Dr. Regina Obrien, M.D.
What this data tells you about Dr. Obrien
Dr. Regina Obrien is a student in an organized health care education/training program specialist in Chicago, IL, with 10 years of NPI registration. Based on federal Medicare data, Dr. Obrien performed 1,419 Medicare services in 2023. These records do not provide a deduplicated patient total.
Between the years covered by Open Payments, Dr. Obrien received a total of $9,578 from 34 pharmaceutical and/or device companies across 366 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. Obrien 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 |
|---|---|---|---|
| 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. |
376 | $62 | $162 |
| Destruction of precancerous skin growths, 2-14 This procedure involves the removal or destruction of two to fourteen precancerous skin lesions. It is performed to eliminate abnormal skin cells that have the potential to develop into cancer. |
283 | $5 | $13 |
| Destruction of precancerous skin growth, 1 Removal of a single precancerous skin growth. This procedure destroys abnormal skin cells to prevent them from developing into cancer. |
162 | $41 | $142 |
| Skin biopsy, tangential A procedure to remove a sample of the first identified skin growth for laboratory examination. |
145 | $73 | $217 |
| 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. |
99 | $91 | $234 |
| 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. |
94 | $66 | $233 |
| Destruction of skin growths (warts/lesions), 1-14 This procedure involves the removal or destruction of one to fourteen skin growths. It is a minor surgical intervention performed on the skin surface. |
76 | $85 | $242 |
| Office visit, established patient (10-19 min) An office visit for an existing patient lasting 10 to 19 minutes. The visit involves medical evaluation and management of the patient's condition. |
60 | $42 | $99 |
| Additional skin growth biopsy Removal of a sample of an additional skin growth for laboratory examination. This code is used for each extra lesion biopsied during the same session. |
40 | $41 | $116 |
| 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. |
37 | $100 | $356 |
| Punch biopsy of first skin growth A small, circular piece of skin is removed from a skin growth using a circular blade. The sample is then sent to a laboratory for examination. |
19 | $100 | $272 |
| New patient office visit, 15-29 minutes An initial office visit for a new patient lasting 15 to 29 minutes. This code is used when the total time spent on the date of the encounter meets this duration threshold. |
17 | $39 | $165 |
| Destruction of cancer skin growth, 1.1-2.0 cm Removal of a cancerous skin growth on the trunk, arms, or legs that measures between 1.1 and 2.0 centimeters. |
11 | $135 | $382 |
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. Obrien is a clinical cardiology specialist, with above-average Medicare volume (top 14% in IL).
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
Is Dr. Obrien experienced with office visit, established patient (20-29 min)?
Does Dr. Obrien receive payments from pharmaceutical companies?
How do Dr. Obrien's costs compare to other student in an organized health care education/training programs in Chicago?
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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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