Nicholas J. Day, MD
Gastroenterology Physician · Clifton Springs, NY
Nicholas J. Day, MD is a gastroenterology physician with a practice address in Clifton Springs, New York, and NPI 1376862227, issued on May 18, 2010. Check the license (New York 283388, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Nicholas J. Day
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 283388 NY
4301096131 MI
Self-reported in NPPES; status is on the state search - Practice location
- 2 Coulter RD Ste 1740, Clifton Springs, NY 14432
- Phone
- (315) 462-9478
- Enumerated
- May 18, 2010
- Record last updated
- Sep 12, 2022
- Fax
- (315) 462-6707
- Medicare enrollment
- Enrolled (PECOS I20170710002814); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,797 in New York → Look up another NPI →
Verify Nicholas J. Day in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 283388Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% fewer Medicare Part D claims than the average gastroenterology physician in 2024
738 Medicare Part D claims for 223 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Omeprazole163 claims
- Pantoprazole Sodium100 claims
- Famotidine48 claims
- Colestipol Hcl43 claims
- Dicyclomine Hcl31 claims
- Ursodiol30 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 95.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
2 hospitals and group practices
- Rochester General HospitalNewark, NY · Acute Care Hospitals2 of 5 stars
- Clifton Springs Sanitarium COClifton Springs, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Nicholas J. Day among 1,797 gastroenterology physician records in New York
Nicholas J. Day, MD is one of 1,797 gastroenterology physician records with a practice address in New York. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 73% of them.
- NPI issued2010 · 73% of these records are older, 25% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2010 · median 1999 among the 1,378 with a school on file
- Record last updated2022 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in New York
There are 1,797 gastroenterology physician records in New York.
All 1,797 in New York → Every provider in Clifton Springs → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Daniel Biery, DOClifton Springs, NY 144321952323339
- Robert Helft, DOClifton Springs, NY 144321871515304
- Raymond Thomas, MDCanandaigua, NY 144241811034275
- Howard Merzel, M.D.Geneseo, NY 144541447233002
- Angel Diaz, M.D.Geneva, NY 144561114946415
- Henry Leguyader, M.D.Geneva, NY 144561316962251
- Blessing Rees, MD, MPHGeneva, NY 144561619471950
- Mohamed Alsalahi, M.D.Newark, NY 145131881605749
Common questions
What is Nicholas J. Day, MD's NPI number?
Nicholas J. Day, MD's National Provider Identifier (NPI) is 1376862227, issued on May 18, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas J. Day, MD located?
The NPPES record lists a practice address at 2 Coulter RD Ste 1740, Clifton Springs, NY, 14432. Phone: (315) 462-9478. Providers update this record themselves, so call before visiting.
How can I verify Nicholas J. Day, MD's license?
NPPES lists New York license number 283388, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nicholas J. Day, MD prescribe under Medicare Part D?
In 2024, Nicholas J. Day, MD had 738 Medicare Part D claims for 223 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Nicholas J. Day, MD's MIPS final score?
The 2023 MIPS final score is 95.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.