Individual provider · Type 1 NPI

William L. Diehl, MD

Surgical Oncology Physician · Livingston, NJ

NPI number 1629068457 Active

Practice location

75 E Northfield Rd
Livingston, NJ 07039-4532

Call (973) 436-1530 Map

Fax (973) 422-0414

Mailing address

261 James St, Suite 2G
Morristown, NJ 07960-6392

Specialties and licenses

TaxonomyCodeLicense
Surgical Oncology Physician Primary 2086X0206X25MA04355800 (NJ)
Surgery Physician 208600000X25MA04355800 (NJ)

Surgical Oncology Physician: A surgical oncologist is a well-qualified surgeon who has obtained additional training and experience in the multidisciplinary approach to the prevention, diagnosis, treatment, and rehabilitation of cancer patients, and devotes a major portion of his or her professional practice to these activities and cancer research.

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About NPI 1629068457

William L. Diehl, MD's National Provider Identifier is 1629068457, issued on Oct 24, 2005. The primary taxonomy on file is Surgical Oncology Physician (2086X0206X), and the practice location is in Livingston, NJ. The record was last updated on Feb 16, 2026.