume, not quality.
- What is William N. Ainsworth Iv's NPI number?
- 1336188192. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for William N. Ainsworth Iv, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 913 |
|---|---|
| Services billed to Medicare | 2,009 |
| Different services or procedures | 23 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Established patient complete exam of visual system (92014)653 services
- Measurement of corneal curvature and depth of eye (92136)365 services
- Established patient problem focused exam of visual system (92012)213 services
- Removal of cataract with insertion of prosthetic lens (66984)209 services
- New patient complete exam of visual system (92004)148 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Ischemic heart disease41%
- Diabetes36%
- Chronic kidney disease29%
Hospitals where William N. Ainsworth Iv works
Medicare's Facility Affiliation Data lists William N. Ainsworth Iv at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- HCA Florida Putnam HospitalPalatka, FL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 100232
Practice locations
Addresses where William N. Ainsworth Iv is enrolled with Medicare (CMS data updated October 2, 2026).
- 6121 Crill AvePalatka, FL 32177 (386) 328‑8856
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Florida
Clinicians with the same Medicare primary specialty in Florida — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Emory University School Of Medicine |
| Graduation year | 1981 (45 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1336188192 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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