Doctor profile · Federal record
Dr. Louis May, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Gastroenterology Physician · New City, NY
- NPI 1164426987
- Accepts Medicare
- MIPS 28.3 / 100 · 2023
- 48 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
500 New Hempstead RD
New City, NY 109561132
(845) 362-3200
fax (845) 362-4464 - Additional location
-
528 Washington Hwy
Morrisville, VT 056618973
(802) 888-8888
fax (802) 888-8131
Credentials & registration
- NPI registered
- June 2005 — 21 yrs on file
- Profile last updated
- August 20, 2025
- Year of graduation
- 1978 — 48 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State licenses (2)
- New York #153768 · Vermont #042.0018332
- Medicaid (2)
- VT #6721057 · NY #00766087
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1164426987. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,154
Distinct HCPCS
10
Medicare allowed
$258,673
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 173 | 159 | $148 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 172 | 125 | $91 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 104 | 100 | $450 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 97 | 97 | $404 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 96 | 96 | $195 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 90 | 77 | $105 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 75 | 75 | $530 | |
36415 |
Insertion of needle into vein for collection of blood sample | 61 | 45 | $8 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 57 | 50 | $106 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 41 | 41 | $199 |
In context: peer comparison
Among 4 peers in New City Gastroenterology Physician, average services per provider: 54. This provider delivers 21× the peer median.Open Payments
Industry payments received
All-time total
$551
Transactions
32
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 22 | $335.96 | |
| Gilead Sciences, INC. | 5 | $97.25 | |
| Ferring Pharmaceuticals INC. | 2 | $52.28 | |
| Takeda Pharmaceuticals U.S.A., INC. | 1 | $26.25 | |
| Blueprint Medicines Corporation | 1 | $23.48 | |
| Pfizer INC. | 1 | $15.96 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,294
Patients
494
Total drug cost
$214,353
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Famotidine | Generic | 461 | 153 | $7,794 |
| Omeprazole | Generic | 360 | 119 | $5,343 |
| Pantoprazole Sodium | Generic | 108 | 34 | $1,601 |
| Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) | Brand | 71 | 71 | $12,162 |
| Metronidazole | Generic | 51 | 40 | $468 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 42 | 41 | $3,084 |
| Linzess (Linaclotide) | Brand | 39 | 15 | $33,662 |
| Esomeprazole Magnesium | Generic | 33 | 0 | $2,353 |
| Mesalamine | Generic | 24 | 0 | $48,496 |
| Lansoprazole | Generic | 22 | 0 | $1,083 |
Hospital affiliations
Frequently asked questions
What is Dr. Louis May's medical specialty?
Dr. Louis May practices Gastroenterology Physician in New City, NY.
Where does Dr. Louis May practice?
Dr. Louis May practices at 500 New Hempstead RD, New City, NY 109561132. Office phone: 8453623200.
What is Dr. Louis May's NPI?
Dr. Louis May's National Provider Identifier (NPI) is 1164426987, issued by NPPES.
Does Dr. Louis May accept Medicare assignment?
Yes. Dr. Louis May accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Louis May commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.