Doctor profile · Federal record
Dr. Leslie Massey, D.O.
Gastroenterology Physician (CMS: Gastroenterology) · Carson City, NV
- NPI 1699186585
- Accepts Medicare
- MIPS 93.3 / 100 · 2023
- 12 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1385 Vista Ln
Carson City, NV 897034643
(775) 329-4600
fax (775) 329-3992 - Additional location
-
620 Shadow Lane
Las Vegas, NV 891064194
(702) 388-8436
fax (702) 388-8431
Credentials & registration
- NPI registered
- May 2014 — 12 yrs on file
- Profile last updated
- October 30, 2020
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Nevada #DO2240
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1699186585. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
903
Distinct HCPCS
10
Medicare allowed
$137,805
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 157 | 155 | $76 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 142 | 140 | $255 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 133 | 133 | $169 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 120 | 105 | $129 | |
G0121 |
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 62 | 61 | $181 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 45 | 45 | $152 | |
43249 |
Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | 43 | 40 | $154 | |
43248 |
Insertion of guide wire with dilation of esophagus using a flexible endoscope | 38 | 37 | $163 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 20 | 20 | $114 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 19 | 19 | $176 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 50. This provider delivers 18× the peer median.Open Payments
Industry payments received
All-time total
$1,422
Transactions
60
Manufacturers
13
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 31 | $614.84 | |
| Madrigal Pharmaceuticals | 6 | $194.78 | |
| Gilead Sciences, Inc. | 2 | $132.86 | |
| GENZYME CORPORATION | 4 | $122.42 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 4 | $77.16 | |
| AIMMUNE THERAPEUTICS, INC. | 2 | $55.87 | |
| PFIZER INC. | 3 | $50.08 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 2 | $48.50 | |
| QOL Medical, LLC | 1 | $35.53 | |
| Janssen Biotech, Inc. | 2 | $31.62 | |
| Phathom Pharmaceuticals, Inc. | 1 | $22.79 | |
| Regeneron Healthcare Solutions, Inc. | 1 | $21.07 | |
| Intercept Pharmaceuticals, Inc. | 1 | $14.05 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
877
Patients
359
Total drug cost
$156,721
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 218 | 91 | $3,831 |
| Pantoprazole Sodium | Generic | 201 | 94 | $5,397 |
| Famotidine | Generic | 116 | 41 | $1,960 |
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 76 | 72 | $1,318 |
| Dicyclomine Hcl | Generic | 42 | 23 | $832 |
| Amitriptyline Hcl | Generic | 40 | 0 | $358 |
| Sucralfate | Generic | 35 | 25 | $1,656 |
| Esomeprazole Magnesium | Generic | 24 | 0 | $3,490 |
| Creon (Lipase/Protease/Amylase) | Brand | 21 | 0 | $81,732 |
| Zenpep (Lipase/Protease/Amylase) | Brand | 21 | 0 | $47,820 |
Frequently asked questions
What is Dr. Leslie Massey's medical specialty?
Dr. Leslie Massey practices Gastroenterology Physician in Carson City, NV.
Where does Dr. Leslie Massey practice?
Dr. Leslie Massey practices at 1385 Vista Ln, Carson City, NV 897034643. Office phone: 7753294600.
What is Dr. Leslie Massey's NPI?
Dr. Leslie Massey's National Provider Identifier (NPI) is 1699186585, issued by NPPES.
Does Dr. Leslie Massey accept Medicare assignment?
Yes. Dr. Leslie Massey accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leslie Massey commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.