Doctor profile · Federal record
Dr. John Mengshol, MD
Gastroenterology Physician (CMS: Gastroenterology) · Louisville, CO
- NPI 1932255544
- Accepts Medicare
- MIPS 93.3 / 100 · 2023
- 23 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
382 S Arthur Ave, B146
Louisville, CO 800273094
(303) 604-5000
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- June 28, 2016
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Colorado #44034
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1932255544. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
493
Distinct HCPCS
10
Medicare allowed
$68,128
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 101 | 71 | $97 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 68 | 67 | $181 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 67 | 66 | $113 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 59 | 59 | $133 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 55 | 55 | $147 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 46 | 45 | $245 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 21 | 20 | $145 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 19 | 19 | $175 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 18 | 17 | $64 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 14 | 14 | $114 |
In context: peer comparison
Among 1 peers in Louisville Gastroenterology Physician, average services per provider: 41. This provider delivers 12× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
473
Patients
277
Total drug cost
$89,530
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 104 | 102 | $8,228 |
| Gavilyte-C (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 73 | 72 | $1,434 |
| Omeprazole | Generic | 62 | 28 | $1,112 |
| Linzess (Linaclotide) | Brand | 43 | 12 | $42,828 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 37 | 37 | $1,079 |
| Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) | Brand | 26 | 26 | $4,607 |
| Pantoprazole Sodium | Generic | 24 | 0 | $322 |
| Ondansetron Odt (Ondansetron) | Brand | 16 | 0 | $754 |
| Esomeprazole Magnesium | Generic | 15 | 0 | $3,318 |
| Dicyclomine Hcl | Generic | 14 | 0 | $286 |
Frequently asked questions
What is Dr. John Mengshol's medical specialty?
Dr. John Mengshol practices Gastroenterology Physician in Louisville, CO.
Where does Dr. John Mengshol practice?
Dr. John Mengshol practices at 382 S Arthur Ave, Louisville, CO 800273094. Office phone: 3036045000.
What is Dr. John Mengshol's NPI?
Dr. John Mengshol's National Provider Identifier (NPI) is 1932255544, issued by NPPES.
Does Dr. John Mengshol accept Medicare assignment?
Yes. Dr. John Mengshol accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Mengshol commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Diagnostic exam of large bowel using a flexible endoscope (HCPCS 45378); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.