Doctor profile · Federal record
Dr. Leon McLean, MD
Gastroenterology Physician (CMS: Gastroenterology) · Derry, NH
- NPI 1457495806
- Accepts Medicare
- 20 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
6 Tsienneto RD Ste 301
Derry, NH 030381584
(603) 432-8802
fax (603) 432-8802
Credentials & registration
- NPI registered
- February 2007 — 19 yrs on file
- Profile last updated
- March 8, 2017
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- New Hampshire #NH17841
- Medicaid
- NH #420209100
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1457495806. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
820
Distinct HCPCS
10
Medicare allowed
$114,712
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 269 | 177 | $127 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 146 | 143 | $246 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 115 | 114 | $103 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 79 | 74 | $89 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 66 | 65 | $92 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 37 | 37 | $111 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 25 | 25 | $167 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 23 | 23 | $174 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 20 | 20 | $175 | |
45381 |
Injection beneath lining of large bowel using a flexible endoscope | 16 | 16 | $15 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 71. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$23,498
Transactions
60
Manufacturers
9
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 41 | $17,028.78 | |
| E.R. Squibb & Sons, L.L.C. | 7 | $6,128.49 | |
| Celgene Corporation | 6 | $228.08 | |
| PFIZER INC. | 1 | $24.97 | |
| QOL Medical, LLC | 1 | $21.09 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 1 | $20.60 | |
| Janssen Biotech, Inc. | 1 | $15.67 | |
| Celltrion USA Inc. | 1 | $15.45 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 1 | $14.57 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
261
Patients
105
Total drug cost
$301,016
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 121 | 50 | $2,385 |
| Omeprazole | Generic | 36 | 16 | $635 |
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 32 | 28 | $632 |
| Famotidine | Generic | 23 | 11 | $402 |
| Humira(Cf) Pen (Adalimumab) | Brand | 22 | 0 | $181,655 |
| Esomeprazole Magnesium | Generic | 14 | 0 | $1,089 |
| Zeposia (Ozanimod Hydrochloride) | Brand | 13 | 0 | $114,218 |
Hospital affiliations
Frequently asked questions
What is Dr. Leon McLean's medical specialty?
Dr. Leon McLean practices Gastroenterology Physician in Derry, NH.
Where does Dr. Leon McLean practice?
Dr. Leon McLean practices at 6 Tsienneto RD Ste 301, Derry, NH 030381584. Office phone: 6034328802.
What is Dr. Leon McLean's NPI?
Dr. Leon McLean's National Provider Identifier (NPI) is 1457495806, issued by NPPES.
Does Dr. Leon McLean accept Medicare assignment?
Yes. Dr. Leon McLean accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leon McLean commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.