William Travis Dierenfeldt, MD
Gastroenterology Physician · Manhattan, KS
William Travis Dierenfeldt, MD is a gastroenterology physician with a practice address in Manhattan, Kansas, and NPI 1477591634, issued on Jun 2, 2006. Check the license (Kansas 04-28673, as entered in NPPES) on the Kansas State Board of Healing Arts; the Medicare figures below come from public CMS files.
- Name
- William Travis Dierenfeldt
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 04-28673 KS
Self-reported in NPPES; status is on the state search - Practice location
- 1325 Research Park Dr, Manhattan, KS 66502
- Phone
- (785) 537-2651
- Enumerated
- Jun 2, 2006
- Record last updated
- Jan 5, 2026
- Medicare enrollment
- Enrolled (PECOS I20101027000462); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Kansas City, School Of Medicine, 1994
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 111 in Kansas → Look up another NPI →
Also registered at 1325 Research Park Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michelle Boggs, APRNPsychiatric/Mental Health Nurse Practitioner1750835070
- Holly Brannen, APRN-CNurse Practitioner1285034348
- Kaitlynn Christiansen, MDFamily Medicine Physician1558862490
- Scott Coonrod, MDInternal Medicine Physician1952379869
- Samantha Davis, DNPFamily Medicine Physician1548911605
- Brett Dawes, APRNNurse Practitioner1366972390
Verify William Travis Dierenfeldt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKansas State Board of Healing Arts
Search for license 04-28673Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% fewer Medicare Part D claims than the average gastroenterology physician in 2024
767 Medicare Part D claims for 195 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Pantoprazole Sodium340 claims
- Omeprazole140 claims
- Famotidine25 claims
- Budesonide Dr21 claims
- Dicyclomine Hcl21 claims
- Sucralfate20 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
- Cotton-O'Neil Clinic Revocable TrustManhattan, KS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Travis Dierenfeldt among 111 gastroenterology physician records in Kansas
William Travis Dierenfeldt, MD is one of 111 gastroenterology physician records with a practice address in Kansas. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 50% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1994 · median 2001 among the 69 with a school on file
- Record last updated2026 · 34% 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 Kansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Kansas
There are 111 gastroenterology physician records in Kansas.
All 111 in Kansas → Every provider in Manhattan → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Molly Disbrow, MDManhattan, KS 665021730444886
- Paul Zachary, MDManhattan, KS 665021578532214
- Khalil Abuamr, MDTopeka, KS 666061811203292
- Curtis Baum, MDTopeka, KS 666061861401390
- Robert Braun, MDTopeka, KS 666061285643072
- Shekhar Challa, MDTopeka, KS 666061144291733
- Balaji Datti, M.D.Topeka, KS 666061356552095
- Ahmed HmidatTopeka, KS 666061669081691
Common questions
What is William Travis Dierenfeldt, MD's NPI number?
William Travis Dierenfeldt, MD's National Provider Identifier (NPI) is 1477591634, issued on Jun 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Travis Dierenfeldt, MD located?
The NPPES record lists a practice address at 1325 Research Park Dr, Manhattan, KS, 66502. Phone: (785) 537-2651. Providers update this record themselves, so call before visiting.
How can I verify William Travis Dierenfeldt, MD's license?
NPPES lists Kansas license number 04-28673, as entered by the provider. Search the Kansas State Board of Healing Arts at https://www.ksbha.ks.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Travis Dierenfeldt, MD prescribe under Medicare Part D?
In 2024, William Travis Dierenfeldt, MD had 767 Medicare Part D claims for 195 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.