JEFFREY S UNGER (MD) – Gastroenterology Physician, NPI 1104864487
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
757 GASTROENTEROLOGY in NJ
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Provider Addresses for JEFFREY S UNGER (MD)
4 GREEN MOUNTAIN DR
BASKING RIDGE, NJ 079202987
Phone: (908) 306-3006
Fax: (908) 231-1612
Type: Mailing
286, East Main Street, Somerville, Somerset County, New Jersey, 08876, United States
SOMERVILLE, NJ 088763006
Phone: (908) 223-1199
Fax: (908) 231-1612
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 73 Open Payments records for all available years, with a total value of $7,147.
Total Amount is formed as General ($7,147) + Research ($0) + Ownership ($0) = $7,147.
Last reported payment date: 2024-12-20 • Largest payer in this snapshot: Abbott Laboratories ($6,192).
Total Amount
$7,147
General + Research + Ownership
Payments
73
Total payment records
General Amount
$7,147
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-20
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2003-11-18
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 |
|---|---|---|---|---|
| I20031118000422 | 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 | 436 | 299 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 164 | 117 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 103 | 88 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 74 | 74 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 73 | 73 | $0 |
Insurance plans in this area (ZIP 07920)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | NJ | 43235 | Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope | 15 | 15 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | NJ | |
| P O D I A T R Y | NJ | |
| Internal Medicine | NJ | |
| Internal Medicine | NJ | |
| Internal Medicine | NJ | |
| Internal Medicine | NJ | |
| Internal Medicine | NJ | |
| Nurse Practitioner | NJ | |
| Internal Medicine | NJ | |
| Physician Assistant | NJ |
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