Larisa Ann Gillern, PHYSICIAN ASSISTANT
Surgical Physician Assistant · Greenwich, CT
Larisa Ann Gillern, PHYSICIAN ASSISTANT is a surgical physician assistant with a practice address in Greenwich, Connecticut, and NPI 1639793557, issued on Jun 5, 2020. Check the license with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Larisa Ann Gillern
- Credential
- PHYSICIAN ASSISTANT
- Primary taxonomy
- Surgical Physician Assistant 363AS0400X
- Practice location
- 5 Perryridge RD, Greenwich, CT 06830
- Phone
- (203) 863-3000
- Enumerated
- Jun 5, 2020
- Record last updated
- Oct 14, 2025
- Medicare enrollment
- Enrolled (PECOS I20260130002042); may accept Medicare assignment
- Entity
- Type 1 · individual
Also registered at 5 Perryridge RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tena AbrahamPharmacist1649838905
- Hanief Abrahams, M.D.Anesthesiology Physician1497798235
- Diana Adams, M.D.Maternal & Fetal Medicine Physician1255300653
- Saheeb AhmedStudent in an Organized Health Care Education/Training Program1326626748
- Rachel Alfandre, LCSWClinical Social Worker1497077259
- Vicki Altmeyer, M.D.Anatomic Pathology & Clinical Pathology Physician1700807898
Verify Larisa Ann Gillern in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average surgical physician assistant in 2024
101 Medicare Part D claims for 48 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. 31 claims were for opioids.
Most prescribed
- Oxycodone Hcl29 claims
- Celecoxib18 claims
- Famotidine11 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.
18 surgical physician assistant records list a practice address in Greenwich
They are 18 of the 1,184 NPPES records with a practice address in Greenwich, and 808 surgical physician assistant records in Connecticut.
All 18 in Greenwich → All 808 in Connecticut → Every provider in Greenwich →
Other surgical physician assistant records in Connecticut
- Samantha Abraham, PA-CNew Britain, CT1922580984
- Peter Ackerman, PA-C, ATC, CSCSDanbury, CT1487614160
- Allison Adajian, PA-CHartford, CT1619129582
- Katherine Adams, PA-CFarmington, CT1891666426
- Sarah Adams, PA-CWaterbury, CT1477748341
- Aasiya Ahmed, PA-CNorwich, CT1497574545
- Richard Ahrens, PA-CVernon, CT1417389735
- Joshua Alge, PA-CHartford, CT1184134702
- Lindsay Alger, PA-CHartford, CT1093207037
- Ali AlkabasiFarmington, CT1669145629
Common questions
What is Larisa Ann Gillern, PHYSICIAN ASSISTANT's NPI number?
Larisa Ann Gillern, PHYSICIAN ASSISTANT's National Provider Identifier (NPI) is 1639793557, issued on Jun 5, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Larisa Ann Gillern, PHYSICIAN ASSISTANT located?
The NPPES record lists a practice address at 5 Perryridge RD, Greenwich, CT, 06830. Phone: (203) 863-3000. Providers update this record themselves, so call before visiting.
How can I verify Larisa Ann Gillern, PHYSICIAN ASSISTANT's license?
Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Larisa Ann Gillern, PHYSICIAN ASSISTANT prescribe under Medicare Part D?
In 2024, Larisa Ann Gillern, PHYSICIAN ASSISTANT had 101 Medicare Part D claims for 48 beneficiaries; the average among surgical physician assistant prescribers was 304. 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.