NPPES file of Aug 9, 2026

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.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1669415576
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
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 250 Flat Rock PL

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Colleen Chappell, PAPhysician Assistant1487910527
  2. Christopher Curdo, MDFamily Medicine Physician1497766422
  3. Tara Fagan, APRNFamily Nurse Practitioner1114205473
  4. Juliette Harris, M.D.Family Medicine Physician1962889337
  5. Megin IaccarinoFamily Nurse Practitioner1033561758
  6. Robert Kyrcz, MDFamily Medicine Physician1346253457

Verify Andrea Marie Niziolek in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
    Search for license 001752
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

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.

  1. Andrea Niziolek3,508
  2. Specialty average1,148

Most prescribed

  1. Atorvastatin Calcium228 claims
  2. Rosuvastatin Calcium159 claims
  3. Lisinopril142 claims
  4. Amlodipine Besylate131 claims
  5. Losartan Potassium123 claims
  6. 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.

  1. Qualityout of 100 · 30% of the final score81.7
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. 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.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Elaine Bonoan, PA-CNew Haven, CT 065041437241361
  2. David Brissette, P.A.New Haven, CT 065041841317393
  3. Tara Carlesco, PA-CWallingford, CT 064921679059505
  4. Anton Cherry, DC, PA-CWallingford, CT 064921730418757
  5. Maria Courtney, P.A.New Haven, CT 065041265559587
  6. William Cushing, P.A.New Haven, CT 065041104943455
  7. Janice Decho, PA-CNew Haven, CT 065041922147578
  8. 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.