WILLIAM POTOCNIK OTR/L
NPI 1174364046
Occupational Therapist in Worcester, MA
About William Potocnik Otr/l NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM POTOCNIK OTR/L (NPI 1174364046) is an individual occupational therapist in Worcester, Massachusetts, licensed in Massachusetts (OTL15380) and active in the NPI registry since June 2024. He is a graduate of Other (1997).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
William Potocnik Otr/l is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show William Potocnik reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Worcester, MA 01606
- Reassigned Medicare billing, Massachusetts enrollment
- 12 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is William Potocnik's NPI number?
The NPI number for William Potocnik is 1174364046. It was assigned to this individual provider in the NPPES registry on June 4, 2024. The provider is also known as William Potocnik Juenemann Otr/L.
Where is William Potocnik located?
William Potocnik practices at 799 W Boylston St Ste 7, Worcester, MA 01606. The listed phone number is (617) 738-5110.
What is William Potocnik's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is William Potocnik enrolled in Medicare?
Yes. William Potocnik is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for William Potocnik's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Potocnik reassigns Medicare benefits to Mab Community Services, Inc (Worcester, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Potocnik's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for William Potocnik was last updated on August 3, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.