Doctor profile · Federal record

Dr. Mark Versland, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · New Britain, CT

  • NPI 1639164775
  • Accepts Medicare
  • MIPS 83.2 / 100 · 2023
  • 45 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Liberty Square Floor 2, Connecticut GI, PC
New Britain, CT 060512637
(860) 229-9688
fax (860) 229-5498
Mailing address
2139 Silas Deane Highway, Connecticut GI, PC
Rocky Hill, CT 060671327

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
January 24, 2014
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Connecticut #028335
Medicaid
CT #001283358

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639164775. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
470
Distinct HCPCS
10
Medicare allowed
$67,555
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 86 66 $134
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 73 70 $114
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 63 62 $263
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 53 35 $83
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 46 46 $136
99213 Established patient office or other outpatient visit, 20-29 minutes 39 34 $95
99204 New patient office or other outpatient visit, 45-59 minutes 24 24 $175
45380 Biopsy of large bowel using a flexible endoscope 22 22 $122
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 21 21 $193
45378 Diagnostic exam of large bowel using a flexible endoscope 15 14 $180

In context: peer comparison

Among 2 peers in this city , average services per provider: 41. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$966
Transactions
47
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 16 $323.00
Phathom Pharmaceuticals, Inc. 7 $127.34
Janssen Biotech, Inc. 6 $119.48
Takeda Pharmaceuticals U.S.A., Inc. 4 $100.44
Intercept Pharmaceuticals, Inc. 4 $92.24
Regeneron Healthcare Solutions, Inc. 3 $68.94
Ardelyx, Inc. 2 $44.19
Gilead Sciences, Inc. 1 $22.33
Celgene Corporation 1 $21.94
Ferring Pharmaceuticals Inc. 1 $19.11
PFIZER INC. 1 $13.49
EVOKE PHARMA, INC. 1 $13.48

By nature of payment

Food and Beverage
$958
Education
$8

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
803
Patients
258
Total drug cost
$1,019,335
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 262 108 $5,433
Omeprazole Generic 126 48 $2,629
Famotidine Generic 48 25 $1,439
Esomeprazole Magnesium Generic 47 16 $4,627
Mesalamine Generic 42 17 $36,260
Metronidazole Generic 41 32 $767
Hydrocortisone Generic 33 12 $3,082
Creon (Lipase/Protease/Amylase) Brand 32 0 $121,226
Budesonide Dr (Budesonide) Brand 30 0 $8,030
Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) Brand 29 0 $1,571

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Versland's medical specialty?
Dr. Mark Versland practices Gastroenterology Physician in New Britain, CT.
Where does Dr. Mark Versland practice?
Dr. Mark Versland practices at 1 Liberty Square Floor 2, New Britain, CT 060512637. Office phone: 8602299688.
What is Dr. Mark Versland's NPI?
Dr. Mark Versland's National Provider Identifier (NPI) is 1639164775, issued by NPPES.
Does Dr. Mark Versland accept Medicare assignment?
Yes. Dr. Mark Versland accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Versland commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.