NPPES file of Aug 9, 2026

Nancy A. Ellerbroek

Radiation Oncology Physician · Valencia, CA

Nancy A. Ellerbroek is a radiation oncology physician with a practice address in Valencia, California, and NPI 1821071507, issued on Nov 27, 2005. Check the license (California G53683, as entered in NPPES) on the Medical Board of California; 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
1821071507
Name
Nancy A. Ellerbroek
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
G53683 CA
Self-reported in NPPES; status is on the state search
Practice location
25751 Mcbean Pkwy, Valencia, CA 91355
Phone
(661) 259-2990
Enumerated
Nov 27, 2005
Record last updated
May 29, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(661) 259-1031
Medicaid IDs
19874545 CO
00G536830 CA
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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8 nearest radiation oncology physician records → All 735 in California → Look up another NPI →

Also registered at 25751 Mcbean Pkwy

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

  1. Tarek Bittar, MDSpecialist1902822760
  2. Kerry Clark, M.D.Internal Medicine Physician1093802365
  3. David Directo, P.T.Physical Therapist1639580558
  4. Rachel Long, MDObstetrics & Gynecology Physician1356535371
  5. Robert Magid, MFTMarriage & Family Therapist1467654228
  6. Laura Meisel, M.D.Internal Medicine Physician1851595623

Verify Nancy A. Ellerbroek in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G53683    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 California 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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Industry payments in 2024: $125.00

1 payment: food and beverage; the largest payer was Elekta, Inc. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nancy Ellerbroek$125.00
  2. Specialty average$1,897.85

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

Nancy A. Ellerbroek among 735 radiation oncology physician records in California

Nancy A. Ellerbroek is one of 735 radiation oncology physician records with a practice address in California. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 84% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 74% of these records are
  • Record last updated2015 · 55% 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 California 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 California

There are 735 radiation oncology physician records in California.

All 735 in California → Every provider in Valencia → Radiation Oncology Physician nationwide →

The 8 radiation oncology physician records with the nearest ZIP codes

  1. May Tao, MDValencia, CA 913551144204249
  2. Marc Botnick, MDTarzana, CA 913561033192844
  3. Jonathan Abelson, M.D.Thousand Oaks, CA 913601730348053
  4. Paul Miller, MDThousand Oaks, CA 913601992797526
  5. Nina Cote, MDMission Hills, CA 913451396131439
  6. Randall Scharlach, MDWoodland Hills, CA 913671477545093
  7. Zachary Zumsteg, M.D.Sylmar, CA 913421962729004
  8. Caitlin Gomez, M.D.West Hills, CA 913071619294907

Common questions

What is Nancy A. Ellerbroek's NPI number?

Nancy A. Ellerbroek's National Provider Identifier (NPI) is 1821071507, issued on Nov 27, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Nancy A. Ellerbroek located?

The NPPES record lists a practice address at 25751 Mcbean Pkwy, Valencia, CA, 91355. Phone: (661) 259-2990. Providers update this record themselves, so call before visiting.

How can I verify Nancy A. Ellerbroek's license?

NPPES lists California license number G53683, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. 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.