Quick answers
- Does Katherine F. Szema accept Medicare assignment?
- Yes. Medicare's clinician data says Katherine F. Szema 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 Katherine F. Szema see?
- In 2024, CMS data shows 341 Original Medicare patients and 15,604 services for Katherine F. Szema. This counts Original Medicare only and measures volume, not quality.
- What is Katherine F. Szema's NPI number?
- 1841363660. 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 Katherine F. Szema, 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 | 341 |
|---|---|
| Services billed to Medicare | 15,604 |
| Different services or procedures | 23 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Test for allergy using allergenic extract (95004)12,232 services
- Test for allergy using allergenic extract injected into skin (95024)1,713 services
- Professional service for multiple injections of allergen (95117)752 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)145 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)103 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 cholesterol75%
- High blood pressure73%
- Arthritis62%
- Ischemic heart disease34%
- Asthma29%
- Diabetes27%
Practice locations
Addresses where Katherine F. Szema is enrolled with Medicare (CMS data updated October 2, 2026).
- 1131 Broad St, Suite 103Shrewsbury, NJ 07702 (732) 389‑3388
- 1211 Hamburg Tpke, Suite 205Wayne, NJ 07470 (973) 633‑0808
Group practices
Medicare enrollment lists Katherine F. Szema as a member of this group (CMS data updated October 2, 2026).
- Ent and Allergy Associates LLP432 clinicians in the group
Specialties
- Allergy/Immunologyprimary
- Pediatric Medicinealso
Other allergist and immunologists in New Jersey
Clinicians with the same Medicare primary specialty in New Jersey — not a recommendation.
Other clinicians in Ent and Allergy Associates LLP
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Jefferson Medical College Of Thomas Jefferson University |
| Graduation year | 1995 (31 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1841363660 |
| 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