NPPES file of Aug 9, 2026

Alexandra N. Sigona, MA, MS, PA-C

Physician Assistant · Livingston, NJ

Alexandra N. Sigona, MA, MS, PA-C is a physician assistant with a practice address in Livingston, New Jersey, and NPI 1174004287, issued on Aug 27, 2018. Check the license (New Jersey 25MP00484000, as entered in NPPES) with the New Jersey 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
1174004287
Name
Alexandra N. Sigona
Credential
MA, MS, PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
25MP00484000 NJ
Self-reported in NPPES; status is on the state search
Practice location
94 Old Short Hills RD Ste 1, Livingston, NJ 07039
Phone
(973) 322-5000
Enumerated
Aug 27, 2018
Record last updated
Aug 25, 2025
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.
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Also registered at 94 Old Short Hills RD Ste 1

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

  1. Devleen Baksi, DOEmergency Medicine Physician1467945550
  2. Brittney Barbieri, MDEmergency Medicine Physician1285138990
  3. Aurora Dimarco, PAPhysician Assistant1417774555
  4. Christopher DodgenPhysician Assistant1780254995
  5. Marcella Garner, APNFamily Nurse Practitioner1144876855
  6. Galina Gendelman, APNFamily Nurse Practitioner1710518345

Verify Alexandra N. Sigona in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
    Search for license 25MP00484000
    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 Jersey license search

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92% fewer Medicare Part D claims than the average physician assistant in 2024

63 Medicare Part D claims for 14 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims. 21 claims were for opioids.

  1. Alexandra Sigona63
  2. Specialty average830

Most prescribed

  1. Oxycodone-Acetaminophen15 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.

Alexandra N. Sigona among 3,393 physician assistant records in New Jersey

Alexandra N. Sigona, MA, MS, PA-C is one of 3,393 physician assistant records with a practice address in New Jersey. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 44% of them.

  • NPI issued2018 · 44% of these records are older, 52% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 64% of these records are
  • Record last updated2025 · 35% 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 Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

77 physician assistant records list a practice address in Livingston

They are 77 of the 1,714 NPPES records with a practice address in Livingston, and 3,393 physician assistant records in New Jersey.

The 8 physician assistant records with the nearest ZIP codes

  1. Russell Barnhardt, PALivingston, NJ 070391710917141
  2. Rozalia Belfer, PALivingston, NJ 070391568457349
  3. Kerri Donnelly, PALivingston, NJ 070391649299983
  4. Michael Fama, PAMorristown, NJ 070391114953163
  5. Vincent Gloria, PALivingston, NJ 070391265476477
  6. Patricia Hoelzler, PALivingston, NJ 070391104928811
  7. Neal Mageean, PALivingston, NJ 070391477597144
  8. Scott Palfreyman, PALivingston, NJ 070391407876782

Common questions

What is Alexandra N. Sigona, MA, MS, PA-C's NPI number?

Alexandra N. Sigona, MA, MS, PA-C's National Provider Identifier (NPI) is 1174004287, issued on Aug 27, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Alexandra N. Sigona, MA, MS, PA-C located?

The NPPES record lists a practice address at 94 Old Short Hills RD Ste 1, Livingston, NJ, 07039. Phone: (973) 322-5000. Providers update this record themselves, so call before visiting.

How can I verify Alexandra N. Sigona, MA, MS, PA-C's license?

NPPES lists New Jersey license number 25MP00484000, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.

How much does Alexandra N. Sigona, MA, MS, PA-C prescribe under Medicare Part D?

In 2024, Alexandra N. Sigona, MA, MS, PA-C had 63 Medicare Part D claims for 14 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.