Dr. Didier Demesmin, M.D.
What this data tells you about Dr. Demesmin
Dr. Didier Demesmin is an interventional pain medicine physician in Somerset, NJ, with 20 years of NPI registration. Based on federal Medicare data, Dr. Demesmin performed 9,382 Medicare services across 773 unique beneficiaries.
Between the years covered by Open Payments, Dr. Demesmin received a total of $33,274 from 35 pharmaceutical and/or device companies across 198 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in interventional pain medicine physician. 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. Demesmin 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 |
|---|---|---|---|
| Triamcinolone acetonide injection, 1 mg An injection of triamcinolone acetonide, a corticosteroid medication, administered in a 1 mg dose without preservatives. |
8,105 | $3 | $10 |
| 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. |
686 | $79 | $445 |
| Dexamethasone injection (steroid) An injection of dexamethasone sodium phosphate, a corticosteroid medication, administered in a dose of 1 milligram. |
131 | $0 | $25 |
| 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. |
85 | $144 | $1,036 |
| Joint injection, major joint Removal of fluid from a large joint and/or injection of medication into the joint space. |
51 | $58 | $2,159 |
| Sacral spine nerve root injection with imaging guidance An injection of anesthetic and/or steroid medication into a sacral spine nerve root. The procedure uses imaging guidance to ensure accurate placement. |
50 | $277 | $17,375 |
| Additional sacral spine nerve root injection with imaging An injection of anesthetic and/or steroid medication into an additional sacral spine nerve root level, guided by imaging. |
45 | $124 | $11,367 |
| 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. |
42 | $96 | $586 |
| Injection of anesthetic or steroid into sacroiliac joint with imaging guidance This procedure involves injecting an anesthetic or steroid medication into the joint connecting the lower spine and hip bone. Imaging guidance is used to ensure accurate placement of the injection. |
41 | $160 | $9,561 |
| Fluoroscopic guidance for needle placement Use of real-time X-ray imaging to guide the precise placement of a needle during a medical procedure. |
40 | $108 | $1,758 |
| Trigger point injection, 3 or more muscles Injection of medication into three or more specific muscle trigger points to relieve pain. |
34 | $47 | $2,917 |
| Spine facet joint injection with imaging guidance, single level An injection is administered into a single facet joint of the lower or sacral spine while using imaging guidance to ensure accurate placement. |
22 | $206 | $11,932 |
| Facet joint injection, second level, with imaging guidance An injection into a lower or sacral spine facet joint using imaging guidance for the second level treated. |
21 | $106 | $10,524 |
| Spine facet joint injection with imaging guidance, single level An injection is administered into a single facet joint of the upper or middle spine while using imaging guidance to ensure accurate placement. |
15 | $207 | $10,500 |
| Injection into lower spine canal with imaging guidance A procedure where a substance is injected into the lower part of the spinal canal. The injection is performed using imaging guidance to ensure accurate placement. |
14 | $237 | $7,700 |
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 (60%) are consulting fees, which typically reflect recognized clinical expertise sought by manufacturers. Total industry engagement is in the top 5% for interventional pain medicine physician in NJ.
Geographic Context
4.6 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. Demesmin is a mixed practice specialist, with above-average Medicare volume (top 5% in NJ), with consulting-driven industry engagement in the top 5% of NJ 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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