DR. MATTHEW AARON GROSSMAN (M.D.) – Gastroenterology Physician, NPI 1063618908
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
757 GASTROENTEROLOGY in NJ
Provider Addresses for DR. MATTHEW AARON GROSSMAN (M.D.)
PO BOX 416457
BOSTON, MA 022416457
Phone: (844) 362-1735
Fax: (973) 290-7495
Type: Mailing
435 SOUTH ST STE 230A
MORRISTOWN, NJ 079606422
Phone: (973) 971-7507
Fax: (973) 290-7130
Type: Location
1125 US Highway 22 Ste 265
Bridgewater, NJ 088072939
Phone: (973) 971-7507
Fax: (973) 290-7130
Type: Location
333 Mount Hope Ave Ste 350
Rockaway, NJ 078661654
Phone: (973) 971-7507
Fax: (973) 290-7130
Type: Location
205, Browertown Road, Woodland Park, Passaic County, New Jersey, 07424, United States
SUITE 204
WOODLAND PARK, NJ 074242671
Phone: (973) 283-5005
Fax: (973) 812-5235
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 100 Open Payments records for all available years, with a total value of $2,563.
Total Amount is formed as General ($2,563) + Research ($0) + Ownership ($0) = $2,563.
Last reported payment date: 2024-12-23 • Largest payer in this snapshot: Boston Scientific Corporation ($479).
Total Amount
$2,563
General + Research + Ownership
Payments
100
Total payment records
General Amount
$2,563
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Boston Scientific Corporation | $479 |
| ABBVIE INC. | $468 |
| Gilead Sciences, Inc. | $276 |
| Olympus America Inc. | $241 |
| STERIS CORPORATION | $142 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2011-11-16
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20111116000043 | I | Gastroenterology | NJ | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 93 | 73 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 76 | 76 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 71 | 48 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 56 | 52 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 45 | 44 | $0 |
Insurance plans in this area (ZIP 02241)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | NY | |
| - | MA | |
| Internal Medicine | MA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | PA | |
| - | NJ | |
| P S Y C H I A T R Y | NJ | |
| U R O L O G Y | NC | |
| Nurse Practitioner | NJ | |
| Internal Medicine | MA | |
| Nurse Practitioner | NJ |
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