Doctor profile · Federal record

Dr. Caroline Loeser, MD

Gastroenterology Physician (CMS: Gastroenterology) · Gastroenterology Physician · Gastroenterology Physician · Internal Medicine Physician · Bridgeport, CT

  • NPI 1972715290
  • Accepts Medicare
  • MIPS 84.3 / 100 · 2023
  • 27 yrs in practice
  • Licensed in 3 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
267 Grant St
Bridgeport, CT 066102805
(203) 384-3000
fax (203) 384-4696

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
September 18, 2012
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (3)
Connecticut #040455 · South Carolina #31958 · Massachusetts #219127

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1972715290. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
123
Distinct HCPCS
6
Medicare allowed
$13,568
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 43 25 $52
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 20 20 $264
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 20 19 $87
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 17 12 $83
45380 Biopsy of large bowel using a flexible endoscope 12 12 $65
43237 Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope through mouth 11 11 $194

In context: peer comparison

Among 1 peers in Bridgeport Gastroenterology Physician, average services per provider: 20. This provider delivers 6.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
13
Patients
11
Total drug cost
$211
Drug Type Claims Patients Total cost
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 13 11 $211

Frequently asked questions

Auto-generated from federal data
What is Dr. Caroline Loeser's medical specialty?
Dr. Caroline Loeser practices Gastroenterology Physician in Bridgeport, CT.
Where does Dr. Caroline Loeser practice?
Dr. Caroline Loeser practices at 267 Grant St, Bridgeport, CT 066102805. Office phone: 2033843000.
What is Dr. Caroline Loeser's NPI?
Dr. Caroline Loeser's National Provider Identifier (NPI) is 1972715290, issued by NPPES.
Does Dr. Caroline Loeser accept Medicare assignment?
Yes. Dr. Caroline Loeser accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Caroline Loeser commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221). Source: CMS Medicare Physician & Other Practitioners file.