NPPES file of Aug 9, 2026

Diane Marchiafava, PA

Surgical Physician Assistant · Bay Shore, NY

Diane Marchiafava, PA is a surgical physician assistant with a practice address in Bay Shore, New York, and NPI 1144368549, issued on Feb 1, 2007. Check the license (New York 006580-1, 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
1144368549
Name
Diane Marchiafava
Credential
PA
Primary taxonomy
Surgical Physician Assistant 363AS0400X
License number
006580-1 NY
Self-reported in NPPES; status is on the state search
Practice location
301 E Main St, Bay Shore, NY 11706
Phone
(631) 968-3895
Enumerated
Feb 1, 2007
Record last updated
Jul 3, 2024
Medicare enrollment
Enrolled (PECOS I20040421000739); accepts Medicare assignment
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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Also registered at 301 E Main St

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

  1. John Abbate, PT,DPTPhysical Therapist1588201701
  2. Samer Abu DayehEmergency Medicine Physician1730882697
  3. Tracie Ackerman, ANP-C, AGACNPAdult Health Nurse Practitioner1154417848
  4. Tyler Acton, PACPhysician Assistant1528898707
  5. James Adams, RPA-CPhysician Assistant1811070105
  6. Abimbola AdebajoPrimary Care Nurse Practitioner1942684667

Verify Diane Marchiafava 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 006580-1
    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

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61% fewer Medicare Part D claims than the average surgical physician assistant in 2024

119 Medicare Part D claims for 74 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. 11 claims were for opioids.

  1. Diane Marchiafava119
  2. Specialty average304

Most prescribed

  1. Cephalexin37 claims
  2. Tamsulosin Hcl16 claims
  3. Oxybutynin Chloride14 claims
  4. Ciprofloxacin Hcl12 claims
  5. Oxycodone Hcl11 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): 91.3 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 score74.9
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%91.7
  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).

Industry payments in 2024: $116.89

2 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 7,578 providers of this specialty with any payment received $703.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Diane Marchiafava$116.89
  2. Specialty average$703.95

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-Lij Medical PCManhasset, NY

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

29 surgical physician assistant records list a practice address in Bay Shore

They are 29 of the 1,931 NPPES records with a practice address in Bay Shore, and 2,152 surgical physician assistant records in New York.

Other surgical physician assistant records in New York

  1. Katrina Abdalla, PAUtica, NY1669722500
  2. Bahgat Abdelaziz, P.A.Auburn, NY1356394761
  3. Nasir Abdul-Wadud, PASyracuse, NY1033357371
  4. Ismail Abdul-Wahid, PA-CBrooklyn, NY1124656350
  5. Anat Abeckaser, PABrooklyn, NY1265608202
  6. Faiz AbedStaten Island, NY1053933143
  7. Ellina Abkin, PA-CBrooklyn, NY1134386717
  8. Fayrose Abodeshisha, RPA-CNew York, NY1245482413
  9. Richard Abraham, PA-CEast Setauket, NY1912013046
  10. Tracy Abraham, PABronx, NY1124241872

Common questions

What is Diane Marchiafava, PA's NPI number?

Diane Marchiafava, PA's National Provider Identifier (NPI) is 1144368549, issued on Feb 1, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Diane Marchiafava, PA located?

The NPPES record lists a practice address at 301 E Main St, Bay Shore, NY, 11706. Phone: (631) 968-3895. Providers update this record themselves, so call before visiting.

How can I verify Diane Marchiafava, PA's license?

NPPES lists New York license number 006580-1, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Diane Marchiafava, PA prescribe under Medicare Part D?

In 2024, Diane Marchiafava, PA had 119 Medicare Part D claims for 74 beneficiaries; the average among surgical physician assistant prescribers was 304. Part D covers Medicare prescriptions only.

What is Diane Marchiafava, PA's MIPS final score?

The 2023 MIPS final score is 91.3 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.