Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Mark J. Chelder, PHD

Individual provider Clinical Neuropsychologist · NPI 1376692889

Dr. Mark J. Chelder, PHD is a Clinical Psychologist in Galloway, New Jersey. Qualified in 1985, 41 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in New Jersey and Pennsylvania.

Years since qualifying
41
Licensed in
NJ, PA
In the registry since
2007
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

28 S New York Rd Ste B-5
Galloway, NJ 08205-9695
Phone: (800) 783-7930
Fax: (800) 783-7930
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Neuropsychologist (primary) Taxonomy 103G00000X · Licence SI 03735 (NJ)
Clinical Neuropsychologist Taxonomy 103G00000X · Licence PS-005007-L (PA)

Record details

NPI number1376692889
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJanuary 10, 2007
Last updated in NPPESMay 19, 2014
Mailing address325 E Jimmie Leeds Rd, 119, Galloway, NJ 08205-4126

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1985 (41 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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