WILLIAM TRAVIS DIERENFELDT MD
NPI 1477591634
Internal Medicine - Gastroenterology in Manhattan, KS

Active since June 02, 2006PECOS EnrolledAccepts Medicare Assignment
1325 RESEARCH PARK DR, MANHATTAN, KS 66502(785) 537-2651 Get Directions Write a Review

NPPES record last updated: January 5, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 5, 2026, Jun 4, 2025, Jun 11, 2024 and 5 more (8 updates tracked since 2022).

About William Travis Dierenfeldt Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM TRAVIS DIERENFELDT MD (NPI 1477591634) is an individual gastroenterology provider in Manhattan, Kansas, licensed in Kansas (04-28673) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Stormont Vail Health Flint Hills, Llc, and maintains a secondary practice location in Junction City.

NPPES Registry Identity

NPI1477591634
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameWILLIAM TRAVIS DIERENFELDTCredential: MD
Location Address1325 RESEARCH PARK DRManhattan, KS 66502-5000
Mailing Address1325 Research Park DrManhattan, KS 66502-5000 · (785) 537-2651 · Fax (785) 539-0177
Sole ProprietorNo
Medical School CMSUniversity Of Missouri, Kansas City, School Of MedicineGraduated 1994
Enumeration DateJune 2, 2006
Last NPPES UpdateJanuary 5, 20268 updates tracked since enumeration
NPPES CertifiedJanuary 5, 2026
NPI 1477591634 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in KS · 04-28673
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
1325 RESEARCH PARK DR, Manhattan, KS 66502

Secondary Practice Location 1

Location 11102 Saint Marys RdJunction City, KS 66441-4139 · Phone (785) 238-0325 · Fax (785) 576-1113

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

William Travis Dierenfeldt Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6406040146
PECOS Enrollment IDI20101027000462
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
270 services270 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
254 services251 patients
Colorectal cancer screening; colonoscopy on individual at high risk G0105
Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.
98 services98 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
86 services86 patients
Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 43249
This procedure involves using a flexible tube with a camera, called an endoscope, to gently expand narrowed areas in your esophagus, stomach, or upper small bowel. A small balloon is inflated, making it easier for food and liquid to pass through. It's safe and effective.
73 services56 patients
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121
Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.
63 services62 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Stormont Vail Health Flint Hills, LLC

Acute Care Hospitals · Junction City, KS
OwnershipGovernment - Local
CMS Certification Number170074
Location1102 St Mary's RoadJunction City, KS 66441 · Geary County
Emergency services Birthing friendly

Ascension Via Christi Hospital Manhattan, Inc

Acute Care Hospitals · Manhattan, KS
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number170142
Location1823 College AveManhattan, KS 66502 · Riley County
Emergency services Birthing friendly

Manhattan Surgical Hospital LLC

Acute Care Hospitals · Manhattan, KS
OwnershipPhysician
CMS Certification Number170190
Location1829 College AvenueManhattan, KS 66502 · Riley County

Community Memorial Healthcare, Inc.

Critical Access Hospitals · Marysville, KS
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number171363
Location708 N 18th StreetMarysville, KS 66508 · Marshall County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 66502 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$122.41 typical visit price
range $53.00 – $161.67
Typical copayment $30.60 (range $13.25 – $40.41)
Most-billed visit code 99204
Established Patient
$94.12 typical visit price
range $16.88 – $132.11
Typical copayment $23.53 (range $4.22 – $33.02)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Ostomy pouch, urinary; for use on barrier with non-locking flange, with faucet-type tap with valve (2 piece), each A4432
DME-Orthotic Devices · category DF010N
2 suppliers13 claims330 services$3.36 avg. paid by Medicare
Skin barrier, wipes or swabs, each A5120
DME-Orthotic Devices · category DF010N
4 suppliers13 claims880 services$0.23 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner
1325 RESEARCH PARK DR
MANHATTAN, KS 66502
Nurse Practitioner
1325 RESEARCH PARK DR
MANHATTAN, KS 66502
Nurse Practitioner
1325 RESEARCH PARK DR
MANHATTAN, KS 66502
Nurse Practitioner
1325 RESEARCH PARK DR
MANHATTAN, KS 66502
Family Medicine
1325 RESEARCH PARK DR
MANHATTAN, KS 66502
Nurse Practitioner
1325 RESEARCH PARK DR
MANHATTAN, KS 66502
Psychiatry & Neurology (Neurology)
1325 RESEARCH PARK DR
MANHATTAN, KS 66502
Nurse Practitioner
1325 RESEARCH PARK DR
MANHATTAN, KS 66502

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Dierenfeldt's NPI number?

The NPI number for William Dierenfeldt is 1477591634. It was assigned to this individual provider in the NPPES registry on June 2, 2006.

Where is William Dierenfeldt located?

William Dierenfeldt practices at 1325 Research Park Dr, Manhattan, KS 66502. The listed phone number is (785) 537-2651.

What is William Dierenfeldt's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is William Dierenfeldt enrolled in Medicare?

Yes. William Dierenfeldt is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does William Dierenfeldt accept?

Health plans from Blue Cross and Blue Shield of Kansas, Inc. and Medica list William Dierenfeldt as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is William Dierenfeldt affiliated with any hospitals?

According to CMS data, William Dierenfeldt is affiliated with Stormont Vail Health Flint Hills, LLC, Ascension Via Christi Hospital Manhattan, Inc, Manhattan Surgical Hospital LLC and Community Memorial Healthcare, Inc..

When was this NPI record last updated?

The NPPES record for William Dierenfeldt was last updated on January 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.