ALAN J. GAMSEY (M.D.) – Gastroenterology Physician, NPI 1043295348
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
540 GASTROENTEROLOGY in VA
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Provider Addresses for ALAN J. GAMSEY (M.D.)
112, Gainsborough Square, Chesapeake, Virginia, 23320, United States
SUITE 200
CHESAPEAKE, VA 233201706
Phone: (757) 547-0798
Fax: (757) 547-0145
Type: Mailing
6006 S RIVER RD
NORFOLK, VA 235054711
Phone: (757) 575-1784
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 228 Open Payments records for all available years, with a total value of $5,030.
Total Amount is formed as General ($5,030) + Research ($0) + Ownership ($0) = $5,030.
Last reported payment date: 2024-12-23 • Largest payer in this snapshot: ABBVIE INC. ($1,364).
Total Amount
$5,030
General + Research + Ownership
Payments
228
Total payment records
General Amount
$5,030
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: 2005-01-13
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 |
|---|---|---|---|---|
| I20050113000080 | I | Gastroenterology | VA | 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 | 215 | 177 | $0 |
| 99202 | New patient office or other outpatient visit, 15-29 minutes | 110 | 110 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 91 | 91 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 79 | 79 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 71 | 66 | $0 |
Insurance plans in this area (ZIP 23320)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | VA | 43235 | Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope | 39 | 39 |
| GASTROENTEROLOGY | VA | 45378 | Diagnostic examination of large bowel using an endoscope | 22 | 22 |
| GASTROENTEROLOGY | VA | 45385 | Removal of polyps or growths of large bowel using an endoscope | 55 | 55 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | VA | |
| G A S T R O E N T E R O L O G Y | VA | |
| General Surgery, Colorectal Surgery (Proctology) | VA | |
| Physician Assistant | VA | |
| Physician Assistant | VA | |
| Certified Registered Nurse Anesthetist (Crna) | VA |
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