NPPES file of Aug 9, 2026

Joseph Baron, M.D.

Radiation Oncology Physician · Toms River, NJ

Joseph Baron, M.D. is a radiation oncology physician with a practice address in Toms River, New Jersey, and NPI 1851572481, issued on Nov 26, 2007. Check the license (New Jersey 25MA07245800, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1851572481
Name
Joseph Baron
Credential
M.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License numbers
25MA07245800 NJ
37511 CT
211184-1 NY
Self-reported in NPPES; status is on the state search
Practice location
512 Lakehurst RD, Toms River, NJ 08755
Phone
(732) 240-0053
Enumerated
Nov 26, 2007
Record last updated
Jun 11, 2025
Fax
(732) 240-9360
Medicaid ID
02098373 NY
Medicare enrollment
Enrolled (PECOS I20050721000043); accepts Medicare assignment
Medical or professional school
Rutgers New Jersey Medical School, 1992
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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8 nearest radiation oncology physician records → All 153 in New Jersey → Look up another NPI →

Also registered at 512 Lakehurst RD

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

  1. Young Bae, M.D.Radiation Oncology Physician1124021423

Verify Joseph Baron 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 25MA07245800    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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Bills Medicare through 2 group practices

  1. Practice Associates Medical GroupPompton Plains, 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).

Joseph Baron among 153 radiation oncology physician records in New Jersey

Joseph Baron, M.D. is one of 153 radiation oncology physician records with a practice address in New Jersey. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 56% of them.

  • NPI issued2007 · 56% of these records are older, 35% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated1992 · median 2001 among the 114 with a school on file
  • Record last updated2025 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in New Jersey

There are 153 radiation oncology physician records in New Jersey.

All 153 in New Jersey → Every provider in Toms River → Radiation Oncology Physician nationwide →

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Young Bae, M.D.Toms River, NJ 087551124021423
  2. Bryan Eggert, MDToms River, NJ 087551538459995
  3. Rajesh Iyer, MDToms River, NJ 087551558317149
  4. Aruna Patel, MDToms River, NJ 087551225077381
  5. Nathan Kaufman, M.DBrick, NJ 087241275537144
  6. Douglas Miller, M.D.Brick, NJ 087241013034800
  7. Michael Marchese, M.D.Lakewood, NJ 087011790768125
  8. Mark Macher, M.D.Edison, NJ 088201184664187

Common questions

What is Joseph Baron, M.D.'s NPI number?

Joseph Baron, M.D.'s National Provider Identifier (NPI) is 1851572481, issued on Nov 26, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Baron, M.D. located?

The NPPES record lists a practice address at 512 Lakehurst RD, Toms River, NJ, 08755. Phone: (732) 240-0053. Providers update this record themselves, so call before visiting.

How can I verify Joseph Baron, M.D.'s license?

NPPES lists New Jersey license number 25MA07245800, 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.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.