Dr. Oliver Gantz, M.D.
What this data tells you about Dr. Gantz
Dr. Oliver Gantz is a student in an organized health care education/training program specialist in Thousand Oaks, CA, with 9 years of NPI registration. Based on federal Medicare data, Dr. Gantz performed 1,294 Medicare services across 1,084 unique beneficiaries.
Between the years covered by Open Payments, Dr. Gantz received a total of $2,041 from 2 pharmaceutical and/or device companies across 6 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in student in an organized health care education/training program. The majority of payments are classified as research and scientific activities (grants and research funding). Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Gantz is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
368 | $75 | $507 |
| Ear wax removal A procedure to remove impacted ear wax from the ear canal. |
202 | $38 | $330 |
| New patient office visit (30-44 min) An initial office visit for a new patient lasting between 30 and 44 minutes. This code is used when the total time spent on the date of the encounter falls within this range. |
169 | $88 | $864 |
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
152 | $107 | $858 |
| Flexible laryngoscopy A diagnostic exam of the voice box using a flexible endoscope to visualize the larynx. |
108 | $112 | $780 |
| Nasal endoscopy A diagnostic procedure that uses a thin, lighted tube to examine the inside of the nasal passages. |
85 | $165 | $1,450 |
| Microscopic ear examination A detailed visual inspection of the ear using a specialized microscope to examine the ear canal and eardrum. |
82 | $24 | $205 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
68 | $141 | $1,085 |
| Vocal cord movement assessment with endoscope This procedure uses an endoscope to examine the movement of the vocal cords. It allows for the visual assessment of how the vocal cord flaps function. |
21 | $176 | $1,200 |
| Voice and resonance analysis Evaluation of how voice and resonance are produced. This procedure assesses the mechanics of sound generation without specifying a clinical purpose. |
20 | $96 | $585 |
| Endoscopic control of nosebleed A procedure to stop bleeding in the nose using an endoscope to visualize the area. |
19 | $207 | $1,885 |
Industry Payment Transparency
Open Payments through 2020 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2020)
All-time payments by company (2018-2020) ›
Associated products mentioned in payments ›
The majority of payments (67%) are classified as scientific/research, suggesting involvement in clinical studies, grants, or innovation-related work.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2020 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Gantz is a clinical cardiology specialist, with above-average Medicare volume (top 15% in CA), with research-focused industry engagement in the top 13% of CA peers.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
Is Dr. Gantz experienced with office visit, established patient (20-29 min)?
Does Dr. Gantz receive payments from pharmaceutical companies?
How do Dr. Gantz's costs compare to other student in an organized health care education/training programs in Thousand Oaks?
What does Data Coverage mean?
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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