GEORGE GABRIEL ABDELSAYED (MD) – Gastroenterology Physician, NPI 1144298613
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
401 GASTROENTEROLOGY in CT
Provider Addresses for GEORGE GABRIEL ABDELSAYED (MD)
MILL HILL MEDICAL CONSULTANTS INC
PO BOX 415126
BOSTON, MA 022410001
Phone: (203) 384-3394
Fax: (203) 384-3829
Type: Mailing
226 Mill Hill Ave
3rd Floor
Bridgeport, CT 066102811
Phone: (203) 384-3394
Fax: (203) 384-3829
Type: Location
PO BOX 829642
PHILADELPHIA, PA 191829642
Phone: (866) 470-6626
Type: Mailing
125 PATERSON ST STE 5100
NEW BRUNSWICK, NJ 089011962
Phone: (732) 235-7784
Type: Location
226, Mill Hill Avenue, Historic East Side, Bridgeport, Fairfield County, Connecticut, 06610, United States
3RD FLOOR
BRIDGEPORT, CT 066102811
Phone: (203) 384-3394
Fax: (203) 384-3829
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 43 Open Payments records for all available years, with a total value of $12,131.
Total Amount is formed as General ($12,131) + Research ($0) + Ownership ($0) = $12,131.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: Phathom Pharmaceuticals, Inc. ($9,424).
Total Amount
$12,131
General + Research + Ownership
Payments
43
Total payment records
General Amount
$12,131
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Phathom Pharmaceuticals, Inc. | $9,424 |
| Gilead Sciences, Inc. | $843 |
| Madrigal Pharmaceuticals | $745 |
| ABBVIE INC. | $410 |
| IRONWOOD PHARMACEUTICALS, INC | $134 |
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: 2020-06-18
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20131127001670 | I | Gastroenterology | NY | TBD |
| I20200618001312 | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 74 | 46 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 62 | 52 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 42 | 29 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 35 | 35 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 31 | 31 | $0 |
Insurance plans in this area (ZIP 02241)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| U R O L O G Y | CA | |
| Infectious Disease | MI | |
| Cardiovascular Disease (Cardiology) | NJ | |
| G A S T R O E N T E R O L O G Y | MD | |
| O B S T E T R I C S/ G Y N E C O L O G Y | NY | |
| Nurse Practitioner | NJ | |
| Infectious Disease | MI | |
| Cardiovascular Disease (Cardiology) | NJ | |
| Radiation Oncology | NJ | |
| Infectious Disease | NY |
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