Fiona Thomas, LMSW
Social Worker · Brooklyn, NY
Fiona Thomas, LMSW is a social worker with a practice address in Brooklyn, New York, and NPI 1043621329, issued on May 8, 2014. Check the license (New York 083326, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Fiona Thomas
- Credential
- LMSW
- Primary taxonomy
- Social Worker 104100000X
- License number
- 083326 NY
Self-reported in NPPES; status is on the state search - Practice location
- 111 Dahlgren PL, Brooklyn, NY 11228
- Phone
- (718) 745-4288
- Enumerated
- May 8, 2014
- Record last updated
- Oct 1, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20240613000830); accepts Medicare assignment
- Medical or professional school
- Fordham University School Of Medicine, 2009
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest social worker records → All 23,561 in New York → Look up another NPI →
Also registered at 111 Dahlgren PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Millicent Ampadu, LCSWClinical Social Worker1962921452
- Sara Elsehetry, MA, MHCMental Health Counselor1346865391
Verify Fiona Thomas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 083326Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Brooklyn Psychotherapy Lcsw Services PCBrooklyn, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Fiona Thomas among 23,561 social worker records in New York
Fiona Thomas, LMSW is one of 23,561 social worker records with a practice address in New York. 3% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 24% of them.
- NPI issued2014 · 24% of these records are older, 73% newer
- In a Medicare fileYes · 3% of these records are
- In the CMS Doctors and Clinicians fileYes · 5% of these records are
- Graduated2009 · median 2013 among the 1,177 with a school on file
- Record last updated2020 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 104100000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3,662 social worker records list a practice address in Brooklyn
They are 3,662 of the 64,057 NPPES records with a practice address in Brooklyn, and 23,561 social worker records in New York.
All 23,561 in New York → Every provider in Brooklyn → Social Worker nationwide →
The 8 social worker records with the nearest ZIP codes
- Lyndsay Adesso, LMSWBrooklyn, NY 112281962717231
- Michele Delgesso-Singer, LMSWBrooklyn, NY 112281487790911
- Donna Deming, LMSWBrooklyn, NY 112281780821595
- Sarah Gilford, LMSWBrooklyn, NY 112281104098912
- Christine Greene, MSPTBrooklyn, NY 112281134338031
- Kareen Halstead, MSWBrooklyn, NY 112281245405935
- Victoria Iocolano, L.C.S.W.Brooklyn, NY 112281861553760
- Judith Jacoby, LMSWBrooklyn, NY 112281811220031
Common questions
What is Fiona Thomas, LMSW's NPI number?
Fiona Thomas, LMSW's National Provider Identifier (NPI) is 1043621329, issued on May 8, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Fiona Thomas, LMSW located?
The NPPES record lists a practice address at 111 Dahlgren PL, Brooklyn, NY, 11228. Phone: (718) 745-4288. Providers update this record themselves, so call before visiting.
How can I verify Fiona Thomas, LMSW's license?
NPPES lists New York license number 083326, 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.