John Andrew Mengshol, MD
Gastroenterology Physician · Louisville, CO
John Andrew Mengshol, MD is a gastroenterology physician with a practice address in Louisville, Colorado, and NPI 1932255544, issued on Jan 26, 2007. Check the license (Colorado 44034, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Andrew Mengshol
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 44034 CO
Self-reported in NPPES; status is on the state search - Practice location
- 382 S Arthur Ave, Louisville, CO 80027
- Phone
- (303) 604-5000
- Enumerated
- Jan 26, 2007
- Record last updated
- Jun 28, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090707000254); accepts Medicare assignment
- Medical or professional school
- Geisel School Of Medicine At Dartmouth, 2003
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 334 in Colorado → Look up another NPI →
Also registered at 382 S Arthur Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Catherine Brady, PAMedical Physician Assistant1598122475
- Amy Fayling, M.D.Anatomic Pathology Physician1992917678
- Emily Stewart, PA-CMedical Physician Assistant1790338366
- Eric Swartz, CRNACertified Registered Nurse Anesthetist1114388873
Verify John Andrew Mengshol in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 44034Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average gastroenterology physician in 2024
638 Medicare Part D claims for 380 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Gavilyte-C136 claims
- Sod Sulf-Potass Sulf-Mag Sulf99 claims
- Omeprazole66 claims
- Pantoprazole Sodium29 claims
- Linzess22 claims
- Esomeprazole Magnesium19 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- University Physicians IncorporatedHighlands Ranch, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Andrew Mengshol among 334 gastroenterology physician records in Colorado
John Andrew Mengshol, MD is one of 334 gastroenterology physician records with a practice address in Colorado. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 47% of them.
- NPI issued2007 · 47% of these records are older, 37% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2003 · median 2003 among the 258 with a school on file
- Record last updated2016 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Colorado
There are 334 gastroenterology physician records in Colorado.
All 334 in Colorado → Every provider in Louisville → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Korina Bersentes, M.D.Superior, CO 800271447282603
- Scott Hallgren, D.O., F.A.C.P.Louisville, CO 800271205929841
- Colin Leffert, DOLouisville, CO 800271881127140
- William Berry, MDLafayette, CO 800261356471296
- Erica Boettcher, MDLafayette, CO 800261609038454
- Joseph Cassara, M.D.Lafayette, CO 800261275755290
- Britt Drake, M.D.Lafayette, CO 800261306976170
- Kerri Glassner, D.O.Lafayette, CO 800261568872778
Common questions
What is John Andrew Mengshol, MD's NPI number?
John Andrew Mengshol, MD's National Provider Identifier (NPI) is 1932255544, issued on Jan 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Andrew Mengshol, MD located?
The NPPES record lists a practice address at 382 S Arthur Ave, Louisville, CO, 80027. Phone: (303) 604-5000. Providers update this record themselves, so call before visiting.
How can I verify John Andrew Mengshol, MD's license?
NPPES lists Colorado license number 44034, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Andrew Mengshol, MD prescribe under Medicare Part D?
In 2024, John Andrew Mengshol, MD had 638 Medicare Part D claims for 380 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is John Andrew Mengshol, MD's MIPS final score?
The 2023 MIPS final score is 97.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.