Quick answers
- Does Paul J. Sietmann accept Medicare assignment?
- Yes. Medicare's clinician data says Paul J. Sietmann 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 Paul J. Sietmann see?
- In 2024, CMS data shows 963 Original Medicare patients and 2,279 services for Paul J. Sietmann. This counts Original Medicare only and measures volume, not quality.
- What is Paul J. Sietmann's NPI number?
- 1558356162. 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 Paul J. Sietmann, 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 | 963 |
|---|---|
| Services billed to Medicare | 2,279 |
| Different services or procedures | 16 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient complete exam of visual system (92014)726 services
- Imaging of retina (92134)521 services
- Established patient problem focused exam of visual system (92012)398 services
- Imaging of optic nerve (92133)219 services
- Exam of visual field with extended testing (92083)170 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%
- Arthritis49%
- Diabetes35%
- Ischemic heart disease28%
- Chronic kidney disease25%
Practice locations
Addresses where Paul J. Sietmann is enrolled with Medicare (CMS data updated October 2, 2026).
- 2380 S Goliad St, Suite 100 Key Whitman Eye CenterRockwall, TX 75032 (214) 754‑0000
Group practices
Medicare enrollment lists Paul J. Sietmann as a member of this group (CMS data updated October 2, 2026).
- JW Eye Associates, PLLC36 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Rockwall
Clinicians with the same Medicare primary specialty in Rockwall, TX — not a recommendation.
Other clinicians in JW Eye Associates, PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Optometry school | Illinois College Of Optometry At Chicago |
| Graduation year | 1987 (39 years since optometry school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1558356162 |
| 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 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