Zachary Ligi, PA-C
Physician Assistant · Waterbury, CT
Zachary Ligi, PA-C is a physician assistant with a practice address in Waterbury, Connecticut, and NPI 1396448981, issued on Mar 23, 2023. Check the license (Connecticut 5983, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Zachary Ligi
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 5983 CT
Self-reported in NPPES; status is on the state search - Practice location
- 64 Robbins St, Waterbury, CT 06708
- Phone
- (203) 573-6000
- Enumerated
- Mar 23, 2023
- Record last updated
- Aug 9, 2023
- Medicare enrollment
- Enrolled (PECOS I20230608000463); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 2,047 in Connecticut → Look up another NPI →
Also registered at 64 Robbins St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Muhammad Saad Bin AmjadHospitalist Physician1508247305
- Samuel Amoakohene, M.D.Anesthesiology Physician1144632241
- Andrea AndersenPhysician Assistant1265921399
- Grace AppahStudent in an Organized Health Care Education/Training Program1295562379
Verify Zachary Ligi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 5983Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average physician assistant in 2024
96 Medicare Part D claims for 71 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- Urgent Care Medical Associates, LLCWallingford, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zachary Ligi among 2,047 physician assistant records in Connecticut
Zachary Ligi, PA-C is one of 2,047 physician assistant records with a practice address in Connecticut. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 77% of them.
- NPI issued2023 · 77% of these records are older, 18% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2022 · median 2018 among the 1,338 with a school on file
- Record last updated2023 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
60 physician assistant records list a practice address in Waterbury
They are 60 of the 3,148 NPPES records with a practice address in Waterbury, and 2,047 physician assistant records in Connecticut.
All 2,047 in Connecticut → Every provider in Waterbury → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Jennifer Aldrich, PA-CWaterbury, CT 067081992108757
- Lynn Baylis, P.A.Waterbury, CT 067081063496776
- Michele Colwell, PAWaterbury, CT 067081518071406
- Sandra Dock, PA-CWaterbury, CT 067081770695140
- Erin Floridia, PA-CWaterbury, CT 067081629387097
- Alan Houle, PA-CWaterbury, CT 067081891777918
- Steven Kaufmann, PA-CWaterbury, CT 067081700868056
- Jenna Langello, PA-CWaterbury, CT 067081538419742
Common questions
What is Zachary Ligi, PA-C's NPI number?
Zachary Ligi, PA-C's National Provider Identifier (NPI) is 1396448981, issued on Mar 23, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Zachary Ligi, PA-C located?
The NPPES record lists a practice address at 64 Robbins St, Waterbury, CT, 06708. Phone: (203) 573-6000. Providers update this record themselves, so call before visiting.
How can I verify Zachary Ligi, PA-C's license?
NPPES lists Connecticut license number 5983, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Zachary Ligi, PA-C prescribe under Medicare Part D?
In 2024, Zachary Ligi, PA-C had 96 Medicare Part D claims for 71 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
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.