DR. MARK R VERSLAND (M.D.) – Gastroenterology Physician, NPI 1639164775
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
401 GASTROENTEROLOGY in CT
Provider Addresses for DR. MARK R VERSLAND (M.D.)
2139, Silas Deane Highway, Elm Street Historic District, Rocky Hill, Capitol Planning Region, Connecticut, 06067, United States
CONNECTICUT GI, PC
ROCKY HILL, CT 060671327
Phone: (860) 257-4131
Fax: (860) 257-4519
Type: Mailing
1 LIBERTY SQUARE FLOOR 2
CONNECTICUT GI, PC
NEW BRITAIN, CT 060512637
Phone: (860) 229-9688
Fax: (860) 229-5498
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 73 Open Payments records for all available years, with a total value of $1,457.
Total Amount is formed as General ($1,457) + Research ($0) + Ownership ($0) = $1,457.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: ABBVIE INC. ($458).
Total Amount
$1,457
General + Research + Ownership
Payments
73
Total payment records
General Amount
$1,457
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
2
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $458 |
| Phathom Pharmaceuticals, Inc. | $127 |
| Janssen Biotech, Inc. | $119 |
| Takeda Pharmaceuticals U.S.A., Inc. | $100 |
| Intercept Pharmaceuticals, Inc. | $92 |
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: 2010-10-11
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 |
|---|---|---|---|---|
| I20101011000103 | I | Gastroenterology | CT | 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 | 86 | 66 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 73 | 70 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 63 | 62 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 53 | 35 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 46 | 46 | $0 |
Insurance plans in this area (ZIP 06067)
Loading plans...
Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | CT | 43235 | Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope | 21 | 21 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | CT | |
| Gastroenterology, Internal Medicine | CT | |
| - | NY | |
| Nurse Practitioner | CT | |
| Certified Registered Nurse Anesthetist (Crna) | NY | |
| G A S T R O E N T E R O L O G Y | CT | |
| P A T H O L O G Y | WA | |
| Internal Medicine, Gastroenterology | CT | |
| Physician Assistant | CT | |
| Certified Registered Nurse Anesthetist (Crna) | CT |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.