NPPES file of Aug 9, 2026

Crystal Sing Schaeffer, LCSW

Clinical Social Worker · Brooklyn, NY

Crystal Sing Schaeffer, LCSW is a clinical social worker with a practice address in Brooklyn, New York, and NPI 1801476395, issued on Apr 9, 2021. Check the license (New York 101385, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1801476395
Name
Crystal Sing Schaeffer
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License numbers
101385 NY
23390 AZ
TPSW6537 FL
Self-reported in NPPES; status is on the state search
Practice location
11 Granite St Apt 2B, Brooklyn, NY 11207
Phone
(917) 924-0118
Enumerated
Apr 9, 2021
Record last updated
May 8, 2026
Medicare enrollment
Enrolled (PECOS I20251226000163); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Crystal Sing Schaeffer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 101385
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Integrity Social Work Services LLCStaten Island, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Crystal Sing Schaeffer among 29,293 clinical social worker records in New York

Crystal Sing Schaeffer, LCSW is one of 29,293 clinical social worker records with a practice address in New York. 8% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 82% of them.

  • NPI issued2021 · 82% of these records are older, 14% newer
  • In a Medicare fileYes · 8% of these records are
  • In the CMS Doctors and Clinicians fileYes · 17% of these records are
  • Graduated2018 · median 2001 among the 5,004 with a school on file
  • Record last updated2026 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

3,449 clinical social worker records list a practice address in Brooklyn

They are 3,449 of the 64,057 NPPES records with a practice address in Brooklyn, and 29,293 clinical social worker records in New York.

The 8 clinical social worker records with the nearest ZIP codes

  1. Raymond Alberts, LCSWRBrooklyn, NY 112071225181472
  2. Carmen BlancoBrooklyn, NY 112071235282682
  3. Deborah Famuyide, LCSW, CASACBrooklyn, NY 112071295806156
  4. Latatche Farley, LCSWBrooklyn, NY 112071619931045
  5. Larissa Golloub, LCSW-RBrooklyn, NY 112071942352034
  6. Rosalind Hay-Stevens, LMSWBrooklyn, NY 112071457405326
  7. Alicia Jackson, 01/31/05Brooklyn, NY 112071376622217
  8. Edwin Lord, LMSWBrooklyn, NY 112071437239597

Common questions

What is Crystal Sing Schaeffer, LCSW's NPI number?

Crystal Sing Schaeffer, LCSW's National Provider Identifier (NPI) is 1801476395, issued on Apr 9, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Crystal Sing Schaeffer, LCSW located?

The NPPES record lists a practice address at 11 Granite St Apt 2B, Brooklyn, NY, 11207. Phone: (917) 924-0118. Providers update this record themselves, so call before visiting.

How can I verify Crystal Sing Schaeffer, LCSW's license?

NPPES lists New York license number 101385, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.