Dr. John Park, M.D.
What this data tells you about Dr. Park
Dr. John Park is a colon & rectal surgery specialist in Park Ridge, IL, with 20 years of NPI registration. Based on federal Medicare data, Dr. Park performed 920 Medicare services across 733 unique beneficiaries.
Between the years covered by Open Payments, Dr. Park received a total of $14,750 from 29 pharmaceutical and/or device companies across 111 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in colon & rectal surgery. 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. Park 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. |
321 | $73 | $150 |
| 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. |
99 | $136 | $225 |
| Anoscopy A diagnostic exam of the anus using a thin, lighted tube called an endoscope to look inside. |
76 | $102 | $350 |
| 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. |
76 | $67 | $150 |
| Initial hospital admission, moderate complexity Initial hospital inpatient or observation care for a new patient involving moderate-level medical decision making, with at least 55 minutes total time on the date of the encounter. |
46 | $111 | $225 |
| 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. |
40 | $89 | $200 |
| Colonoscopy A diagnostic exam of the lower portion of the large bowel using a flexible endoscope. |
31 | $31 | $450 |
| Electronic analysis of implanted neurostimulator with complex programming This procedure involves the electronic evaluation of an implanted neurostimulator generator. It includes complex programming of spinal cord or peripheral nerve stimulators. |
29 | $47 | $250 |
| Colonoscopy with biopsy A procedure to collect tissue samples from the large intestine using a flexible tube with a camera. The samples are examined to check for abnormalities or disease. |
26 | $111 | $1,359 |
| Colon polyp removal with endoscopic snare This procedure removes polyps or growths from the large bowel using a flexible tube with a camera and a wire loop tool. The snare is used to cut off the growths during the examination. |
26 | $231 | $1,850 |
| 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. |
23 | $245 | $451 |
| Hemorrhoid injection A procedure involving the injection of a substance into a hemorrhoid. The specific purpose or agent is not defined in the provided description. |
22 | $171 | $226 |
| Rectal and anal tone and sensation test A physical examination to assess muscle tone and sensory function in the rectum and anus. |
20 | $36 | $424 |
| Rectal sensitivity and function study A test to evaluate the sensitivity and functional performance of the rectum. |
20 | $66 | $424 |
| Partial removal of large bowel and reattachment to rectum using an endoscope This procedure involves the endoscopic removal of a portion of the large bowel and the reattachment of the remaining section to the rectum. |
17 | $1,544 | $7,150 |
| Colonoscopy A diagnostic exam of the large bowel using a flexible endoscope to visualize the interior of the colon. |
17 | $133 | $1,350 |
| Transrectal ultrasound of the pelvis An ultrasound imaging procedure where a probe is inserted into the rectum to visualize pelvic structures. |
17 | $25 | $171 |
| Needle EMG with jitter and fiber density testing A test that uses a needle electrode to measure the electrical activity of muscles. It specifically analyzes jitter, blocking, and fiber density to assess nerve and muscle function. |
14 | $120 | $545 |
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 (2018-2024) ›
Associated products mentioned in payments ›
Most payments (64%) 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. Park is a clinical cardiology specialist, with above-average Medicare volume (top 2% in IL), with low-engagement industry engagement in the top 17% of IL peers, 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
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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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