Joseph Grzegorski, PA
NPI 1114688520 · Medical Physician Assistant · Newark, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Grzegorski, PA is a Medical Physician Assistant provider in Newark, NY (NPI 1114688520).
Provider details
- NPI number
- 1114688520
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Physician Assistant363A00000X
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
4 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
285 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 150 | $59 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 48 | $92 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 39 | $139 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 35 | $102 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 13 | $95 |
Typical Medicare-allowed amounts for these services range $59–$139 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ampicillin Sodium | 32 | — |
| Ceftriaxone Sodiumbrand: Ceftriaxone | 20 | — |
| Prednisone | 18 | 16 |
| Metoprolol Succinate | 15 | — |
| 0.9 % Sodium Chloridebrand: Sodium Chloride | 13 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 12 | 11 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-01-07
- Last updated
- 2022-10-19
- Certified
- 2022-10-19
Frequently asked questions
- What is Joseph Grzegorski's NPI number?
- Joseph Grzegorski's National Provider Identifier (NPI) is 1114688520, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Grzegorski's specialty?
- Joseph Grzegorski is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Joseph Grzegorski located?
- Joseph Grzegorski's practice location on file with NPPES is 1200 Driving Park Ave, Newark, NY 14513-1090.
- What is Joseph Grzegorski's phone number?
- The practice phone number listed in the NPPES registry for Joseph Grzegorski is (860) 391-5333.
- Does Joseph Grzegorski accept Medicare?
- Joseph Grzegorski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Grzegorski's NPI active?
- Yes — Joseph Grzegorski's NPI (1114688520) is active in the NPPES registry as of the last update on 2022-10-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.