NPPES file of Aug 9, 2026

Eugene A. Guidarelli, PA

Physician Assistant · Schenectady, NY

Eugene A. Guidarelli, PA is a physician assistant with a practice address in Schenectady, New York, and NPI 1164452660, issued on Jul 3, 2006. Check the license (New York 003744-1, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1164452660
Name
Eugene A. Guidarelli
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
003744-1 NY
Self-reported in NPPES; status is on the state search
Practice location
600 Mcclellan St, Schenectady, NY 12304
Phone
(518) 382-2222
Enumerated
Jul 3, 2006
Record last updated
Jun 16, 2008 (not updated in 18 years: call before relying on the address or phone)
Medicaid ID
02365891 NY
Medicare enrollment
Enrolled (PECOS I20080716000162); 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 600 Mcclellan St

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

  1. Colleen Amato, MDAnatomic Pathology & Clinical Pathology Physician1417947698
  2. Marypat Ambrosino, RDRegistered Dietitian1295828580
  3. Alyssa Aragosa, PA-CMedical Physician Assistant1982063434
  4. Flor De Maria Arnold, NPPsychiatric/Mental Health Nurse Practitioner1043828890
  5. Roger Barrowman, MDEmergency Medicine Physician1124057096
  6. Lindsey Battiste, D.D.S.Pediatric Dentistry1902048945

Verify Eugene A. Guidarelli 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 003744-1
    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

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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40% fewer Medicare Part D claims than the average physician assistant in 2024

495 Medicare Part D claims for 307 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 40 claims were for opioids.

  1. Eugene Guidarelli495
  2. Specialty average830

Most prescribed

  1. Prednisone83 claims
  2. Cephalexin63 claims
  3. Amoxicillin-Clavulanate Potass58 claims
  4. Ibuprofen35 claims
  5. Albuterol Sulfate Hfa28 claims
  6. Nitrofurantoin Mono-Macro23 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.

One hospital affiliation

  1. Ellis HospitalSchenecctady, NY · Acute Care Hospitals3 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Eugene A. Guidarelli among 15,555 physician assistant records in New York

Eugene A. Guidarelli, PA is one of 15,555 physician assistant records with a practice address in New York. 74% 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 1% of them.

  • NPI issued2006 · 1% of these records are older, 87% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 52% of these records are
  • Graduated1998 · median 2018 among the 8,158 with a school on file
  • Record last updated2008 · 48% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

89 physician assistant records list a practice address in Schenectady

They are 89 of the 2,536 NPPES records with a practice address in Schenectady, and 15,555 physician assistant records in New York.

The 8 physician assistant records with the nearest ZIP codes

  1. Dale Lawrence, PASchenectady, NY 123041922030816
  2. Ronald Paone, PASchenectady, NY 123041972535896
  3. Terry Tompkins, PASchenectady, NY 123041205876794
  4. M Tully, RPA-CSchenectady, NY 123041396879573
  5. Sovonna Yen-Mancuso, P.A.Schenectady, NY 123041407087497
  6. Christina Alexandre, PA-CSchenectady, NY 123031194430702
  7. Alison Baillargeon, PA-CSchenectady, NY 123031275983611
  8. Jessica Balarin, PA-CSchenectady, NY 123031851821102

Common questions

What is Eugene A. Guidarelli, PA's NPI number?

Eugene A. Guidarelli, PA's National Provider Identifier (NPI) is 1164452660, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Eugene A. Guidarelli, PA located?

The NPPES record lists a practice address at 600 Mcclellan St, Schenectady, NY, 12304. Phone: (518) 382-2222. Providers update this record themselves, so call before visiting.

How can I verify Eugene A. Guidarelli, PA's license?

NPPES lists New York license number 003744-1, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Eugene A. Guidarelli, PA prescribe under Medicare Part D?

In 2024, Eugene A. Guidarelli, PA had 495 Medicare Part D claims for 307 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.