NPPES file of Aug 9, 2026

Bruce J. Biederman, MD

Diagnostic Radiology Physician · Oceanside, CA

Bruce J. Biederman, MD is a diagnostic radiology physician with a practice address in Oceanside, California, and NPI 1790780997, issued on Jun 15, 2005. Check the license 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 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1790780997
Name
Bruce J. Biederman
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
25MA07983200 NJ
Self-reported in NPPES; status is on the state search
Practice location
4002 Vista Way, Oceanside, CA 92056
Phone
(760) 940-4055
Enumerated
Jun 15, 2005
Record last updated
Mar 23, 2023
Medicaid ID
0091693 NJ
Medicare enrollment
Enrolled (PECOS I20060123000863); accepts Medicare assignment
Medical or professional school
George Washington University School Of Medicine, 1996
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 4002 Vista Way

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

  1. Michael Alaynick, M.D.Emergency Medicine Physician1073507174
  2. Matthew Allen, PA-CMedical Physician Assistant1770963589
  3. David Antoun, MDInternal Medicine Physician1043573785
  4. Hermineh AraminCytopathology Physician1821451444
  5. Allison Auchter, MD, PHDEmergency Medical Services (Emergency Medicine) Physician1013595248
  6. Romana Bailey, M.D.Neonatal-Perinatal Medicine Physician1396023685

Verify Bruce J. Biederman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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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No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Ancillary Services OF Practice Associates PAMorristown, NJ

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

Bruce J. Biederman among 4,500 diagnostic radiology physician records in California

Bruce J. Biederman, MD is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% 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, 93% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1996 · median 2004 among the 3,130 with a school on file
  • Record last updated2023 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in California

There are 4,500 diagnostic radiology physician records in California.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Nathan Copelan, M.D.Oceanside, CA 920561578789194
  2. Steven Epner, MDOceanside, CA 920561720187800
  3. William Johnson, M.D.Oceanside, CA 920561538266481
  4. Jeffrey Miller, M.D.Oceanside, CA 920561255418448
  5. Kiran Patel, M.D.Oceanside, CA 920561245491208
  6. Kenric Aban, M.D.Oceanside, CA 920551336218023
  7. Kathryn Hartmann, M.D.Oceanside, CA 920551356766026
  8. Wayne Murphy, M.D.Camp Pendleton, CA 920551649255415

Common questions

What is Bruce J. Biederman, MD's NPI number?

Bruce J. Biederman, MD's National Provider Identifier (NPI) is 1790780997, issued on Jun 15, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Bruce J. Biederman, MD located?

The NPPES record lists a practice address at 4002 Vista Way, Oceanside, CA, 92056. Phone: (760) 940-4055. Providers update this record themselves, so call before visiting.

How can I verify Bruce J. Biederman, MD's license?

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.

What is Bruce J. Biederman, MD's MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.