MS. MARGO POSILLICO MESSINA LCSW-R
NPI 1467678326
Social Worker - Clinical in Greenlawn, NY
About Ms. Margo Posillico Messina Lcsw-r NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. MARGO POSILLICO MESSINA LCSW-R (NPI 1467678326) is an individual clinical provider in Greenlawn, New York, licensed in New York (R047832-1) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS and is a graduate of Other (1993).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ms. Margo Posillico Messina Lcsw-r 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11740 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Margo Messina's NPI number?
The NPI number for Margo Messina is 1467678326. It was assigned to this individual provider in the NPPES registry on April 18, 2007.
Where is Margo Messina located?
Margo Messina practices at 29 Northgate Dr, Greenlawn, NY 11740. The listed phone number is (631) 271-0913.
What is Margo Messina's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Margo Messina enrolled in Medicare?
Yes. Margo Messina 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.
What insurance does Margo Messina accept?
Health plans from Providence Health Plan list Margo Messina as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Margo Messina was last updated on August 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days 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.
# Ms. Margo Posillico Messina, LCSW-R · NPI 1467678326
Clinical provider in Greenlawn, New York. Individual provider, active in the CMS NPPES registry since April 18, 2007.
## Identity
- **NPI:** 1467678326 (Entity type: Individual)
- **Enumerated:** April 18, 2007
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** R047832-1 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 29 NORTHGATE DR, Greenlawn, NY 11740
- **Phone:** (631) 271-0913 · **Fax:** (631) 261-3250
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Medical school:** Other, class of 1993
## Record status
- **NPPES last updated:** August 26, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1467678326) · Data from the CMS NPPES public registry.