Update this page – If you believe information in your NPPES record is inaccurate, or if you wish to update or deactivate your NPI, you can do so directly with CMS.
Organization
NEXTGENMED LTD
Active
Organization
NEXTGENMED LTD
Active
Organization subpart
No
Provider details
NPI number
Authorized official
SAMUEL SLEZEK (CEO)
(413) 461-6990
Entity
Organization
Contact information
Practice address
125 W 21ST ST APT 11C, NEW YORK, NY 10011-3242
(413) 461-6990
Mailing address
125 W 21ST ST APT 11C, NEW YORK, NY 10011-3242
(413) 461-6990
Taxonomy
Speciality
Code
Description
License number
State
225100000X
Physical Therapist
Primary
—
—
Other
Enumeration date
05/01/2026
Last updated
05/01/2026
About Stedi
Stedi is the only programmable healthcare clearinghouse. You can use Stedi's APIs to process eligibility checks, claims, remits, and more.
Sign up