Dr. David Ondrula, MD
What this data tells you about Dr. Ondrula
Dr. David Ondrula is a colon & rectal surgery specialist in Barrington, IL, with 20 years of NPI registration. Based on federal Medicare data, Dr. Ondrula performed 460 Medicare services in 2023. These records do not provide a deduplicated patient total.
Between the years covered by Open Payments, Dr. Ondrula received a total of $87,503 from 11 pharmaceutical and/or device companies across 125 payment records. A record can group multiple payments. These transfers are publicly reported through CMS Open Payments. Disclosure alone does not establish their effect on care. A reliable breakdown by payment category is not available in this snapshot. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Ondrula 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 — 2023
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 |
|---|---|---|---|
| Hospital follow-up visit, high complexity Subsequent hospital inpatient or observation care for an existing patient involving high-level medical decision making, with at least 50 minutes total time on the date of the encounter. |
77 | $96 | $268 |
| 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. |
57 | $96 | $340 |
| External hemorrhoid removal by rubber banding A procedure to remove external hemorrhoids using rubber bands to cut off blood supply. The affected tissue is tied off and eventually falls off. |
49 | $239 | $793 |
| Hospital follow-up visit, moderate complexity Follow-up hospital visit for an existing patient involving moderate medical decision making. The visit requires at least 35 minutes of time spent on the date of service. |
46 | $62 | $186 |
| 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. |
44 | $65 | $242 |
| 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. |
33 | $70 | $301 |
| Initial hospital admission, high complexity Initial hospital inpatient or observation care for a new patient involving high-level medical decision making, with at least 75 minutes total time on the date of the encounter. |
27 | $141 | $519 |
| Office visit, established patient, complex (40-54 min) An office or outpatient visit for an existing patient lasting between 40 and 54 minutes. This level of service is determined by the total time spent on the date of the encounter. |
26 | $135 | $480 |
| New patient office visit, complex (60-74 min) | 18 | $163 | $591 |
| Vein injection to assess skin graft or flap blood flow An agent is injected into a vein to evaluate the blood flow within a skin graft or flap. |
13 | $45 | $292 |
| Colonoscopy A procedure to examine the rectum and lower large bowel using a flexible tube with a camera. |
13 | $28 | $358 |
| Colonoscopy A diagnostic exam of the large bowel using a flexible endoscope to visualize the interior of the colon. |
12 | $114 | $948 |
| 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. |
12 | $131 | $447 |
| Appendix removal during other major procedure Surgical removal of the appendix performed as part of another major surgical procedure. |
11 | $66 | $217 |
| Colon polyp removal with endoscope and cautery This procedure removes polyps or growths from the large bowel using a flexible tube with a camera. Electrical cautery is used to stop bleeding during the removal. |
11 | $180 | $1,379 |
| Laparoscopic gallbladder removal Surgical removal of the gallbladder using a small camera and instruments inserted through tiny incisions in the abdomen. |
11 | $449 | $1,638 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment categories are unavailable while the source breakdown is being rebuilt. Company and year totals do not identify how much belongs to each category.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
All-time payments by company (2018-2024) ›
Associated products mentioned in payments ›
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | NPPES snapshot; verify current record |
| Medicare Enrollment | ✓ PECOS | PECOS snapshot |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not included | 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. Ondrula is a clinical cardiology specialist, with above-average Medicare volume (top 9% in IL), with 20 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
Is Dr. Ondrula experienced with hospital follow-up visit, high complexity?
Does Dr. Ondrula receive payments from pharmaceutical companies?
How do Dr. Ondrula's costs compare to other colon & rectal surgerists in Barrington?
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This page combines public CMS records with calculated summaries and explanatory procedure labels. These transformations are not verbatim federal records. Sources: 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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