Louis D. May, M.D.
Gastroenterology Physician · New City, NY
Louis D. May, M.D. is a gastroenterology physician with a practice address in New City, New York, and NPI 1164426987, issued on Jun 9, 2005. Check the license (New York 153768, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Louis D. May
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 153768 NY
042.0018332 VT
Self-reported in NPPES; status is on the state search - Practice location
- 500 New Hempstead RD, New City, NY 10956
- Phone
- (845) 362-3200
- Enumerated
- Jun 9, 2005
- Record last updated
- Aug 20, 2025
- Fax
- (845) 362-4464
- Medicaid IDs
- 6721057 VT
00766087 NY - Medicare enrollment
- Enrolled (PECOS I20100917000301); accepts Medicare assignment
- Medical or professional school
- University Of Miami, Lm Miller School Of Medicine, 1978
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,797 in New York → Look up another NPI →
Also registered at 500 New Hempstead RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kenneth Banner, MDGastroenterology Physician1790917813
- Eugene Bass, DMDGeneral Practice Dentistry1730108580
- Miriam Bobroff, LCSWClinical Social Worker1649557349
- Mel Citrin, D.M.D.Orthodontics and Dentofacial Orthopedics Dentistry1902879422
- Stephen Goodman, M.D.Gastroenterology Physician1154325744
- Michael Kram, M.D.Gastroenterology Physician1245234830
Verify Louis D. May 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 153768Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% more Medicare Part D claims than the average gastroenterology physician in 2024
1,557 Medicare Part D claims for 513 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Famotidine485 claims
- Omeprazole358 claims
- Pantoprazole Sodium112 claims
- Sod Sulf-Potass Sulf-Mag Sulf55 claims
- Metronidazole48 claims
- Clenpiq46 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): 28.3 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).
Industry payments in 2024: $551.18
32 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Bon Secours Charity Health System Medical Group, P.C.Suffern, NY
- Copley Hospital IncMorrisville, VT
- Gastrointestinal Care OF Long Island PLLCMassapequa, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Louis D. May among 1,797 gastroenterology physician records in New York
Louis D. May, M.D. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1978 · median 1999 among the 1,378 with a school on file
- Record last updated2025 · 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 New City → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Kenneth Banner, MDNew City, NY 109561790917813
- Sam Friedman, M.D.New City, NY 109561619918109
- Stephen Goodman, M.D.New City, NY 109561154325744
- Michael Kram, M.D.New City, NY 109561245234830
- Winson Lo, M.D.New City, NY 109561508860107
- Sharon Molinas, M.D.New City, NY 109561063416659
- Joshua Olstein, MDNew City, NY 109561346446580
- James Vela, M.D.New City, NY 109561699779298
Common questions
What is Louis D. May, M.D.'s NPI number?
Louis D. May, M.D.'s National Provider Identifier (NPI) is 1164426987, issued on Jun 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Louis D. May, M.D. located?
The NPPES record lists a practice address at 500 New Hempstead RD, New City, NY, 10956. Phone: (845) 362-3200. Providers update this record themselves, so call before visiting.
How can I verify Louis D. May, M.D.'s license?
NPPES lists New York license number 153768, 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 Louis D. May, M.D. prescribe under Medicare Part D?
In 2024, Louis D. May, M.D. had 1,557 Medicare Part D claims for 513 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Louis D. May, M.D.'s MIPS final score?
The 2023 MIPS final score is 28.3 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.