Nancy A. Ellerbroek

  • Northridge, CA
  • Radiation oncologist
NPI1821071507
Medicare services, 2018
64
Part D claims, 2016
23
Publications
17
Industry payments
$363
Affiliated sites
1
Practice address
25751 Mcbean Pkwy Ste 110 Suite 110, Valencia, CA 91355
Practice phone
Call (661) 839-1810
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Gennady Rubinstein - Radiology & Imaging - Valencia

Medical specialty practice · Valencia, California

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Nancy A. Ellerbroek is a radiation oncologist in Northridge, California

Nancy Ellerbroek practices at Gennady Rubinstein - Radiology & Imaging - Valencia in Valencia, California.

Nancy Ellerbroek's NPI, 1821071507, was assigned on November 27, 2005. Nancy Ellerbroek graduated from David Geffen School of Medicine at UCLA in 1982. Nancy Ellerbroek's California license number on file is G53683.

NPI and contact details
NPI enumeration date
November 27, 2005
NPI status
Active
Practice phone
(661) 839-1810
Professional email
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Personal email
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Mobile number
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Sex
Female
Medical school graduation
1982

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Nancy A. Ellerbroek practices in Valencia and Northridge

Nancy Ellerbroek's primary practice is Gennady Rubinstein - Radiology & Imaging - Valencia, at 25751 Mcbean Pkwy Ste 110 Suite 110, Valencia, CA 91355. The practice phone is (661) 839-1810. The NPI Registry lists Nancy Ellerbroek's practice address as 18300 W Roscoe Blvd, Northridge, CA 91325.

  • Gennady Rubinstein - Radiology & Imaging - ValenciaPrimary
    25751 Mcbean Pkwy Ste 110 Suite 110, Valencia, CA 91355Phone(661) 839-1810
  • NPI Registry address
    18300 W Roscoe Blvd, Northridge, CA 91325 · Los Angeles CountyPhone(661) 259-2990

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data

Nancy A. Ellerbroek is affiliated with 1 site of care and 2 medical groups

Nancy Ellerbroek's primary practice is Gennady Rubinstein - Radiology & Imaging - Valencia in Valencia, California. The medical group on file is Unified Health. Dmand AI also links Nancy Ellerbroek to 1 more medical group, named with a free account.

Gennady Rubinstein - Radiology & Imaging - ValenciaMedical specialty practice · Valencia, CaliforniaPrimary
Unified HealthRadiology and imaging group, Valencia, CA1 medical groupName with a free account
See all 3 affiliations for Nancy Ellerbroek

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Nancy A. Ellerbroek's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Nancy Ellerbroek practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Gennady Rubinstein - Radiology & Imaging - ValenciaAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Nancy A. Ellerbroek is one of 685 radiation oncologists in California

Radiation oncology is Nancy Ellerbroek's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Nancy Ellerbroek is board certified in radiation oncology by the American Board of Radiology. Dmand AI has Nancy Ellerbroek's licenses on file in 4 states: California, Colorado, Texas and New Mexico.

Specialties and state licenses

  • Radiation oncology, CaliforniaPrimaryLicense G53683 · 1984 to 2025 · taxonomy 2085R0001X
  • Colorado license2001 to 2007
  • Texas license1987 to 2006
  • New Mexico license2001 to 2005

Radiation oncologists near Nancy Ellerbroek

Counts of radiation oncologists with a Dmand AI profile, by place and practice. Each opens the list.

685radiation oncologists in California
2radiation oncologists in Northridge

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Nancy A. Ellerbroek billed Medicare for 64 services in 2018

CMS data shows 64 Medicare services from Nancy Ellerbroek across 3 procedure codes in 2018. Medicare paid $13,432 for them. Every service was in an office.

Medicare services, 201864
Paid by Medicare$13,432
Procedure codes3

Nancy Ellerbroek's Medicare services by type, 2017 to 2018

  • 2017
  • 2018
Other services
2017: 1062018: 3864%
Imaging
2017: 1082018: 2676%

Nancy Ellerbroek compared with the California median for radiation oncologists, 2018

  • Nancy Ellerbroek
  • California median
Medicare services
64vs 1,44496% below
Part D claims
23vs 3228% below

Medians across 633 radiation oncologists in California with Dmand AI profiles that report each measure.

Nancy Ellerbroek's most billed Medicare procedure codes, 2018

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Nancy A. Ellerbroek wrote 23 Medicare Part D claims in 2016

In 2016, Nancy Ellerbroek wrote 23 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $711 in total drug cost.

Part D claims, 201623
Drugs named by CMS1
Total drug cost$711

Nancy Ellerbroek's most prescribed drugs by claims, 2016

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

See all prescribing by Nancy Ellerbroek

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

For MedTech and pharma teams

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Nancy A. Ellerbroek has 17 publications on record

Dmand AI links 17 papers to Nancy Ellerbroek. The most frequent topics are Breast Neoplasms, Antineoplastic Combined Chemotherapy Protocols and Carcinoma. Nancy Ellerbroek has published most often in Int J Radiat Oncol Biol Phys. Nancy Ellerbroek's most frequent co-authors are Ritsuko U. Komaki, MD, Marsha Dianne Mcneese, MD and Jack A. Roth, MD.

Papers17

Topics Nancy Ellerbroek writes about most

  • Breast Neoplasms
  • Antineoplastic Combined Chemotherapy Protocols
  • Carcinoma
  • Lung Neoplasms
  • Radiotherapy Dosage
  • Adenocarcinoma
  • Cisplatin
  • Cyclophosphamide

Nancy Ellerbroek's most frequent co-authors

Recent publications by Nancy Ellerbroek

See all 17 publications and co-authors

See who Nancy Ellerbroek researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Nancy Ellerbroek works with, so you can find a warm path to the right radiation oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Nancy A. Ellerbroek received $363 in industry payments from 2016 to 2024

CMS Open Payments shows 8 general payments to Nancy Ellerbroek from 4 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $128.

General payments to Nancy Ellerbroek by program year, 2016 to 2024

Companies that paid Nancy Ellerbroek the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Nancy Ellerbroek

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Nancy A. Ellerbroek has 1 award and honors on record

Dmand AI lists 1 award for Nancy Ellerbroek, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Nancy Ellerbroek

  1. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Nancy A. Ellerbroek graduated from David Geffen School of Medicine at UCLA

Nancy Ellerbroek graduated from David Geffen School of Medicine at UCLA in 1982.

  1. Medical schoolDavid Geffen School of Medicine at UCLA
  2. Board certified in radiation oncologyAmerican Board of Radiology

Source: Dmand AI Professional Profile Data

Nancy A. Ellerbroek accepts plans from 5 insurance carriers

Nancy Ellerbroek is in network with 5 carriers, including LA Care, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.

  • LA Care
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Molina
  • Blue Cross Blue Shield of Michigan

Plan types Nancy Ellerbroek accepts, by number of carriers

  1. Medicare4
  2. PPO3
  3. HMO2
  4. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Nancy A. Ellerbroek's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Nancy A. Ellerbroek

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Nancy A. Ellerbroek's NPI number?

Nancy A. Ellerbroek's NPI number is 1821071507. It was assigned on November 27, 2005, and it is active in the NPI Registry.

What does Nancy A. Ellerbroek specialize in?

Nancy A. Ellerbroek is a radiation oncologist in Northridge, California. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).

Where does Nancy A. Ellerbroek practice?

Nancy Ellerbroek practices at 25751 Mcbean Pkwy Ste 110 Suite 110, Valencia, CA 91355. Nancy Ellerbroek also practices at 18300 W Roscoe Blvd, Northridge, CA 91325. Nancy Ellerbroek's primary practice is Gennady Rubinstein - Radiology & Imaging - Valencia in Valencia, California. Dmand AI also links Nancy Ellerbroek to 1 medical group.

What is Nancy A. Ellerbroek's office phone number?

The practice phone on file for Nancy Ellerbroek is (661) 839-1810.

What is Nancy A. Ellerbroek's medical license number?

Nancy Ellerbroek's California license number on file is G53683, one of the licenses on file in 4 states.

Which states has Nancy A. Ellerbroek been licensed in?

Dmand AI has state licenses on file for Nancy Ellerbroek in California (1984 to 2025), Colorado (2001 to 2007), Texas (1987 to 2006) and New Mexico (2001 to 2005).

What medical group is Nancy A. Ellerbroek part of?

Nancy Ellerbroek is linked to Unified Health. Dmand AI links Nancy Ellerbroek to 1 more medical group.

Does Nancy A. Ellerbroek accept Medicare?

Yes. CMS data shows Nancy Ellerbroek billed Medicare for 64 services in 2018.

Is Nancy A. Ellerbroek board certified?

Yes. Nancy Ellerbroek is board certified in radiation oncology by the American Board of Radiology.

What services does Nancy A. Ellerbroek bill to Medicare?

In 2018, Nancy Ellerbroek's most billed Medicare services were radiation oncology (77014), medicare service (G6015) and medicare service (G6012).

Show 7 more questionsShow fewer questions

Where did Nancy A. Ellerbroek go to medical school?

Nancy Ellerbroek graduated from David Geffen School of Medicine at UCLA in 1982.

What drugs does Nancy A. Ellerbroek prescribe most?

In 2016 Medicare Part D data, Nancy Ellerbroek's most prescribed drugs by claims were Tamsulosin HCl.

Has Nancy A. Ellerbroek received payments from drug or device companies?

CMS Open Payments shows $363 in general payments to Nancy Ellerbroek from 4 companies from 2016 to 2024. The largest total came from Amgen Inc.

How long has Nancy A. Ellerbroek been practicing?

Nancy Ellerbroek graduated from medical school in 1982, 44 years ago.

Does Nancy A. Ellerbroek do research?

Dmand AI links 17 publications to Nancy Ellerbroek.

Who does Nancy A. Ellerbroek publish with?

Nancy Ellerbroek's most frequent co-authors are Ritsuko U. Komaki, MD (5 shared papers), Marsha Dianne Mcneese, MD (5 shared papers) and Jack A. Roth, MD (3 shared papers).

What insurance does Nancy A. Ellerbroek accept?

Nancy Ellerbroek is in network with 5 carriers, including LA Care, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.

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