Doctor profile · Federal record

Dr. Floyd Byfield, M.D

Gastroenterology Physician (CMS: Gastroenterology) · Sleepy Hollow, NY

  • NPI 1780787291
  • Accepts Medicare
  • MIPS 85.0 / 100 · 2023
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Westchester Gastroentrology Assoc., PC, 777 North Broadway, Suite # 305
Sleepy Hollow, NY 10591
(914) 366-6120
fax (914) 366-4128

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
June 27, 2013
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
New York #200515
Medicaid
NY #016823018

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1780787291. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,045
Distinct HCPCS
10
Medicare allowed
$176,319
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 206 83 $137
99214 Established patient office or other outpatient visit, 30-39 minutes 135 115 $149
45380 Biopsy of large bowel using a flexible endoscope 129 129 $152
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 117 114 $116
99204 New patient office or other outpatient visit, 45-59 minutes 117 117 $196
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 95 94 $297
45378 Diagnostic exam of large bowel using a flexible endoscope 80 79 $215
99215 Established patient office or other outpatient visit, 40-54 minutes 46 42 $209
99205 New patient office or other outpatient visit, 60-74 minutes 39 39 $258
36415 Insertion of needle into vein for collection of blood sample 32 28 $8

In context: peer comparison

Among 2 peers in this city , average services per provider: 70. This provider delivers 15× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$24
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Olympus America Inc. 1 $24.01

By nature of payment

Food and Beverage
$24

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,216
Patients
258
Total drug cost
$176,411
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 728 169 $6,800
Omeprazole Generic 181 43 $2,445
Famotidine Generic 81 21 $800
Mesalamine Generic 51 0 $36,945
Zenpep (Lipase/Protease/Amylase) Brand 40 0 $45,297
Linzess (Linaclotide) Brand 39 0 $32,644
Hydrocortisone Generic 31 25 $805
Esomeprazole Magnesium Generic 17 0 $1,169
Cholestyramine (Cholestyramine (With Sugar)) Brand 13 0 $1,154
Balsalazide Disodium Generic 12 0 $1,338

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Floyd Byfield's medical specialty?
Dr. Floyd Byfield practices Gastroenterology Physician in Sleepy Hollow, NY.
Where does Dr. Floyd Byfield practice?
Dr. Floyd Byfield practices at Westchester Gastroentrology Assoc., PC, Sleepy Hollow, NY 10591. Office phone: 9143666120.
What is Dr. Floyd Byfield's NPI?
Dr. Floyd Byfield's National Provider Identifier (NPI) is 1780787291, issued by NPPES.
Does Dr. Floyd Byfield accept Medicare assignment?
Yes. Dr. Floyd Byfield accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Floyd Byfield commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99214); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.