NPPES file of Aug 9, 2026

Silvia Adaljisa Diaz, NP

Adult Health Nurse Practitioner · Patchogue, NY

Silvia Adaljisa Diaz, NP is an adult health nurse practitioner with a practice address in Patchogue, New York, and NPI 1124309174, issued on Sep 5, 2011. Check the license (New York F309691, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1124309174
Name
Silvia Adaljisa Diaz
Credential
NP
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License numbers
F309691 NY
645226-1 NY
Self-reported in NPPES; status is on the state search
Practice location
365 E Main St, Patchogue, NY 11772
Phone
(631) 751-3000
Enumerated
Sep 5, 2011
Record last updated
Jul 15, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(631) 509-6559
Medicare enrollment
Enrolled (PECOS I20201029001262); accepts Medicare assignment
Medical or professional school
State University Of New York At Stony Brook, School Of Medicine, 2020
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.
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8 nearest adult health nurse practitioner records → All 6,028 in New York → Look up another NPI →

Also registered at 365 E Main St

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

  1. Higer Abdallah, NPFamily Medicine Physician1528662400
  2. Kanista Basnayake, M.D.Family Medicine Physician1336221233
  3. Bernice BouzyWomen's Health Nurse Practitioner1013492545
  4. Barbara Chitkara, LCSWClinical Social Worker1326091307
  5. Nicolette Davila, RDNRegistered Dietitian1922519503
  6. David Eagle, M.D.Hematology & Oncology Physician1134124910

Verify Silvia Adaljisa Diaz 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 F309691    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.

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75% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024

326 Medicare Part D claims for 203 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 11 claims were for opioids.

  1. Silvia Diaz326
  2. Specialty average1,280

Most prescribed

  1. Prednisone39 claims
  2. Azithromycin27 claims
  3. Xarelto15 claims
  4. Hydroxyurea13 claims
  5. Levofloxacin12 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.

Industry payments in 2024: $360.63

8 payments; by number, the most common kind was food and beverage; the largest payer was Sobi, Inc. The 12,291 providers of this specialty with any payment received $946.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Silvia Diaz$360.63
  2. Specialty average$946.40

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. North Shore Hematology Oncology Associates PCBabylon, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Silvia Adaljisa Diaz among 6,028 adult health nurse practitioner records in New York

Silvia Adaljisa Diaz, 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 2011, is newer than 35% of them.

  • NPI issued2011 · 35% of these records are older, 61% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 44% of these records are
  • Graduated2020 · median 2016 among the 2,678 with a school on file
  • Record last updated2020 · 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).

30 adult health nurse practitioner records list a practice address in Patchogue

They are 30 of the 987 NPPES records with a practice address in Patchogue, and 6,028 adult health nurse practitioner records in New York.

All 6,028 in New York → Every provider in Patchogue → Adult Health Nurse Practitioner nationwide →

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

  1. Christine Aiello, NPPatchogue, NY 117721427276914
  2. Linda Belber, ANPPatchogue, NY 117721003987637
  3. Marisa Bisiani, NURSE PRACTITIONERPatchogue, NY 117721770765117
  4. Terrie Brennan, NPEast Patchogue, NY 117721558447789
  5. Lesley-Anne Brown, N. P.East Patchogue, NY 117721851519243
  6. Laureen Diot, ANP-CEast Patchogue, NY 117721235191370
  7. Eileen Hazell, ANPPatchogue, NY 117721184849978
  8. Susan Henderson, NPEast Patchogue, NY 117721700043411

Common questions

What is Silvia Adaljisa Diaz, NP's NPI number?

Silvia Adaljisa Diaz, NP's National Provider Identifier (NPI) is 1124309174, issued on Sep 5, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Silvia Adaljisa Diaz, NP located?

The NPPES record lists a practice address at 365 E Main St, Patchogue, NY, 11772. Phone: (631) 751-3000. Providers update this record themselves, so call before visiting.

How can I verify Silvia Adaljisa Diaz, NP's license?

NPPES lists New York license number F309691, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Silvia Adaljisa Diaz, NP prescribe under Medicare Part D?

In 2024, Silvia Adaljisa Diaz, NP had 326 Medicare Part D claims for 203 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.