MR. WILLIAM J. SERAFIN LCSW
NPI 1114087756
Social Worker in Cohoes, NY
About Mr. William J. Serafin Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. WILLIAM J. SERAFIN LCSW (NPI 1114087756) is an individual social worker in Cohoes, New York, licensed in New York (PR003511-1) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1967).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mr. William J. Serafin Lcsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show William Serafin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Albany, NY 12206
- Reassigned Medicare billing, New York enrollment
- 7 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.
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 Serafin's NPI number?
The NPI number for William Serafin is 1114087756. It was assigned to this individual provider in the NPPES registry on December 12, 2006.
Where is William Serafin located?
William Serafin practices at 525 Columbia St, Cohoes, NY 12047. The listed phone number is (518) 785-0233.
What is William Serafin's specialty?
The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.
Is William Serafin enrolled in Medicare?
Yes. William Serafin is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for William Serafin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Serafin reassigns Medicare benefits to Koinonia Primary Care Inc (Albany, NY). 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 Serafin'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 Serafin was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Mr. William J. Serafin, LCSW · NPI 1114087756
Social Worker provider in Cohoes, New York. Individual provider, active in the CMS NPPES registry since December 12, 2006.
## Identity
- **NPI:** 1114087756 (Entity type: Individual)
- **Enumerated:** December 12, 2006
- **Primary specialty:** Social Worker · taxonomy 104100000X
- **State license:** PR003511-1 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 525 COLUMBIA ST, Cohoes, NY 12047-3806
- **Phone:** (518) 785-0233
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Koinonia Primary Care Inc (NPI 1023389533, Albany, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1967
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Other PR003511-1 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1114087756) · Data from the CMS NPPES public registry.