NPPES file of Aug 9, 2026

Helen L. Sidebotham, MD

Radiation Oncology Physician · Basking Ridge, NJ

Helen L. Sidebotham, MD is a radiation oncology physician with a practice address in Basking Ridge, New Jersey, and NPI 1245210491, issued on Jan 21, 2006. Check the license (New Jersey 066126, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245210491
Name
Helen L. Sidebotham
Credential
MD
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
066126 NJ
Self-reported in NPPES; status is on the state search
Practice location
136 Mountain View Blvd, Basking Ridge, NJ 07920
Phone
(908) 542-3000
Enumerated
Jan 21, 2006
Record last updated
Oct 18, 2010 (not updated in 16 years: call before relying on the address or phone)
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 136 Mountain View Blvd

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

  1. Linda Aboody, MDDiagnostic Radiology Physician1821177312
  2. Karen Borofsky, MDRadiation Oncology Physician1710991526
  3. Deborah Capko, MDSurgical Oncology Physician1447284450
  4. Ephraim Casper, MDMedical Oncology Physician1174503320
  5. Donna McGuffy, BS RPH BCOP PICOncology Pharmacist1639446370
  6. Karen Perialis, RN, MSN, ANP -CAdult Health Nurse Practitioner1336435692

Verify Helen L. Sidebotham 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 066126
    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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Helen L. Sidebotham among 153 radiation oncology physician records in New Jersey

Helen L. Sidebotham, MD 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 not. Its NPI, issued in 2006, is newer than 18% of them.

  • NPI issued2006 · 18% of these records are older, 44% newer
  • In a Medicare fileNo · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 75% of these records are
  • Record last updated2010 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Karen Borofsky, MDBasking Ridge, NJ 079201710991526
  2. Amulya Yalamanchili, MDBasking Ridge, NJ 079201225584006
  3. Molly GabelBerkeley Heights, NJ 079221518900117
  4. Sonam Sharma, M.D.Berkeley Heights, NJ 079221487916193
  5. Andrew Wong, M.D.Florham Park, NJ 079321568725901
  6. Roy Cabrera, M.D.Summit, NJ 079011104814060
  7. Joana Emmolo, MDSummit, NJ 079011073825543
  8. Peter Ho, M.D., FACRSummit, NJ 079011932164910

Common questions

What is Helen L. Sidebotham, MD's NPI number?

Helen L. Sidebotham, MD's National Provider Identifier (NPI) is 1245210491, issued on Jan 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Helen L. Sidebotham, MD located?

The NPPES record lists a practice address at 136 Mountain View Blvd, Basking Ridge, NJ, 07920. Phone: (908) 542-3000. Providers update this record themselves, so call before visiting.

How can I verify Helen L. Sidebotham, MD's license?

NPPES lists New Jersey license number 066126, 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. 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.