Dr. James Chen, M.D.
What this data tells you about Dr. Chen
Dr. James Chen is an emergency medicine specialist in Dartmouth, MA, with 20 years of NPI registration. Based on federal Medicare data, Dr. Chen performed 1,984 Medicare services across 1,860 unique beneficiaries.
Between the years covered by Open Payments, Dr. Chen received a total of $229 from 5 pharmaceutical and/or device companies across 13 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in emergency medicine. 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. |
683 | $94 | $334 |
| SARS-CoV-2 immunoassay test A laboratory test using immunoassay techniques to detect the presence of severe acute respiratory syndrome coronavirus. |
141 | $34 | $150 |
| Blood draw (venipuncture) Insertion of a needle into a vein to collect a blood sample. |
134 | $8 | $20 |
| Complete blood count (CBC) with differential An automated laboratory test that measures the levels of red blood cells, white blood cells, and platelets in the blood, including a breakdown of the different types of white blood cells. |
134 | $8 | $25 |
| Comprehensive metabolic blood panel A blood test that measures a group of chemicals, including glucose, electrolytes, and kidney and liver function markers. |
125 | $10 | $40 |
| Automated urinalysis An automated laboratory test performed on a urine sample to analyze its chemical and physical properties. The procedure uses machinery to detect various substances and cells within the urine. |
114 | $2 | $30 |
| Electrocardiogram (EKG), 12-lead A standard heart rhythm test using at least 12 leads to record electrical activity. A healthcare provider interprets the results and provides a written report. |
92 | $11 | $71 |
| Office visit, established patient, complex (40-54 min) An office or outpatient visit for an existing patient lasting between 40 and 54 minutes. This level of service is determined by the total time spent on the date of the encounter. |
87 | $139 | $448 |
| Influenza virus detection test A laboratory test that uses an immunoassay technique to detect the presence of the influenza virus through direct visual observation. |
57 | $16 | $50 |
| 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. |
52 | $60 | $224 |
| Amylase enzyme level test A blood test that measures the amount of amylase, an enzyme produced by the pancreas and salivary glands, to help evaluate pancreatic health. |
44 | $6 | $20 |
| Vitamin B-12 level test A blood test that measures the amount of vitamin B-12 in your body. |
39 | $15 | $49 |
| Strep A nucleic acid amplification test A laboratory test that uses nucleic acid amplification to detect the presence of Group A Streptococcus bacteria. This method identifies the genetic material of the bacteria to determine if an infection is present. |
32 | $34 | $130 |
| Normal saline infusion, 1000 cc Administration of 1000 cc of normal saline solution into a vein. This procedure involves the intravenous delivery of a sterile saltwater solution. |
30 | $2 | $20 |
| Thyroid stimulating hormone (TSH) test A blood test that measures the level of thyroid stimulating hormone to evaluate thyroid function. |
28 | $16 | $50 |
| Sed rate test (inflammation marker) This automated test measures how quickly red blood cells settle in a tube to detect inflammation in the body. |
28 | $3 | $40 |
| Intravenous drug injection A procedure involving the administration of a medication or substance directly into a vein. |
28 | $30 | $198 |
| Intravenous hydration infusion, 31-60 minutes Administration of fluids into a vein to maintain hydration. This procedure involves an infusion lasting between 31 and 60 minutes. |
23 | $27 | $202 |
| Ear wax removal A procedure to remove impacted ear wax from the ear canal. |
22 | $33 | $161 |
| Methylprednisolone injection, up to 125 mg An injection of methylprednisolone sodium succinate, a corticosteroid medication, with a dosage of up to 125 mg. |
20 | $4 | $20 |
| Vaccine administration The process of giving a vaccine to a patient. This code covers the administration service only and does not include the cost of the vaccine itself. |
17 | $16 | $72 |
| DTaP vaccine (ages 7+) A vaccine that protects against diphtheria, tetanus, and pertussis (whooping cough) for individuals aged 7 years and older. |
17 | $28 | $100 |
| Cardiac enzyme level (CK-MB) test A blood test that measures the total level of creatine kinase, specifically the cardiac enzyme fraction, to help evaluate heart muscle damage. |
14 | $6 | $20 |
| Inhalation treatment for airway obstruction or sputum production A treatment involving the inhalation of medication to help clear airway obstructions or reduce sputum production. |
12 | $7 | $53 |
| Influenza virus nucleic acid detection test A laboratory test that uses nucleic acid technology to detect multiple types of influenza virus. |
11 | $94 | $273 |
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 (100%) 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 above-average Medicare volume (top 2% in MA), with low-engagement industry engagement, 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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