Quick answers
- Does Jessica F. Walz accept Medicare assignment?
- Yes. Medicare's clinician data says Jessica F. Walz 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 Jessica F. Walz see?
- In 2024, CMS data shows 60 Original Medicare patients and 63 services for Jessica F. Walz. This counts Original Medicare only and measures volume, not quality.
- What is Jessica F. Walz's NPI number?
- 1669544292. 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 Jessica F. Walz, 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 | 60 |
|---|---|
| Services billed to Medicare | 63 |
| Different services or procedures | 6 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)33 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)15 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%
- Arthritis75%
- Ischemic heart disease75%
- Heart failure68%
- Diabetes60%
Hospitals where Jessica F. Walz works
Medicare's Facility Affiliation Data lists Jessica F. Walz 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.
- Chsli St Joseph HospitalBethpage, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330332
- Long Island Community HospitalPatchogue, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330141
- Suny/Stony Brook University HospitalStony Brook, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330393
Practice locations
Addresses where Jessica F. Walz is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 100 Nicolls RdStony Brook, NY 11794 (631) 444‑1560
- 1000 Montauk HwyWest Islip, NY 11795 (516) 705‑2689
- 101 Nicolls RdStony Brook, NY 11794 (631) 444‑1560
- 111 BroadwayNew York, NY 10006 (212) 263‑9700
- 4295 Hempstead TpkeBethpage, NY 11714 (516) 579‑6000
Group practices
Medicare enrollment lists Jessica F. Walz as a member of these groups (CMS data updated October 2, 2026).
- New York University6,134 clinicians in the group
- Stony Brook Internists University Faculty Practice Corporation428 clinicians in the group
- Samaritan Medical Services PC354 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Stony Brook
Clinicians with the same Medicare primary specialty in Stony Brook, NY — not a recommendation.
Other clinicians in New York University
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2003 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1669544292 |
| 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