NPPES file of Aug 9, 2026

Patricia Ann Posillico, NP

Adult Health Nurse Practitioner · East Setauket, NY

Patricia Ann Posillico, NP is an adult health nurse practitioner with a practice address in East Setauket, New York, and NPI 1699886242, issued on Aug 31, 2006. Check the license (New York 304438, as entered in NPPES) with the New York 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
1699886242
Name
Patricia Ann Posillico
Credential
NP
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License number
304438 NY
Self-reported in NPPES; status is on the state search
Practice location
45 Research Way, East Setauket, NY 11733
Phone
(631) 941-2010
Enumerated
Aug 31, 2006
Record last updated
Sep 26, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 45 Research Way

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

  1. Denise Altamore, NPAdult Health Nurse Practitioner1689918823
  2. David Benson, MDCardiovascular Disease Physician1902823529
  3. Peter Bruno, MDCardiovascular Disease Physician1588770861
  4. Christopher Cesa, M.D.Cardiovascular Disease Physician1083661458
  5. Emanuel Chryssos, M.D.Cardiovascular Disease Physician1225247562
  6. Brittany DeckerSocial Worker1275045577

Verify Patricia Ann Posillico in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 304438
    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 New York 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.

99% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024

18 Medicare Part D claims, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D.

  1. Patricia Posillico18
  2. Specialty average1,280

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): 98.5 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 score82.9
  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).

Patricia Ann Posillico among 6,028 adult health nurse practitioner records in New York

Patricia Ann Posillico, NP is one of 6,028 adult health nurse practitioner records with a practice address in New York. 69% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 87% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · 44% of these records are
  • Record last updated2007 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

40 adult health nurse practitioner records list a practice address in East Setauket

They are 40 of the 972 NPPES records with a practice address in East Setauket, and 6,028 adult health nurse practitioner records in New York.

The 8 adult health nurse practitioner records with the nearest ZIP codes

  1. Denise Albano, ANPCEast Setauket, NY 117331770588378
  2. Janet Badalamenti, ANPCE Setauket, NY 117331962407494
  3. Kristina Demarco, ANPCE Setauket, NY 117331407853526
  4. Jennifer Doolan, NPEast Setauket, NY 117331346339744
  5. Beverly Elliott, ANPEast Setauket, NY 117331447342605
  6. Harold Flockhart, NPEast Setauket, NY 117331093734139
  7. Mary Ann Fragola, ANPCE Setauket, NY 117331508862079
  8. Deborah Lupo, NPEast Setauket, NY 117331043347164

Common questions

What is Patricia Ann Posillico, NP's NPI number?

Patricia Ann Posillico, NP's National Provider Identifier (NPI) is 1699886242, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Patricia Ann Posillico, NP located?

The NPPES record lists a practice address at 45 Research Way, East Setauket, NY, 11733. Phone: (631) 941-2010. Providers update this record themselves, so call before visiting.

How can I verify Patricia Ann Posillico, NP's license?

NPPES lists New York license number 304438, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Patricia Ann Posillico, NP prescribe under Medicare Part D?

In 2024, Patricia Ann Posillico, NP had 18 Medicare Part D claims; the average among adult health nurse practitioner prescribers was 1,280. Part D covers Medicare prescriptions only.

What is Patricia Ann Posillico, NP's MIPS final score?

The 2023 MIPS final score is 98.5 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.