Dr. Marie O'Brien, D.O.
What this data tells you about Dr. O'Brien
Dr. Marie O'Brien is a rheumatology specialist in Allentown, PA, with 19 years of NPI registration. Based on federal Medicare data, Dr. O'Brien performed 16,621 Medicare services across 284 unique beneficiaries.
Between the years covered by Open Payments, Dr. O'Brien received a total of $6,173 from 23 pharmaceutical and/or device companies across 92 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in rheumatology. The majority of payments are for consulting, which typically reflects recognized clinical expertise sought by manufacturers. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. O'Brien 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 |
|---|---|---|---|
| Certolizumab injection (Cimzia) An injection of certolizumab pegol administered under the direct supervision of a physician. |
13,200 | $4 | $21 |
| Denosumab injection (Prolia/Xgeva) | 3,120 | $18 | $48 |
| Non-hormonal chemotherapy injection This procedure involves administering non-hormonal anti-neoplastic chemotherapy medication via injection into the skin or muscle tissue. |
66 | $47 | $145 |
| Drug injection, under skin or into muscle A procedure involving the administration of a medication or substance via injection into the subcutaneous tissue or muscle. |
63 | $9 | $65 |
| 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. |
63 | $73 | $299 |
| New patient office visit, complex (60-74 min) | 32 | $146 | $396 |
| Joint injection, major joint Removal of fluid from a large joint and/or injection of medication into the joint space. |
28 | $38 | $186 |
| 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. |
21 | $93 | $270 |
| 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. |
16 | $62 | $172 |
| Telephone or electronic consultation, at least 5 minutes A remote assessment and management service provided by a consulting physician via telephone, internet, or electronic health record. The service requires at least 5 minutes of time and includes a written report. |
12 | $28 | $75 |
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 ›
The majority of payments (57%) are consulting fees, which typically reflect recognized clinical expertise sought by manufacturers.
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. O'Brien is a mixed practice specialist, with moderate Medicare volume, with consulting-driven industry engagement, with 19 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. O'Brien experienced with certolizumab injection (cimzia)?
Does Dr. O'Brien receive payments from pharmaceutical companies?
How do Dr. O'Brien's costs compare to other rheumatologists in Allentown?
What does Data Coverage mean?
Is this data up to date?
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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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