Doctor profile · Federal record

Dr. Michael Bays, D.O.

Gastroenterology Physician (CMS: Gastroenterology) · Port Charlotte, FL

  • NPI 1134101090
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 40 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
21260 Olean Blvd Ste 200
Port Charlotte, FL 339526742
(941) 625-4270
fax (941) 625-1751

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
April 23, 2024
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Florida #FLOS0006177

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134101090. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
589
Distinct HCPCS
10
Medicare allowed
$90,314
HCPCS Description Services Patients Avg allowed
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 133 131 $97
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 73 73 $189
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 66 66 $191
99214 Established patient office or other outpatient visit, 30-39 minutes 56 49 $133
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 55 55 $268
45380 Biopsy of large bowel using a flexible endoscope 45 45 $197
99213 Established patient office or other outpatient visit, 20-29 minutes 43 41 $94
99204 New patient office or other outpatient visit, 45-59 minutes 42 42 $174
43450 Dilation of esophagus 36 36 $43
45378 Diagnostic exam of large bowel using a flexible endoscope 17 17 $178

In context: peer comparison

Among 2 peers in Port Charlotte Gastroenterology Physician, average services per provider: 42. This provider delivers 14× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$15
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 1 $14.99

By nature of payment

Food and Beverage
$15

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
484
Patients
137
Total drug cost
$82,913
Drug Type Claims Patients Total cost
Omeprazole Generic 139 50 $2,646
Pantoprazole Sodium Generic 69 29 $945
Famotidine Generic 55 20 $943
Sucralfate Generic 52 13 $2,732
Linzess (Linaclotide) Brand 34 13 $27,653
Creon (Lipase/Protease/Amylase) Brand 19 0 $34,461
Cholestyramine (Cholestyramine (With Sugar)) Brand 17 0 $2,432
Esomeprazole Magnesium Generic 16 0 $600
Lansoprazole Generic 15 0 $328
Metronidazole Generic 15 12 $190

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Bays's medical specialty?
Dr. Michael Bays practices Gastroenterology Physician in Port Charlotte, FL.
Where does Dr. Michael Bays practice?
Dr. Michael Bays practices at 21260 Olean Blvd Ste 200, Port Charlotte, FL 339526742. Office phone: 9416254270.
What is Dr. Michael Bays's NPI?
Dr. Michael Bays's National Provider Identifier (NPI) is 1134101090, issued by NPPES.
Does Dr. Michael Bays accept Medicare assignment?
Yes. Dr. Michael Bays accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Bays commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Colorectal cancer screening; colonoscopy on individual at high risk (HCPCS G0105); Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk (HCPCS G0121). Source: CMS Medicare Physician & Other Practitioners file.