Nathan J. Susnow, MD
Gastroenterology Physician · Lafayette, CO
Nathan J. Susnow, MD is a gastroenterology physician with a practice address in Lafayette, Colorado, and NPI 1396891974, issued on Jan 26, 2007. Check the license (Colorado DR.0054243, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Nathan J. Susnow
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- DR.0054243 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1000 W South Boulder RD Ste 200, Lafayette, CO 80026
- Phone
- (720) 932-7719
- Enumerated
- Jan 26, 2007
- Record last updated
- Apr 17, 2025
- Fax
- (720) 890-0364
- Medicaid ID
- 53276311 CO
- Medicare enrollment
- Enrolled (PECOS I20141217000760); accepts Medicare assignment
- Medical or professional school
- University Of Texas Southwestern Medical School At Dallas, 2004
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 334 in Colorado → Look up another NPI →
Also registered at 1000 W South Boulder RD Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emily Marshall, PA-CMedical Physician Assistant1811285307
- Katie Vieira, PA-CPhysician Assistant1114471562
Verify Nathan J. Susnow in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0054243Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average gastroenterology physician in 2024
517 Medicare Part D claims for 227 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Omeprazole97 claims
- Gavilyte-C96 claims
- Pantoprazole Sodium56 claims
- Furosemide24 claims
- Spironolactone23 claims
- Xifaxan23 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.
Industry payments in 2024: $2,192.47
110 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Boulder Valley Gastroenterology Inc.Lafayette, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathan J. Susnow among 334 gastroenterology physician records in Colorado
Nathan J. Susnow, 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
- Graduated2004 · 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 Nathan J. Susnow, MD's NPI number?
Nathan J. Susnow, MD's National Provider Identifier (NPI) is 1396891974, issued on Jan 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Nathan J. Susnow, MD located?
The NPPES record lists a practice address at 1000 W South Boulder RD Ste 200, Lafayette, CO, 80026. Phone: (720) 932-7719. Providers update this record themselves, so call before visiting.
How can I verify Nathan J. Susnow, MD's license?
NPPES lists Colorado license number DR.0054243, 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 Nathan J. Susnow, MD prescribe under Medicare Part D?
In 2024, Nathan J. Susnow, MD had 517 Medicare Part D claims for 227 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.