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OLIVER W CASS MD
NPI 1497702310
Internal Medicine - Gastroenterology in Minneapolis, MN

Active since May 27, 2006PECOS Enrolled
6500 EXCELSIOR BLVD, STE 4-820, MINNEAPOLIS, MN 55404(952) 993-2640 Get Directions Write a Review

NPPES record last updated: July 16, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Oliver W Cass Md NPPES

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

OLIVER W CASS MD (NPI 1497702310) is an individual gastroenterology provider in Minneapolis, Minnesota, licensed in Minnesota (24967) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1497702310
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameOLIVER W CASSCredential: MD
Location Address6500 EXCELSIOR BLVD, STE 4-820Minneapolis, MN 55404-1208
Mailing Address8170 33rd Ave S # Ms 21110qBloomington, MN 55425-4516
Phone(952) 993-2640
Sole ProprietorNo
Enumeration DateMay 27, 2006
Last NPPES UpdateJuly 16, 2021
NPPES CertifiedJuly 16, 2021
✔ NPI 1497702310 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 MN · 24967
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.
6500 EXCELSIOR BLVD, Minneapolis, MN 55404
Open in Google Maps ↗

Other Identifiers 1

Medicaid085567700MN

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Oliver W Cass Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Oliver Cass reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Park Nicollet Methodist Hospital
0.8 mi
General Acute Care Hospital
3900 PARK NICOLLET BLVD
St Louis Park, MN 55416
  • Reassigned Medicare billing, Minnesota enrollment
  • Medicare enrollment name: Park Nicollet Clinic
  • 2,527 clinicians in this Medicare group
NPI 1194113217 (952) 993-1953

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 9

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.
55 services55 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.
28 services28 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.
25 services25 patients
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500
Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.
22 services22 patients
Review by radiologist of image from tube placement into bile duct using an endoscope 74328
This procedure involves a specialist, called a radiologist, examining an image taken during a tube placement into your bile duct. The tube is inserted with the help of a tool called an endoscope. This allows the doctor to check for any issues or abnormalities in your bile duct.
17 services16 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.
17 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55404 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
$127.61 typical visit price
range $56.00 – $168.28
Typical copayment $31.90 (range $14.00 – $42.07)
Most-billed visit code 99204
Established Patient
$98.61 typical visit price
range $18.32 – $138.04
Typical copayment $24.65 (range $4.58 – $34.51)
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.

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 Oliver Cass's NPI number?

The NPI number for Oliver Cass is 1497702310. It was assigned to this individual provider in the NPPES registry on May 27, 2006.

Where is Oliver Cass located?

Oliver Cass practices at 6500 Excelsior Blvd Ste 4-820, Minneapolis, MN 55404. The listed phone number is (952) 993-2640.

What is Oliver Cass's specialty?

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

Is Oliver Cass enrolled in Medicare?

Yes. Oliver Cass is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Oliver Cass's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Oliver Cass reassigns Medicare benefits to Park Nicollet Methodist Hospital (St Louis Park, MN). The 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 Oliver Cass's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Oliver Cass was last updated on July 16, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.