CRYSTAL SING SCHAEFFER LCSW
NPI 1801476395
Social Worker - Clinical in Brooklyn, NY
About Crystal Sing Schaeffer Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CRYSTAL SING SCHAEFFER LCSW (NPI 1801476395) is an individual clinical provider in Brooklyn, New York, licensed in New York (101385) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Crystal Sing Schaeffer 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
3Medicare enrollment records show Crystal Schaeffer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10002
- Reassigned Medicare billing, New York enrollment
- 15 clinicians in this Medicare group
Staten Island, NY 10314
- Reassigned Medicare billing, New York enrollment
- 131 clinicians in this Medicare group
Miami, FL 33136
- Reassigned Medicare billing, Arizona enrollment
- 2 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 11207 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Crystal Schaeffer's NPI number?
The NPI number for Crystal Schaeffer is 1801476395. It was assigned to this individual provider in the NPPES registry on April 9, 2021. The provider is also known as Crystal Sing Lcsw.
Where is Crystal Schaeffer located?
Crystal Schaeffer practices at 11 Granite St Apt 2B, Brooklyn, NY 11207. The listed phone number is (917) 924-0118.
What is Crystal Schaeffer's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Crystal Schaeffer enrolled in Medicare?
Yes. Crystal Schaeffer 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 Crystal Schaeffer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Crystal Schaeffer reassigns Medicare benefits to 3 organizations: University Settlement Society Of New York (New York, NY), Integrity Social Work Services LLC (Staten Island, NY) and Brave Health Medical Group PA (Miami, FL). 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 Crystal Schaeffer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Crystal Schaeffer accept?
Health plans from Oscar Health and UnitedHealthcare list Crystal Schaeffer 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 Crystal Schaeffer was last updated on May 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.
# Crystal Sing Schaeffer, LCSW · NPI 1801476395
Clinical provider in Brooklyn, New York. Individual provider, active in the CMS NPPES registry since April 9, 2021.
## Identity
- **NPI:** 1801476395 (Entity type: Individual)
- **Enumerated:** April 9, 2021
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 101385 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 11 GRANITE ST APT 2B, Brooklyn, NY 11207-3369
- **Phone:** (917) 924-0118
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): University Settlement Society Of New York (NPI 1346232345, New York, NY); Integrity Social Work Services LLC (NPI 1972715456, Staten Island, NY); Brave Health Medical Group PA (NPI 1225669161, Miami, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** May 8, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1801476395) · Data from the CMS NPPES public registry.