Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Gengyun Wen

Individual provider Behavioral Neurology & Neuropsychiatry Physician · NPI 1215367081

Gengyun Wen practises Psychiatry in Mansfield Center, Connecticut. Qualified in 1986, 40 years ago. Practices with Mansfield Mental Health and Addiction Medicine, a 10-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Connecticut and New York.

Years since qualifying
40
Licensed in
CT, NY
In the registry since
2013
Specialties on file
2
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Practice location Address checks out

207 Storrs Rd
Mansfield Center, CT 06250-1638
Phone: (860) 942-8826
Fax: (860) 942-8830
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 189 Storrs Rd, Mansfield Center, CT 06250-1683 — (860) 456-1311

Specialties & licences

Addiction Psychiatry Physician (primary) Taxonomy 2084P0802X · Licence 54266 (CT)
Behavioral Neurology & Neuropsychiatry Physician Taxonomy 2084B0040X · Licence 280197 (NY)

Record details

NPI number1215367081
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedNovember 15, 2013
Last updated in NPPESSeptember 19, 2025
Certification dateSeptember 19, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPSYCHIATRY
Medical schoolOTHER
Graduated 1986 (40 years in practice)
Group practice Mansfield Mental Health And Addiction Medicine — 10 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients96
Services billed 467 a service is one billed item, such as a visit, a test or a procedure
Average patient age63

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $18 1 payment · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Colleagues at Mansfield Mental Health and Addiction Medicine

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 10 clinicians in the practice; 8 are shown here.