Andrea Marie Niziolek, PA
Medical Physician Assistant · Westbrook, CT
Andrea Marie Niziolek, PA is a medical physician assistant with a practice address in Westbrook, Connecticut, and NPI 1669415576, issued on Jun 14, 2006. Check the license (Connecticut 001752, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Andrea Marie Niziolek
- Credential
- PA
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 001752 CT
Self-reported in NPPES; status is on the state search - Practice location
- 250 Flat Rock PL, Westbrook, CT 06498
- Phone
- (860) 358-3640
- Enumerated
- Jun 14, 2006
- Record last updated
- Feb 5, 2026
- Fax
- (860) 358-8656
- Medicare enrollment
- Enrolled (PECOS I20060302000200); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 1,138 in Connecticut → Look up another NPI →
Also registered at 250 Flat Rock PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Colleen Chappell, PAPhysician Assistant1487910527
- Christopher Curdo, MDFamily Medicine Physician1497766422
- Tara Fagan, APRNFamily Nurse Practitioner1114205473
- Juliette Harris, M.D.Family Medicine Physician1962889337
- Megin IaccarinoFamily Nurse Practitioner1033561758
- Robert Kyrcz, MDFamily Medicine Physician1346253457
Verify Andrea Marie Niziolek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 001752Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average medical physician assistant in 2024
3,508 Medicare Part D claims for 374 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 29 claims were for opioids.
Most prescribed
- Atorvastatin Calcium228 claims
- Rosuvastatin Calcium159 claims
- Lisinopril142 claims
- Amlodipine Besylate131 claims
- Losartan Potassium123 claims
- Levothyroxine Sodium101 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 97.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Mhs Primary Care, Inc.Westbrook, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrea Marie Niziolek among 1,138 medical physician assistant records in Connecticut
Andrea Marie Niziolek, PA is one of 1,138 medical physician assistant records with a practice address in Connecticut. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 76% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2006 · median 2015 among the 732 with a school on file
- Record last updated2026 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 medical physician assistant record lists a practice address in Westbrook
They are 1 of the 102 NPPES records with a practice address in Westbrook, and 1,138 medical physician assistant records in Connecticut.
All 1,138 in Connecticut → Every provider in Westbrook → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Elaine Bonoan, PA-CNew Haven, CT 065041437241361
- David Brissette, P.A.New Haven, CT 065041841317393
- Tara Carlesco, PA-CWallingford, CT 064921679059505
- Anton Cherry, DC, PA-CWallingford, CT 064921730418757
- Maria Courtney, P.A.New Haven, CT 065041265559587
- William Cushing, P.A.New Haven, CT 065041104943455
- Janice Decho, PA-CNew Haven, CT 065041922147578
- Timothy Hatcher, PA-CNew Haven, CT 065041679501092
Common questions
What is Andrea Marie Niziolek, PA's NPI number?
Andrea Marie Niziolek, PA's National Provider Identifier (NPI) is 1669415576, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Andrea Marie Niziolek, PA located?
The NPPES record lists a practice address at 250 Flat Rock PL, Westbrook, CT, 06498. Phone: (860) 358-3640. Providers update this record themselves, so call before visiting.
How can I verify Andrea Marie Niziolek, PA's license?
NPPES lists Connecticut license number 001752, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Andrea Marie Niziolek, PA prescribe under Medicare Part D?
In 2024, Andrea Marie Niziolek, PA had 3,508 Medicare Part D claims for 374 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.
What is Andrea Marie Niziolek, PA's MIPS final score?
The 2023 MIPS final score is 97.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.