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

Dr. Melissa Ann Diener, MD

Individual provider Gastroenterology Physician · NPI 1316106347

Dr. Melissa Ann Diener, MD is a Gastroenterology in Sewell, New Jersey. Graduated from New York University School of Medicine in 2004, 22 years ago. Practices with Advocare, LLC, a 385-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in New Jersey.

Years since qualifying
22
Trained at
New York University School of Medicine
Licensed in
NJ
In the registry since
2008
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

239 Hurffville Crosskeys Rd Ste 490
Sewell, NJ 08080-4013
Phone: (856) 237-8045
Fax: (856) 237-8047
Show map & directions

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

Additional practice locations (1)

  • 3205 Fire Rd, Egg Harbor Township, NJ 08234-5884 — (609) 407-1220

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 25MA09438500 (NJ)

Record details

NPI number1316106347
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 5, 2008
Last updated in NPPESMay 8, 2026
Certification dateMay 8, 2026

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolNEW YORK UNIVERSITY SCHOOL OF MEDICINE
Graduated 2004 (22 years in practice)
Group practice Advocare, Llc — 385 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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