EIAD NASSER (MD) – Gastroenterology Physician, NPI 1922230002
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
496 GASTROENTEROLOGY in MD
Provider Addresses for EIAD NASSER (MD)
510 UPPER CHESAPEAKE DR STE 416
BEL AIR, MD 210144336
Phone: (443) 643-4700
Fax: (443) 643-4707
Type: Location
2214 Old Emmorton Rd Ste 100
Bel Air, MD 210156106
Phone: (410) 838-6345
Fax: (410) 838-1595
Type: Location
251 Lewis Ln Ste 105
Havre DE Grace, MD 210783752
Phone: (410) 939-5082
Fax: (410) 939-6291
Type: Location
Upper Chesapeake: Klein ACC, 510, Upper Chesapeake Drive, Wakefield Manor, Bel Air, Harford County, Maryland, 21014, United States
SUITE 416
BEL AIR, MD 210144328
Phone: (443) 643-4700
Fax: (443) 643-4707
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 24 Open Payments records for all available years, with a total value of $637.
Total Amount is formed as General ($637) + Research ($0) + Ownership ($0) = $637.
Last reported payment date: 2024-10-24 • Largest payer in this snapshot: ABBVIE INC. ($347).
Total Amount
$637
General + Research + Ownership
Payments
24
Total payment records
General Amount
$637
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-24
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $347 |
| Boston Scientific Corporation | $115 |
| Medtronic, Inc. | $95 |
| Takeda Pharmaceuticals U.S.A., Inc. | $31 |
| Lilly USA, LLC | $27 |
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: 2017-01-20
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 |
|---|---|---|---|---|
| I20170120000198 | I | Gastroenterology | MD | 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 | 415 | 282 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 220 | 218 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 198 | 198 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 176 | 176 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 148 | 147 | $0 |
Insurance plans in this area (ZIP 21014)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Gastroenterology, Internal Medicine | MD | |
| P A T H O L O G Y | MD | |
| - | MD | |
| Nurse Practitioner | MD | |
| Gastroenterology, Internal Medicine | MD | |
| G A S T R O E N T E R O L O G Y | MD | |
| Nurse Practitioner | MD | |
| Nurse Practitioner | MD | |
| - | MD |
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