LAWRENCE A OPISSO DC
NPI 1487711941
Chiropractor in West Islip, NY
About Lawrence A Opisso Dc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LAWRENCE A OPISSO DC (NPI 1487711941) is an individual chiropractor in West Islip, New York, licensed in New York (X4173) and active in the NPI registry since January 2007.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Lawrence A Opisso Dc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Lawrence Opisso reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Smithtown, NY 11787
- Reassigned Medicare billing, New York enrollment
- 6 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WEST ISLIP, NY 11795
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 Lawrence Opisso's NPI number?
The NPI number for Lawrence Opisso is 1487711941. It was assigned to this individual provider in the NPPES registry on January 3, 2007.
Where is Lawrence Opisso located?
Lawrence Opisso practices at 1253 Montauk Highway, West Islip, NY 11795. The listed phone number is (631) 661-1400.
What is Lawrence Opisso's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Lawrence Opisso enrolled in Medicare?
Yes. Lawrence Opisso is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Lawrence Opisso's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lawrence Opisso reassigns Medicare benefits to Long Island Chiropractic & Physical Therapy, PLLC (Smithtown, 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 Lawrence Opisso'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 Lawrence Opisso 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.
# Lawrence A Opisso, DC · NPI 1487711941
Chiropractor provider in West Islip, New York. Individual provider, active in the CMS NPPES registry since January 3, 2007.
## Identity
- **NPI:** 1487711941 (Entity type: Individual)
- **Enumerated:** January 3, 2007
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** X4173 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 1253 MONTAUK HIGHWAY, West Islip, NY 11795-4916
- **Phone:** (631) 661-1400 · **Fax:** (631) 661-5242
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** Long Island Chiropractic & Physical Therapy, PLLC (NPI 1417207028, Smithtown, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare ID-Type Unspecified X23671 (NY); Medicare UPIN P52752
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Source: [NPI Profile](https://npiprofile.com/npi/1487711941) · Data from the CMS NPPES public registry.