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

Dr. Nathan Diegelman, PHD

Individual provider Mental Health Counselor · NPI 1396897856

Dr. Nathan Diegelman, PHD is a Mental Health Counselor in Orchard Park, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
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.

See every abbreviation used in this directory →

Practice location Address checks out

3780 N Buffalo St Ste 6
Orchard Park, NY 14127-1855
Phone: (716) 202-0637
Show map & directions

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

Specialties & licences

Counseling Psychologist (primary) Taxonomy 103TC1900X · Licence 016721-1 (NY)
Mental Health Counselor Taxonomy 101YM0800X (NY)

Record details

NPI number1396897856
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJanuary 17, 2007
Last updated in NPPESMarch 26, 2026
Certification dateMarch 26, 2026

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