Doctor profile · Federal record
Dr. Leonard Stein, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Garden City, NY
- NPI 1700990272
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 40 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1103 Stewart Ave
Garden City, NY 115304886
(516) 248-3737
fax (516) 248-7304
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- July 18, 2012
- Year of graduation
- 1986 — 40 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- New York #171775
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1700990272. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
984
Distinct HCPCS
9
Medicare allowed
$146,155
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 469 | 308 | $148 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 234 | 194 | $105 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 97 | 97 | $195 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 48 | 48 | $133 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 42 | 41 | $297 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 39 | 39 | $124 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 29 | 27 | $145 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 14 | 13 | $193 | |
G0121 |
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 12 | 12 | $217 |
In context: peer comparison
Among 11 peers in this city , average services per provider: 87. This provider delivers 11× the peer median.Open Payments
Industry payments received
All-time total
$31
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Gilead Sciences, Inc. | 1 | $31.17 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
887
Patients
366
Total drug cost
$145,704
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 314 | 112 | $4,527 |
| Famotidine | Generic | 199 | 90 | $2,621 |
| Omeprazole | Generic | 142 | 53 | $1,482 |
| Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) | Brand | 60 | 60 | $10,164 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) | Brand | 33 | 33 | $2,288 |
| Azathioprine | Generic | 27 | 0 | $701 |
| Xifaxan (Rifaximin) | Brand | 24 | 18 | $73,477 |
| Ursodiol | Generic | 22 | 0 | $6,829 |
| Mesalamine | Generic | 17 | 0 | $16,322 |
| Esomeprazole Magnesium | Generic | 13 | 0 | $679 |
Hospital affiliations
Frequently asked questions
What is Dr. Leonard Stein's medical specialty?
Dr. Leonard Stein practices Gastroenterology Physician in Garden City, NY.
Where does Dr. Leonard Stein practice?
Dr. Leonard Stein practices at 1103 Stewart Ave, Garden City, NY 115304886. Office phone: 5162483737.
What is Dr. Leonard Stein's NPI?
Dr. Leonard Stein's National Provider Identifier (NPI) is 1700990272, issued by NPPES.
Does Dr. Leonard Stein accept Medicare assignment?
Yes. Dr. Leonard Stein accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leonard Stein commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.