Andrea Niziolek, PA
NPI 1669415576 · Medical Physician Assistant · Westbrook, CT
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrea Niziolek, PA is a Medical Physician Assistant provider in Westbrook, CT (NPI 1669415576).
Provider details
- NPI number
- 1669415576
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 001752 (CT)
Specialties & taxonomies
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
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
276 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 94 | $118 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 69 | $121 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 37 | $165 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 30 | $13 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 28 | $84 |
| Physician Or Allowed Practitioner Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians and |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 72 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 228 | 66 |
| Rosuvastatin Calcium | 159 | 40 |
| Lisinopril | 142 | 39 |
| Amlodipine Besylate | 131 | 38 |
| Losartan Potassium | 123 | 30 |
| Levothyroxine Sodium | 101 | 28 |
| Escitalopram Oxalate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-14
- Last updated
- 2026-02-05
- Certified
- 2026-02-05
Frequently asked questions
- What is Andrea Niziolek's NPI number?
- Andrea Niziolek's National Provider Identifier (NPI) is 1669415576, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrea Niziolek's specialty?
- Andrea Niziolek is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Andrea Niziolek located?
- Andrea Niziolek's practice location on file with NPPES is 250 Flat Rock Pl, Westbrook, CT 06498-3585.
- What is Andrea Niziolek's phone number?
- The practice phone number listed in the NPPES registry for Andrea Niziolek is (860) 358-3640.
- Does Andrea Niziolek accept Medicare?
- Andrea Niziolek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrea Niziolek's NPI active?
- Yes — Andrea Niziolek's NPI (1669415576) is active in the NPPES registry as of the last update on 2026-02-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.