Christopher W. Chaisson
Clinical Social Workers (Clinical Social Worker)
Medicare and federal program status
Opted out of Medicare from September 13, 2026 through September 13, 2028. Medicare does not pay for this clinician’s services: patients with Medicare sign a private contract and pay the clinician directly.
Source: CMS Medicare Opt Out Affidavits (record last updated October 21, 2026). Opting out is a legal choice many clinicians make, often to run a cash or concierge practice.
At a glance
- In the NPI registry since
- 2018
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2018Registered with an NPI (national billing number; not a license date)
Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
- Clinical Social Worker primary
As reported to the NPI registry. To confirm a license is current, check the state medical board.