Dr. Jeff Chen, M.D.
What this data tells you about Dr. Chen
Dr. Jeff Chen is a physical medicine & rehabilitation specialist in Walnut Creek, CA, with 18 years of NPI registration. Based on federal Medicare data, Dr. Chen performed 1,449 Medicare services across 434 unique beneficiaries.
Between the years covered by Open Payments, Dr. Chen received a total of $4,067 from 28 pharmaceutical and/or device companies across 183 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in physical medicine & rehabilitation. 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. Chen 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 (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. |
844 | $111 | $231 |
| Definitive drug test using GC/MS or LC/MS A definitive drug test that identifies specific drugs and distinguishes between structural isomers using advanced methods like GC/MS or LC/MS. |
263 | $241 | $418 |
| 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. |
138 | $72 | $180 |
| Psychological test evaluation, first hour A healthcare professional evaluates the results of psychological testing during an initial one-hour session. |
60 | $93 | $139 |
| Psychological test administration, first 30 minutes A technician administers psychological or neuropsychological testing for the first 30 minutes. |
55 | $30 | $47 |
| 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. |
40 | $48 | $800 |
| 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. |
37 | $116 | $3,213 |
| Spinal injection with imaging guidance A procedure where medication is injected into the middle or upper part of the spinal canal. Imaging technology is used to guide the needle to the correct location. |
12 | $90 | $2,755 |
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 (97%) 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. Chen is a clinical cardiology specialist, with moderate Medicare volume, with low-engagement industry engagement in the top 13% of CA peers, with 18 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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