Dr. Dennis E. Der, MD

  • Los Angeles, CA
  • Interventional radiologist
NPI1386711380PAC ID1557375797
Medicare patients, 2024
19
Part D claims, 2024
46
Hospital affiliations
4
Industry payments
$21
Medical group
1
Practice address
4867 Sunset Blvd, Los Angeles, CA 90027
Practice phone
Call (323) 783-4011
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Kaiser Permanente Los Angeles Medical Center

Hospital · Los Angeles, California

See all 6 affiliations

Find Dr. Der's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Dr. Dennis E. Der is an interventional radiologist in Los Angeles, California

Dr. Der practices at Kaiser Permanente Los Angeles Medical Center in Los Angeles, California, part of Kaiser Permanente.

Dr. Der's NPI, 1386711380, was assigned on November 29, 2006. Dr. Der graduated from Mayo Clinic Alix School of Medicine - Rochester in 2000. Dr. Der holds California license A76727.

NPI and contact details
Medicare PAC ID
1557375797
NPI enumeration date
November 29, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(323) 783-4011
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
52
Medical school graduation
2000

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

Dr. Dennis E. Der practices at Kaiser Permanente Los Angeles Medical Center in Los Angeles, California

Dr. Der's primary practice is Kaiser Permanente Los Angeles Medical Center, at 4867 Sunset Blvd, Los Angeles, CA 90027 in Los Angeles County. The practice phone is (323) 783-4011.

Source: Dmand AI Affiliation Data

Dr. Dennis E. Der is affiliated with 5 sites of care and 1 medical group

Dr. Der's primary practice is Kaiser Permanente Los Angeles Medical Center in Los Angeles, California, part of Kaiser Permanente. Dr. Der is also affiliated with West Los Angeles Medical Center. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Der to 2 more hospitals and 1 group practice or clinic, each named with a free account.

See all 6 affiliations for Dr. Der

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Dennis E. Der's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Der practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Kaiser Permanente Los Angeles Medical CenterAvailable with a free account
+4 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Der practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Kaiser Permanente and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Dennis E. Der is one of 559 interventional radiologists in California

Vascular and interventional radiology is Dr. Der's primary specialty in the NPI Registry, under taxonomy code 2085R0204X. Dr. Der is board certified in interventional radiology and diagnostic radiology by the American Board of Radiology. Dr. Der is licensed in California.

Specialties and state licenses

  • Vascular and interventional radiology, CaliforniaPrimaryLicense A76727 · 2001 to 2027 · taxonomy 2085R0204X

Interventional radiologists near Dr. Der

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

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

Dr. Dennis E. Der treated 19 Medicare patients in 2024, average age 65

CMS counts 19 Medicare patients who saw Dr. Der in 2024. 63% of them have high blood pressure. Their average risk score is 1.80, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Der's median patient age at 59, with 63% women.

Medicare patients, 202419
Average age65
Average risk score1.80

Chronic conditions among Dr. Der's Medicare patients, 2024

  1. High blood pressure63%

Share of Medicare patients with each condition. A patient can have several.

Dr. Der's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 59

Patient panel by sex, all payers

  • Women63%
  • Men37%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Dennis E. Der wrote 46 Medicare Part D claims in 2024

In 2024, Dr. Der wrote 46 Medicare Part D claims for 20 patients. 96% of them were for generic drugs. CMS names the drug for 31 of them, across 2 drugs with 11 or more claims each, at $208 in total drug cost. In 2021, CMS named 16 claims across 1 drug.

Part D claims, 202446
Drugs named by CMS2
Total drug cost$208
Part D patients20

Dr. Der's Part D claims by kind of drug, 2024

  • Generic44 claims96%
  • Brand-name and other2 claims4%

Dr. Der's most prescribed drugs by claims, 2024

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

Drug classes CMS tracks in Dr. Der's Part D claims, 2024

  • Opioids35%16 of 46 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2021 to 2024

  • 2021
  • 2024
Claims for drugs CMS names
2021: 162024: 3194%

Drugs named by CMS: 2 in 2024, 1 in 2021.

See all prescribing by Dr. Der

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

How Dr. Dennis E. Der takes part in Medicare

Dr. Der accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

For MedTech and pharma teams

Find interventional radiologists like Dr. Der by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Dennis E. Der received $21 in industry payments in 2016

CMS Open Payments shows 1 general payment to Dr. Der from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Medtronic Vascular, Inc. paid the most, $21.

Companies that paid Dr. Der the most, 2016 to 2016

Share is of all general payments to this clinician.

See all payments to Dr. Der

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

Dr. Dennis E. Der graduated from Mayo Clinic Alix School of Medicine - Rochester

Dr. Der graduated from Mayo Clinic Alix School of Medicine - Rochester in 2000. Dr. Der is a member of SIR.

  1. Medical schoolMayo Clinic Alix School of Medicine - Rochester
  2. Board certified in interventional radiology and diagnostic radiologyAmerican Board of Radiology

Source: Dmand AI Professional Profile Data

Dr. Dennis E. Der accepts plans from 2 insurance carriers

Dr. Der is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • Kaiser Permanente
  • CMS Medicare

Plan types Dr. Der accepts, by number of carriers

  1. EPO1
  2. HMO1
  3. Medicare1
  4. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Dennis E. Der'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 Dr. Dennis E. Der

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

What is Dr. Dennis E. Der's NPI number?

Dr. Dennis E. Der's NPI number is 1386711380. It was assigned on November 29, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Dennis E. Der?

Dr. Dennis E. Der is an interventional radiologist in Los Angeles, California. The primary specialty in the NPI Registry is Vascular & Interventional Radiology Physician (taxonomy code 2085R0204X).

Where does Dr. Dennis E. Der practice?

Dr. Der practices at 4867 Sunset Blvd, Los Angeles, CA 90027. Dr. Der's primary practice is Kaiser Permanente Los Angeles Medical Center in Los Angeles, California, part of Kaiser Permanente. Dmand AI also links Dr. Der to 2 hospitals and 1 group practice or clinic.

What is Dr. Dennis E. Der's office phone number?

The practice phone on file for Dr. Der is (323) 783-4011.

What is Dr. Dennis E. Der's medical license number?

Dr. Der holds California license A76727.

Which hospitals is Dr. Dennis E. Der affiliated with?

Dr. Der practices at Kaiser Permanente Los Angeles Medical Center in Los Angeles, California. Dr. Der is also affiliated with West Los Angeles Medical Center. Dmand AI links Dr. Der to 2 more hospitals.

What medical group is Dr. Dennis E. Der part of?

Dr. Der is linked to Southern California Permanente Medical Group.

Does Dr. Dennis E. Der accept Medicare?

Yes. CMS lists Dr. Der as accepting Medicare assignment.

How many Medicare patients does Dr. Dennis E. Der see?

CMS counts 19 Medicare patients who saw Dr. Der in 2024, with an average age of 65.

Is Dr. Dennis E. Der board certified?

Yes. Dr. Der is board certified in interventional radiology and diagnostic radiology by the American Board of Radiology.

Show 5 more questionsShow fewer questions

Where did Dr. Dennis E. Der go to medical school?

Dr. Der graduated from Mayo Clinic Alix School of Medicine - Rochester in 2000.

What drugs does Dr. Dennis E. Der prescribe most?

In 2024 Medicare Part D data, Dr. Der's most prescribed drugs by claims were Tramadol HCl and Ondansetron HCl.

Has Dr. Dennis E. Der received payments from drug or device companies?

CMS Open Payments shows $21 in general payments to Dr. Der from 1 company from 2016 to 2016. The largest total came from Medtronic Vascular, Inc.

How long has Dr. Dennis E. Der been practicing?

Dr. Der graduated from medical school in 2000, 26 years ago.

What insurance does Dr. Dennis E. Der accept?

Dr. Der is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

Selling to vascular and interventional radiology practices?

See interventional radiologists in California by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)