Dr. Dennis Oh, MD
What this data tells you about Dr. Oh
Dr. Dennis Oh is a neurological surgery specialist in Springfield, MA, with 19 years of NPI registration. Based on federal Medicare data, Dr. Oh performed 1,007 Medicare services across 962 unique beneficiaries.
Between the years covered by Open Payments, Dr. Oh received a total of $660 from 5 pharmaceutical and/or device companies across 7 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in neurological 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. Oh 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 |
|---|---|---|---|
| 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. |
340 | $119 | $381 |
| Spine fusion with cage or mesh device insertion A surgical procedure to fuse spine bones by inserting a cage or mesh device into the disc space. |
153 | $204 | $616 |
| Partial removal of spine bone with nerve release, 1 segment A surgical procedure involving the partial removal of a bone segment in the spine to relieve pressure on the spinal cord or nerves. This is performed on a single spinal segment. |
105 | $838 | $2,639 |
| Spinal fusion with disc removal and nerve release, 1 disc This surgery connects two or more vertebrae in the upper spine to stabilize the area. It involves removing a damaged disc and relieving pressure on the spinal cord or nerve. |
64 | $1,357 | $3,960 |
| Spinal stabilization device placement, 2-3 segments Surgical placement of a device to stabilize the front of two to three spinal segments. |
62 | $573 | $1,671 |
| Spinal fusion and bone/disc removal, 1 disc A surgical procedure involving the fusion of lower spine bones and the partial removal of a spine bone or disc through the back. |
48 | $1,243 | $3,668 |
| Placement of stabilizing device to back of 1 spine bone in neck A procedure involving the placement of a stabilizing device on the back of a single vertebra in the neck. |
48 | $598 | $1,611 |
| Partial removal of spine bone with nerve release during fusion This procedure involves removing part of the bone in a single segment of the lower spine to release the spinal cord or nerves, performed during a spinal fusion. |
47 | $204 | $587 |
| New patient office visit, complex (60-74 min) | 38 | $178 | $498 |
| Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, each additional disc | 35 | $313 | $923 |
| 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. |
34 | $93 | $250 |
| Office visit for established patient An office visit for an existing patient that may not require the healthcare professional to be present. |
17 | $18 | $53 |
| Partial removal of spine bone with nerve release, each additional segment This procedure involves the partial removal of spinal bone to relieve pressure on the spinal cord or nerves. It is billed for each additional spinal segment treated beyond the initial segment. |
16 | $166 | $463 |
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 (87%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
2.2 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. Oh is a clinical cardiology specialist, with above-average Medicare volume (top 5% in MA), with low-engagement 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. Oh experienced with new patient office visit (45-59 min)?
Does Dr. Oh receive payments from pharmaceutical companies?
How do Dr. Oh's costs compare to other neurological surgerists in Springfield?
What does Data Coverage mean?
Is this data up to date?
Explore related providers
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.
Provider corrections: Provider portal · Privacy questions: Privacy Policy · Terms: Terms of Use · Methodology: Methodology