Dr. Daniel Ohngemach
What this data tells you about Dr. Ohngemach
Dr. Daniel Ohngemach is a vascular & interventional radiology physician in Stony Brook, NY, with 11 years of NPI registration. Based on federal Medicare data, Dr. Ohngemach performed 1,503 Medicare services across 275 unique beneficiaries.
Between the years covered by Open Payments, Dr. Ohngemach received a total of $12,439 from 8 pharmaceutical and/or device companies across 83 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in vascular & interventional radiology physician. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Ohngemach 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 |
|---|---|---|---|
| Contrast dye for imaging (iodine-based) A contrast agent containing 300-399 mg/ml of iodine used to enhance imaging studies. It is administered per milliliter to improve the visibility of internal structures. |
1,155 | $0 | $1 |
| Arterial tube insertion, additional vessels This code covers the insertion of a tube into an additional artery in the abdomen, pelvis, or leg during a procedure where other arteries have already been accessed. |
46 | $45 | $1,000 |
| Radiologist review of additional artery image A radiologist reviews an additional image of an artery. This step involves professional interpretation of the imaging data. |
40 | $42 | $103 |
| Fluoroscopic guidance for central vein access device Use of live X-ray imaging to guide the placement or removal of a central vein access device. |
40 | $16 | $150 |
| Ultrasound guidance for needle placement Use of ultrasound imaging to guide the precise placement of a needle during a medical procedure. |
35 | $27 | $235 |
| Abdominal fluid drainage with imaging guidance Removal of fluid from the abdominal cavity using imaging technology to guide the procedure. |
34 | $95 | $645 |
| Ultrasound guidance for blood vessel access Use of ultrasound imaging to help locate and access a blood vessel. This guidance assists healthcare providers in performing procedures such as inserting IV lines or drawing blood. |
29 | $13 | $150 |
| Radiologist review of CT-guided needle placement A radiologist reviews the CT imaging used to guide the placement of a needle. |
19 | $64 | $186 |
| Kidney drainage tube replacement with imaging guidance A radiologist replaces a kidney drainage tube while using imaging guidance to ensure proper placement and reviews the procedure. |
18 | $102 | $2,667 |
| Telephone medical discussion, 21-30 minutes A telephone conversation with a physician lasting between 21 and 30 minutes. This code covers the time spent discussing medical matters over the phone. |
18 | $74 | $186 |
| Chest fluid aspiration with imaging guidance This procedure involves removing fluid from the chest cavity using imaging technology to guide the needle placement. |
17 | $88 | $1,660 |
| Arterial catheter insertion, initial third order branch Insertion of a tube into an abdominal, pelvic, or leg artery, specifically targeting the initial third order branch. |
17 | $209 | $4,187 |
| Central venous port insertion A surgical procedure to place a small reservoir under the skin for long-term access to the bloodstream. The device is connected to a vein to allow for repeated medication administration or blood draws. |
13 | $319 | $3,000 |
| Core needle biopsy of lung or mediastinum A procedure to remove a small tissue sample from the lung or the space between the lungs using a needle inserted through the skin. |
11 | $139 | $800 |
| Telephone medical discussion, 11-20 minutes A phone conversation with a physician lasting between 11 and 20 minutes. |
11 | $60 | $133 |
Industry Payment Transparency
Open Payments through 2024 ↗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 (2024)
All-time payments by company (2021-2024) ›
Associated products mentioned in payments ›
Most payments (65%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
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 2024 |
| 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. Ohngemach is a mixed practice specialist, with moderate Medicare volume, with low-engagement industry engagement in the top 20% of NY peers.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
Is Dr. Ohngemach experienced with contrast dye for imaging (iodine-based)?
Does Dr. Ohngemach receive payments from pharmaceutical companies?
How do Dr. Ohngemach's costs compare to other vascular & interventional radiology physicians in Stony Brook?
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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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