NPPES file of Aug 9, 2026

Leon Pirak, MD

Anesthesiology Physician · Elizabeth, NJ

Leon Pirak, MD is an anesthesiology physician with a practice address in Elizabeth, New Jersey, and NPI 1134190325, issued on Jan 27, 2006. Check the license (New Jersey 04268500, as entered in NPPES) on the New Jersey State Board of Medical Examiners; 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
1134190325
Name
Leon Pirak
Credential
MD
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
04268500 NJ
Self-reported in NPPES; status is on the state search
Practice location
225 Williamson Street, Elizabeth, NJ 07207
Phone
(908) 944-5204
Enumerated
Jan 27, 2006
Record last updated
Apr 25, 2008 (not updated in 18 years: call before relying on the address or phone)
Medicaid ID
6268706 NJ
Medicare enrollment
Enrolled (PECOS I20100608000233); 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 225 Williamson Street

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

  1. Kathleen Nepomuceno, MDAnesthesiology Physician1861463135

Verify Leon Pirak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
    Search for license 04268500
    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
Open the New Jersey 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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92% fewer Medicare Part D claims than the average anesthesiology physician in 2024

31 Medicare Part D claims, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D.

  1. Leon Pirak31
  2. Specialty average402

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: $50.52

3 payments; by number, the most common kind was food and beverage; the largest payer was Cumberland Pharmaceuticals, Inc. The 17,774 providers of this specialty with any payment received $669.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Leon Pirak$50.52
  2. Specialty average$669.59

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. Rwjbh Observation Associates LLCElizabeth, NJ

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

Leon Pirak among 1,714 anesthesiology physician records in New Jersey

Leon Pirak, MD is one of 1,714 anesthesiology physician records with a practice address in New Jersey. 76% 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 16% of them.

  • NPI issued2006 · 16% of these records are older, 44% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1981 · median 2002 among the 1,178 with a school on file
  • Record last updated2008 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

12 anesthesiology physician records list a practice address in Elizabeth

They are 12 of the 1,107 NPPES records with a practice address in Elizabeth, and 1,714 anesthesiology physician records in New Jersey.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Kathleen Nepomuceno, MDElizabeth, NJ 072071861463135
  2. Lopa Shah, MDElizabeth, NJ 072061801893292
  3. Abir Adam, MDElizabeth, NJ 072021326018003
  4. Steven Carvalho, M.D.Elizabeth, NJ 072021053608844
  5. Jessica De Lamota, DOElizabeth, NJ 072021780898585
  6. Yasmeen Khan, MDElizabeth, NJ 072021295761294
  7. Jose Otero, M.DElizabeth, NJ 072021194099887
  8. Kruti Parikh, M.D.Elizabeth, NJ 072021558896043

Common questions

What is Leon Pirak, MD's NPI number?

Leon Pirak, MD's National Provider Identifier (NPI) is 1134190325, issued on Jan 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Leon Pirak, MD located?

The NPPES record lists a practice address at 225 Williamson Street, Elizabeth, NJ, 07207. Phone: (908) 944-5204. Providers update this record themselves, so call before visiting.

How can I verify Leon Pirak, MD's license?

NPPES lists New Jersey license number 04268500, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Leon Pirak, MD prescribe under Medicare Part D?

In 2024, Leon Pirak, MD had 31 Medicare Part D claims; the average among anesthesiology physician prescribers was 402. 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.