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

Dr. Mark William Ornstein, MD

Individual provider Internal Medicine Physician · NPI 1912089681

Dr. Mark William Ornstein, MD is an Internal Medicine Physician in Farmingdale, New Jersey. Practices as a sole proprietor. Licensed in New Jersey.

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

43 Main St
Farmingdale, NJ 07727-1340
Phone: (732) 449-0914
Fax: (732) 449-5437
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 25MA04828700 (NJ)

Record details

NPI number1912089681
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 20, 2006
Last updated in NPPESApril 26, 2012
Mailing addressPo Box 845, Neptune, NJ 07754-0845

Other providers in Farmingdale