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

Dr. Matthew Aaron Grossman, MD

Individual provider Gastroenterology Physician · NPI 1063618908

Dr. Matthew Aaron Grossman, MD is a Gastroenterology in Morristown, New Jersey. Graduated from Rutgers New Jersey Medical School in 2004, 22 years ago. Practices with Practice Associates Medical Group, a 1,403-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in New Jersey and New York.

Years since qualifying
22
Trained at
Rutgers New Jersey Medical School
Licensed in
NJ, NY
In the registry since
2007
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

435 S St Ste 230A
Morristown, NJ 07960-6422
Phone: (973) 971-7507
Fax: (973) 290-7130
Show map & directions

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

Additional practice locations (2)

  • 1125 Us Highway 22 Ste 265, Bridgewater, NJ 08807-2939 — (973) 971-7507
  • 333 Mount Hope Ave Ste 350, Rockaway, NJ 07866-1654 — (973) 971-7507

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 25MA08998700 (NJ)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 241241 (NY)

Record details

NPI number1063618908
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 26, 2007
Last updated in NPPESJanuary 4, 2023
Certification dateJanuary 4, 2023

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolRUTGERS NEW JERSEY MEDICAL SCHOOL
Graduated 2004 (22 years in practice)
Group practice Practice Associates Medical Group — 1403 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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