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

Dr. Mark E Gilder, MD

Individual provider Colon & Rectal Surgery Physician · NPI 1356316525

Dr. Mark E Gilder, MD is a Colorectal Surgery (Proctology) in Millburn, New Jersey. Graduated from New York Medical College in 1987, 39 years ago. Practices with Barnabas Health Medical Group, PC, a 255-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New Jersey.

Years since qualifying
39
Trained at
New York Medical College
Licensed in
NJ
In the registry since
2006
Specialties on file
2
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

231 Millburn Ave
Millburn, NJ 07041-1718
Phone: (973) 467-2277
Fax: (973) 467-1317
Show map & directions

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

Specialties & licences

Colon & Rectal Surgery Physician (primary) Taxonomy 208C00000X · Licence 25MA05933500 (NJ)
Specialist Taxonomy 174400000X · Licence 25MA05933500 (NJ)

Record details

NPI number1356316525
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 21, 2006
Last updated in NPPESFebruary 14, 2024
Certification dateFebruary 14, 2024
Mailing address231 Millburn Ave, Millburn, NJ 07041-1718

Medicare enrollment

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

Medicare specialtyCOLORECTAL SURGERY (PROCTOLOGY)
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 1987 (39 years in practice)
Group practice Barnabas Health Medical Group, Pc — 255 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

Other providers in Millburn