MRS. STEPHANIE RACHEL MEWHINNEY LCSW
NPI 1902233190
Social Worker - Clinical in Patchogue, NY
About Mrs. Stephanie Rachel Mewhinney Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. STEPHANIE RACHEL MEWHINNEY LCSW (NPI 1902233190) is an individual clinical provider in Patchogue, New York, licensed in New York (086385-1) and active in the NPI registry since October 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Mrs. Stephanie Rachel Mewhinney 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 Reassignments
2Medicare enrollment records show Stephanie Mewhinney reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brooklyn, NY 11235
- Reassigned Medicare billing, New York enrollment
- 436 clinicians in this Medicare group
Brooklyn, NY 11201
- Reassigned Medicare billing, New York enrollment
- 457 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11772 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PATCHOGUE, NY 11772
PATCHOGUE, NY 11772
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 Stephanie Mewhinney's NPI number?
The NPI number for Stephanie Mewhinney is 1902233190. It was assigned to this individual provider in the NPPES registry on October 2, 2013.
Where is Stephanie Mewhinney located?
Stephanie Mewhinney practices at 475 E Main St 1st Floor, Suite 101, Patchogue, NY 11772. The listed phone number is (631) 363-2001.
What is Stephanie Mewhinney's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Stephanie Mewhinney enrolled in Medicare?
Yes. Stephanie Mewhinney 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 organizations bill Medicare for Stephanie Mewhinney's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Mewhinney reassigns Medicare benefits to 2 organizations: Knapp Street Psychiatry, PC (Brooklyn, NY) and Che Senior Psychological Services, PC (Brooklyn, NY). Each 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 Stephanie Mewhinney's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephanie Mewhinney accept?
Health plans from Oscar Health list Stephanie Mewhinney 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 Stephanie Mewhinney was last updated on December 18, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Mrs. Stephanie Rachel Mewhinney, LCSW · NPI 1902233190
Clinical provider in Patchogue, New York. Individual provider, active in the CMS NPPES registry since October 2, 2013.
## Identity
- **NPI:** 1902233190 (Entity type: Individual)
- **Enumerated:** October 2, 2013
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 086385-1 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 475 E MAIN ST, 1ST FLOOR, SUITE 101, Patchogue, NY 11772-3121
- **Phone:** (631) 363-2001 · **Fax:** (631) 687-5834
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Knapp Street Psychiatry, PC (NPI 1043248776, Brooklyn, NY); Che Senior Psychological Services, PC (NPI 1023078219, Brooklyn, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** December 18, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1902233190) · Data from the CMS NPPES public registry.