Andrew Lewis Samuelson, M.D.
Gastroenterology Physician · Lafayette, CO
Andrew Lewis Samuelson, M.D. is a gastroenterology physician with a practice address in Lafayette, Colorado, and NPI 1215119516, issued on Nov 29, 2007. Check the license (Colorado 048988, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Andrew Lewis Samuelson
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 048988 CO
P5129 TX
Self-reported in NPPES; status is on the state search - Practice location
- 280 Exempla Cir, Lafayette, CO 80026
- Phone
- (303) 338-4545
- Enumerated
- Nov 29, 2007
- Record last updated
- Dec 11, 2025
- Medicaid ID
- 95257349 CO
- Medicare enrollment
- Enrolled (PECOS I20141021000418); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Denver, 2007
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 334 in Colorado → Look up another NPI →
Also registered at 280 Exempla Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Phyllis Acker, RNRheumatology Physician1821125709
- Brian AcresAmbulatory Care Registered Nurse1174865752
- Jennifer AirhartNurse's Aide1336276310
- Alice Albert, ODOptometrist1639206683
- Jill Allen, R.N.Registered Nurse1114043726
- Sandra AllenNurse's Aide1760519789
Verify Andrew Lewis Samuelson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 048988Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% more Medicare Part D claims than the average gastroenterology physician in 2024
888 Medicare Part D claims for 530 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Gavilyte-C398 claims
- Omeprazole208 claims
- Pantoprazole Sodium58 claims
- Budesonide Dr42 claims
- Mesalamine34 claims
- Ursodiol26 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.
Bills Medicare through one group practice
- Colorado Permanente Medical Group PCLafayette, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew Lewis Samuelson among 334 gastroenterology physician records in Colorado
Andrew Lewis Samuelson, M.D. 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
- Graduated2007 · median 2003 among the 258 with a school on file
- Record last updated2025 · 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 Lafayette → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- 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
- Wesley Kasen, MDLafayette, CO 800261366503823
- Daus Mahnke, M.D.Lafayette, CO 800261306878566
- John Napierkowski, M.D.Lafayette, CO 800261801877683
Common questions
What is Andrew Lewis Samuelson, M.D.'s NPI number?
Andrew Lewis Samuelson, M.D.'s National Provider Identifier (NPI) is 1215119516, issued on Nov 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Lewis Samuelson, M.D. located?
The NPPES record lists a practice address at 280 Exempla Cir, Lafayette, CO, 80026. Phone: (303) 338-4545. Providers update this record themselves, so call before visiting.
How can I verify Andrew Lewis Samuelson, M.D.'s license?
NPPES lists Colorado license number 048988, 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 Andrew Lewis Samuelson, M.D. prescribe under Medicare Part D?
In 2024, Andrew Lewis Samuelson, M.D. had 888 Medicare Part D claims for 530 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
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.