Doctor profile · Federal record

Dr. Frank Karpowicz, MD

Gastroenterology Physician (CMS: Gastroenterology) · Bay Shore, NY

  • NPI 1134232556
  • Accepts Medicare
  • MIPS 85.0 / 100 · 2023
  • 45 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
375 E Main St, Ste 21
Bay Shore, NY 11706
(631) 968-8288
fax (631) 968-8268

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
February 16, 2010
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
New York #1516611
Medicaid
NY #01257230

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134232556. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
368
Distinct HCPCS
8
Medicare allowed
$57,704
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 111 86 $147
99204 New patient office or other outpatient visit, 45-59 minutes 74 74 $196
99213 Established patient office or other outpatient visit, 20-29 minutes 69 54 $106
45380 Biopsy of large bowel using a flexible endoscope 31 31 $173
45378 Diagnostic exam of large bowel using a flexible endoscope 27 26 $203
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 23 23 $271
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 20 20 $122
82270 Stool analysis for blood to screen for colon tumors 13 13 $4

In context: peer comparison

Among 2 peers in Bay Shore Gastroenterology Physician, average services per provider: 47. This provider delivers 7.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
490
Patients
225
Total drug cost
$12,195
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 194 67 $2,464
Omeprazole Generic 111 34 $1,518
Gavilyte-C (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 59 58 $981
Famotidine Generic 49 27 $1,397
Hydrocortisone Generic 34 24 $1,487
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 16 15 $1,135
Esomeprazole Magnesium Generic 15 0 $1,660
Entecavir Generic 12 0 $1,553

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Frank Karpowicz's medical specialty?
Dr. Frank Karpowicz practices Gastroenterology Physician in Bay Shore, NY.
Where does Dr. Frank Karpowicz practice?
Dr. Frank Karpowicz practices at 375 E Main St, Bay Shore, NY 11706. Office phone: 6319688288.
What is Dr. Frank Karpowicz's NPI?
Dr. Frank Karpowicz's National Provider Identifier (NPI) is 1134232556, issued by NPPES.
Does Dr. Frank Karpowicz accept Medicare assignment?
Yes. Dr. Frank Karpowicz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Frank Karpowicz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.