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Dr. Daniel Margolis, M.D.

Radiology (Diagnostic Radiology Physician)

  • Medicare participating

At a glance

Years since graduation
18
In the NPI registry since
2006
Medicare patients seen, 2024
1,142

The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. NPIs were first issued in May 2005 and became required on claims in 2007–2008, so an early date usually means the clinician was already in practice before then. What an NPI is

Education and training

  • 2008Medical school: University of California, Geffen School of Medicine
  • 2006Registered with an NPI (national billing number; not a license date) — NPIs began in 2005, so practice likely started earlier

Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

  • Diagnostic Radiology Physician primary
    NY license 285653 · CA license A71121

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Radiology per capita by county →

Where they work

Hospitals

Medical groups

Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.

Medicare patients and services

Medicare patients, 2024
1,142
Services billed
22,028
Patients’ average age
75
Most frequent Medicare services, 2023
ServiceTimesPatients
Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml13,665122
Injection, gadobutrol, 0.1 ml11,496150
Injection, gadoxetate disodium, 1 ml17017
Ct scan of abdomen and pelvis with contrast162159
X-ray of abdomen, 1 view137123
Mri scan of pelvis before and after contrast116115
Ultrasound scan of head and neck soft tissue116116
Complete ultrasound scan behind abdominal cavity9998
Ultrasound study of arm or leg veins with compression and maneuvers9488
Mri scan of abdomen before and after contrast9090

Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.

Payments from drug and device companies

In 2025, 1 companies reported 5 payments worth $3,616 in total to this clinician.

By company
Guerbet LLC$3,616
By type
Consulting Fee$2,000
Travel and Lodging$1,290
Food and Beverage$326

What the payments were for

Largest payments other than meals
DateCompanyWhat it was forAmount
Oct 4, 2025Guerbet LLC
Oct 4, 2025
Consulting Fee
Elucirem · gadolinium-based contrast agents
$2,000
Oct 5, 2025Guerbet LLC
Oct 5, 2025
Travel and Lodging
Elucirem · gadolinium-based contrast agents · travel to Cary, NC · in-kind
$1,085
Oct 20, 2025Guerbet LLC
Oct 20, 2025
Travel and Lodging
Elucirem · gadolinium-based contrast agents · travel to Cary, NC · in-kind
$205

Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.

From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.

Who received the most in New York →

Other Radiology clinicians in New York

Sources

NPI registry (CMS NPPES, November 2026; record last updated August 14, 2023), Medicare Care Compare, Medicare Physician & Other Practitioners (2024), Medicare Part D Prescribers (2024) and Open Payments (2025). Information is self-reported or billed data and may be out of date; call before visiting.

NPI 1811939788. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.