Matthew Aaron Grossman, M.D.
Gastroenterology Physician · Morristown, NJ
Matthew Aaron Grossman, M.D. is a gastroenterology physician with a practice address in Morristown, New Jersey, and NPI 1063618908, issued on Jun 26, 2007. Check the license (New Jersey 25MA08998700, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Matthew Aaron Grossman
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 25MA08998700 NJ
241241 NY
Self-reported in NPPES; status is on the state search - Practice location
- 435 South St Ste 230A, Morristown, NJ 07960
- Phone
- (973) 971-7507
- Enumerated
- Jun 26, 2007
- Record last updated
- Jan 4, 2023
- Fax
- (973) 290-7130
- Medicare enrollment
- Enrolled (PECOS I20111116000043); accepts Medicare assignment
- Medical or professional school
- Rutgers New Jersey Medical School, 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 735 in New Jersey → Look up another NPI →
Also registered at 435 South St Ste 230A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lauren Battista, APNAcute Care Nurse Practitioner1841853090
- Rita Belobrov, APNNurse Practitioner1588006209
- Rita BurnsNurse Practitioner1376141135
- Henry Dinneen, D.O.Gastroenterology Physician1417247784
- Arielle Fleischer, DNP, APN, FNP-BCNurse Practitioner1447033352
- Stephen Glombicki, MD, MBAGastroenterology Physician1871233999
Verify Matthew Aaron Grossman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA08998700Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average gastroenterology physician in 2024
171 Medicare Part D claims for 84 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Omeprazole39 claims
- Pantoprazole Sodium29 claims
- Creon19 claims
- Clenpiq15 claims
- Ciprofloxacin Hcl11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,268.72
45 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Practice Associates Medical GroupMorristown, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Aaron Grossman among 735 gastroenterology physician records in New Jersey
Matthew Aaron Grossman, M.D. is one of 735 gastroenterology physician records with a practice address in New Jersey. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 56% of them.
- NPI issued2007 · 56% of these records are older, 35% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2004 · median 2000 among the 564 with a school on file
- Record last updated2023 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in New Jersey
There are 735 gastroenterology physician records in New Jersey.
All 735 in New Jersey → Every provider in Morristown → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Henry Dinneen, D.O.Morristown, NJ 079601417247784
- Stephen Glombicki, MD, MBAMorristown, NJ 079601871233999
- Lakshmi Asritha Gollapudi, MDMorristown, NJ 079601659773141
- Abdalla Mohamed, MDMorristown, NJ 079601174079990
- John Morton, MDMorristown, NJ 079601659471720
- Ellen Rosen, MDMorristown, NJ 079601891895959
- Michael Samach, M.D.Morristown, NJ 079601861508566
- Michael Schalet, D.O.Morristown, NJ 079601275679649
Common questions
What is Matthew Aaron Grossman, M.D.'s NPI number?
Matthew Aaron Grossman, M.D.'s National Provider Identifier (NPI) is 1063618908, issued on Jun 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Aaron Grossman, M.D. located?
The NPPES record lists a practice address at 435 South St Ste 230A, Morristown, NJ, 07960. Phone: (973) 971-7507. Providers update this record themselves, so call before visiting.
How can I verify Matthew Aaron Grossman, M.D.'s license?
NPPES lists New Jersey license number 25MA08998700, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Matthew Aaron Grossman, M.D. prescribe under Medicare Part D?
In 2024, Matthew Aaron Grossman, M.D. had 171 Medicare Part D claims for 84 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.