Doctor profile · Federal record

Dr. Nicholas Day, MD

Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Clifton Springs, NY

  • NPI 1376862227
  • Accepts Medicare
  • MIPS 85.3 / 100 · 2023
  • 16 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
2 Coulter RD Ste 1740
Clifton Springs, NY 144321122
(315) 462-9478
fax (315) 462-6707
Additional location
1304 Driving Park Ave
Newark, NY 145131059
(315) 359-2130
fax (315) 359-2139
Additional location
601 Elmwood Ave, Box 646
Rochester, NY 146420001
(585) 275-4711
Show 1 more location
Additional location
875 Pre Emption RD
Geneva, NY 144562042
Mailing address
601 Elmwood Ave, Box 646
Rochester, NY 146420001

Credentials & registration

NPPES · NUCC
NPI registered
May 2010 — 16 yrs on file
Profile last updated
September 12, 2022
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
New York #283388 · Michigan #4301096131

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376862227. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
435
Distinct HCPCS
10
Medicare allowed
$42,095
HCPCS Description Services Patients Avg allowed
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito 154 141 $5
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 66 66 $242
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 45 45 $108
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 36 36 $97
99213 Established patient office or other outpatient visit, 20-29 minutes 36 28 $86
43249 Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 24 23 $139
45380 Biopsy of large bowel using a flexible endoscope 24 24 $134
99214 Established patient office or other outpatient visit, 30-39 minutes 19 18 $125
45378 Diagnostic exam of large bowel using a flexible endoscope 18 16 $160
99204 New patient office or other outpatient visit, 45-59 minutes 13 13 $162

In context: peer comparison

Among 2 peers in this city , average services per provider: 39. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
734
Patients
186
Total drug cost
$389,281
Drug Type Claims Patients Total cost
Omeprazole Generic 200 74 $2,922
Pantoprazole Sodium Generic 150 51 $2,739
Famotidine Generic 81 29 $2,112
Colestipol Hcl Generic 55 20 $4,343
Dicyclomine Hcl Generic 37 12 $811
Humira(Cf) Pen (Adalimumab) Brand 37 0 $258,258
Mesalamine Generic 31 0 $32,828
Esomeprazole Magnesium Generic 22 0 $1,447
Budesonide Dr (Budesonide) Brand 20 0 $4,082
Lansoprazole Generic 20 0 $652

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholas Day's medical specialty?
Dr. Nicholas Day practices Gastroenterology Physician in Clifton Springs, NY.
Where does Dr. Nicholas Day practice?
Dr. Nicholas Day practices at 2 Coulter RD Ste 1740, Clifton Springs, NY 144321122. Office phone: 3154629478.
What is Dr. Nicholas Day's NPI?
Dr. Nicholas Day's National Provider Identifier (NPI) is 1376862227, issued by NPPES.
Does Dr. Nicholas Day accept Medicare assignment?
Yes. Dr. Nicholas Day accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Day commonly perform?
Top Medicare-reported procedures in 2023: Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (HCPCS G0500); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.