DARREN REICH BLUMBERG (M.D.) – Gastroenterology Physician, NPI 1902813272
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 DARREN REICH BLUMBERG (M.D.)
Ridgedale Avenue, Cedar Knolls, Hanover Township, Morris County, New Jersey, 07927, United States
CEDAR KNOLLS, NJ 079271313
Phone: (973) 401-0500
Fax: (973) 401-9306
Type: Mailing
140, Park Avenue, Florham Park, Morris County, New Jersey, 07932, United States
FLORHAM PARK, NJ 079321049
Phone: (973) 401-0500
Fax: (973) 401-9306
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 214 Open Payments records for all available years, with a total value of $3,227.
Total Amount is formed as General ($3,227) + Research ($0) + Ownership ($0) = $3,227.
Last reported payment date: 2024-12-23 • Largest payer in this snapshot: ABBVIE INC. ($972).
Total Amount
$3,227
General + Research + Ownership
Payments
214
Total payment records
General Amount
$3,227
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
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: 2004-05-12
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 |
|---|---|---|---|---|
| I20040512001167 | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 302 | 226 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 231 | 230 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 213 | 168 | $0 |
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 176 | 147 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 174 | 169 | $0 |
Insurance plans in this area (ZIP 07927)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| U R O L O G Y | NJ | |
| Radiation Oncology | NY | |
| - | NJ | |
| - | NJ | |
| Physical Therapist In Private Practice | NJ | |
| - | NJ | |
| - | NJ | |
| G A S T R O E N T E R O L O G Y | NJ | |
| - | NJ | |
| - | NJ |
Reviews
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