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

Dr. Donald Hamilton Delong II, MD

Individual provider Anesthesiology Physician · NPI 1841261609

Dr. Donald Hamilton Delong II, MD is an Anesthesiology Physician in Newton, New Jersey. Licensed in New Jersey. Registered with an NPI since 2006.

Licensed in
NJ
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

355 Ridge Rd
Newton, NJ 07860-5368
Phone: (973) 383-6210
Fax: (973) 383-6341
Show map & directions

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

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 25MA04401500 (NJ)

Record details

NPI number1841261609
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 30, 2006
Last updated in NPPESJuly 8, 2007

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