Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. BENJAMIN E CASSELL MD
NPI 1184885790
Internal Medicine - Gastroenterology in Aurora, CO

Active since June 17, 2008PECOS EnrolledAccepts Medicare Assignment
91.11/100
CMS Quality Rating
1700 WHEELING ST, AURORA, CO 80045(720) 848-2777 Get Directions Write a Review

NPPES record last updated: October 16, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Benjamin E Cassell Md NPPES

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

DR. BENJAMIN E CASSELL MD (NPI 1184885790) is an individual gastroenterology provider in Aurora, Colorado, licensed in Colorado (DR.0057138) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, maintains a secondary practice location in Denver, and is a graduate of University Of Texas Southwestern Medical School At Dallas (2008).

NPPES Registry Identity

NPI1184885790
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. BENJAMIN E CASSELLCredential: MD
Location Address1700 WHEELING STAurora, CO 80045-7211
Mailing AddressPo Box 110429Aurora, CO 80042-0429
Sole ProprietorNo
Medical School CMSUniversity Of Texas Southwestern Medical School At DallasGraduated 2008
Enumeration DateJune 17, 2008
Last NPPES UpdateOctober 16, 2026
NPPES CertifiedOctober 16, 2026
✔ NPI 1184885790 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses✔ Licensed in CO · DR.0057138✔ Licensed in MO · 2011007282
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.
1700 WHEELING ST, Aurora, CO 80045

Secondary Practice Location 1

Location 11055 Clermont StDenver, CO 80220-3808 · Phone (303) 399-8020

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Benjamin E Cassell 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 ID143407668
PECOS Enrollment IDI20160908002166
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Benjamin Cassell reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pediatrics
13123 E 16TH AVE
Aurora, CO 80045
  • Reassigned Medicare billing, Colorado enrollment
  • 4,283 clinicians in this Medicare group
General Practice
777 BANNOCK ST
Denver, CO 80204
  • Reassigned Medicare billing, Colorado enrollment
  • 2,259 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
20 services13 patients
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.
16 services16 patients
Diagnostic exam of large bowel using a flexible endoscope 45378
This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.
14 services14 patients
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235
This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.
13 services12 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
13 services13 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.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80045 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
$132.55 typical visit price
range $58.06 – $174.82
Typical copayment $33.13 (range $14.51 – $43.70)
Most-billed visit code 99204
Established Patient
$102.03 typical visit price
range $18.88 – $142.79
Typical copayment $25.50 (range $4.72 – $35.69)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.11/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality90.23
Promoting Interoperability88
Improvement Activities40
Cost73.49

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.

Pharmacist (Pharmacotherapy)
1700 WHEELING ST
AURORA, CO 80045
Physical Therapist
1700 WHEELING ST
AURORA, CO 80045
Registered Nurse
1700 WHEELING ST
AURORA, CO 80045
Registered Nurse
1700 WHEELING ST
AURORA, CO 80045
Registered Nurse (Wound Care)
1700 WHEELING ST
AURORA, CO 80045
Internal Medicine
1700 WHEELING ST
AURORA, CO 80045
Nurse Practitioner (Adult Health)
1700 WHEELING ST
AURORA, CO 80045
Recreation Therapist
1700 WHEELING ST
AURORA, CO 80045

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 Benjamin Cassell's NPI number?

The NPI number for Benjamin Cassell is 1184885790. It was assigned to this individual provider in the NPPES registry on June 17, 2008.

Where is Benjamin Cassell located?

Benjamin Cassell practices at 1700 Wheeling St, Aurora, CO 80045. The listed phone number is (720) 848-2777.

What is Benjamin Cassell's specialty?

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

Is Benjamin Cassell enrolled in Medicare?

Yes. Benjamin Cassell 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.

Which organizations bill Medicare for Benjamin Cassell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Benjamin Cassell reassigns Medicare benefits to 2 organizations: University Physicians Incorporated (Aurora, CO) and Denver Health And Hospital Authority (Denver, CO). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Benjamin Cassell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Benjamin Cassell accept?

Health plans from Select Health and UnitedHealthcare list Benjamin Cassell 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.

When was this NPI record last updated?

The NPPES record for Benjamin Cassell was last updated on October 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days 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.