NPPES file of Aug 9, 2026

Joel Mendelson, MD

Allergy & Immunology Physician · Mountainside, NJ

Joel Mendelson, MD is an allergy & immunology physician with a practice address in Mountainside, New Jersey, and NPI 1477612950, issued on Dec 8, 2006. Check the license (New Jersey 25MA04738300, 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
1477612950
Name
Joel Mendelson
Credential
MD
Primary taxonomy
Allergy & Immunology Physician 207K00000X
License number
25MA04738300 NJ
Self-reported in NPPES; status is on the state search
Practice location
1124 Springfield Ave, Mountainside, NJ 07092
Phone
(908) 233-4477
Enumerated
Dec 8, 2006
Record last updated
May 2, 2024
Medicare enrollment
Enrolled (PECOS I20040113000738); 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 1124 Springfield Ave

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

  1. Laura Andreias, M.D., M.S.Gastroenterology Physician1699122697

Verify Joel Mendelson 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 25MA04738300
    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

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70% fewer Medicare Part D claims than the average allergy & immunology physician in 2024

225 Medicare Part D claims for 42 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.

  1. Joel Mendelson225
  2. Specialty average741

Most prescribed

  1. Albuterol Sulfate Hfa46 claims
  2. Fluticasone-Salmeterol19 claims
  3. Ipratropium Bromide17 claims
  4. Montelukast Sodium16 claims
  5. Prednisone15 claims
  6. Triamcinolone Acetonide14 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: $251.04

10 payments; by number, the most common kind was food and beverage; the largest payer was Genentech USA, Inc. The 2,496 providers of this specialty with any payment received $8,321.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joel Mendelson$251.04
  2. Specialty average$8,321.81

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

Bills Medicare through 2 group practices

  1. Barnabas Health Medical Group PCWest Orange, NJ
  2. Summit Medical Group PABerkeley Heights, NJ

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

Joel Mendelson among 132 allergy & immunology physician records in New Jersey

Joel Mendelson, MD is one of 132 allergy & immunology physician records with a practice address in New Jersey. 90% 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 19% of them.

  • NPI issued2006 · 19% of these records are older, 42% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 79% of these records are
  • Graduated1982 · median 1997 among the 104 with a school on file
  • Record last updated2024 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Allergy & Immunology Physician providers in New Jersey

There are 132 allergy & immunology physician records in New Jersey.

The 8 allergy & immunology physician records with the nearest ZIP codes

  1. David Brown, M.DWestfield, NJ 070901568468825
  2. Ami Shah, MDWestfield, NJ 070901285195958
  3. Sarah Abbassi, M.D.Newark, NJ 071031306209671
  4. Susan Morrison, M.D.Belleville, NJ 071091174501886
  5. Mark Weinstein, M.D.Belleville, NJ 071091528274040
  6. Clement Maccia, M.D.Warren, NJ 070591568431351
  7. Alan Wolff, M.D.Warren, NJ 070591548210016
  8. Archana Mehta, MDParsippany, NJ 070541972764835

Common questions

What is Joel Mendelson, MD's NPI number?

Joel Mendelson, MD's National Provider Identifier (NPI) is 1477612950, issued on Dec 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joel Mendelson, MD located?

The NPPES record lists a practice address at 1124 Springfield Ave, Mountainside, NJ, 07092. Phone: (908) 233-4477. Providers update this record themselves, so call before visiting.

How can I verify Joel Mendelson, MD's license?

NPPES lists New Jersey license number 25MA04738300, 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 Joel Mendelson, MD prescribe under Medicare Part D?

In 2024, Joel Mendelson, MD had 225 Medicare Part D claims for 42 beneficiaries; the average among allergy & immunology physician prescribers was 741. 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.