Joshua Pfeffer, LCSW
Clinical Social Worker · Lawrenceville, NJ
Joshua Pfeffer, LCSW is a clinical social worker with a practice address in Lawrenceville, New Jersey, and NPI 1871838326, issued on Dec 10, 2012. Check the license (New Jersey 44SC05526300, as entered in NPPES) with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joshua Pfeffer
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 44SC05526300 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 2550 Brunswick Pike, Lawrenceville, NJ 08648
- Phone
- (609) 396-8877
- Enumerated
- Dec 10, 2012
- Record last updated
- Dec 10, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (609) 396-6024
- Medicare enrollment
- Enrolled (PECOS I20130128000108); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 9,790 in New Jersey → Look up another NPI →
Also registered at 2550 Brunswick Pike
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carla BakrMental Health Counselor1730782566
- Linda Calderone, APNAdult Psychiatric/Mental Health Clinical Nurse Specialist1790045227
- Andrew Davis, LCSWClinical Social Worker1235200163
- Kara Ellis, LCSWClinical Social Worker1306488168
- Loriann Fell, LACCounselor1386040004
- Beatrice Iloka, APNPsychiatric/Mental Health Nurse Practitioner1174903751
Verify Joshua Pfeffer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
Search for license 44SC05526300Check 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
- Rutgers Health Behavioral HealthCherry Hill, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joshua Pfeffer among 9,790 clinical social worker records in New Jersey
Joshua Pfeffer, LCSW is one of 9,790 clinical social worker records with a practice address in New Jersey. 12% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 38% of them.
- NPI issued2012 · 38% of these records are older, 59% newer
- In a Medicare fileYes · 12% of these records are
- In the CMS Doctors and Clinicians fileYes · 22% of these records are
- Graduated2010 · median 2006 among the 2,147 with a school on file
- Record last updated2012 · 59% 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 Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
65 clinical social worker records list a practice address in Lawrenceville
They are 65 of the 693 NPPES records with a practice address in Lawrenceville, and 9,790 clinical social worker records in New Jersey.
All 9,790 in New Jersey → Every provider in Lawrenceville → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Anne Allen, LCSWLawrenceville, NJ 086481588725139
- Rikki Bobchin, LCSWLawrenceville, NJ 086481457439218
- Andrew Davis, LCSWLawrenceville, NJ 086481235200163
- Ziad Dilaimi, LCSWLawrenceville, NJ 086481336227602
- Courtney Esposito, LCSWLawrenceville, NJ 086481700091857
- Carol Feldman, LCSW,CASLawrenceville, NJ 086481396715330
- Richard Gordon, MSW, LCSW, LCADCLawrenceville, NJ 086481790806164
- Charlotte Grodzki, LCSWLawrenceville, NJ 086481407897713
Common questions
What is Joshua Pfeffer, LCSW's NPI number?
Joshua Pfeffer, LCSW's National Provider Identifier (NPI) is 1871838326, issued on Dec 10, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Joshua Pfeffer, LCSW located?
The NPPES record lists a practice address at 2550 Brunswick Pike, Lawrenceville, NJ, 08648. Phone: (609) 396-8877. Providers update this record themselves, so call before visiting.
How can I verify Joshua Pfeffer, LCSW's license?
NPPES lists New Jersey license number 44SC05526300, as entered by the provider. Search the New Jersey 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.