Dr. William A. Cass
- Gender: Male
- Experience: 36 years
- Graduated from: University Of Missouri, Columbia School Of Medicine
- Graduation year: 1985
- Sole propriator: No
- NPI: 1710041207
Dr. William A. Cass M.D.
Anesthesiologist
He is located at 1600 East Broadway in Columbia, MO 65201. Can help patients with the following: General Anesthesia, Pain Medication Management, Regional Anesthesia, Sedation, Wrist Surgery. His National Provider Identifier (NPI) number is 1710041207. Appointment can be made via the phone number (573) 815-8000. He is affiliated with 2 practices and 1 hospitals.
Conditions treated
Dr. William Allen Cass, being an anesthesiologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. William A. Cass.
- General Anesthesia
- Pain Medication Management
- Regional Anesthesia
- Sedation
- Wrist Surgery
Procedures Performed by Dr. William A. Cass
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. William A. Cass as in-network for the following 2026 plans.
Health plans
Blue Cross and Blue Shield of Kansas City
Network data as of Sep 8, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Blue KC Community Silver Preferred-Care Blue EPO | EPO · Silver | Preferred | Not accepting new patients |
| Blue KC First Bronze Preferred-Care Blue EPO | EPO · Expanded Bronze | Preferred | Not accepting new patients |
| Blue KC Standard Bronze Preferred-Care Blue EPO | EPO · Expanded Bronze | Preferred | Not accepting new patients |
| Blue KC Standard Gold Preferred-Care Blue EPO | EPO · Gold | Preferred | Not accepting new patients |
| Blue KC Standard Silver Preferred-Care Blue EPO | EPO · Silver | Preferred | Not accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. William A. Cass is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. William A. Cass is enrolled to bill Medicare as a Practitioner - Anesthesiology .
Bills through: Columbia Orthopaedic Group Llp
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Edwards Lifesciences | $851 |
| Merck | $237 |
| Valeant Pharmaceuticals North America | $219 |
Other
| Food and Beverage | $1047 |
| Travel and Lodging | $473 |
Studies
UNIVERSITY OF MISSOURI, COLUMBIA SCHOOL OF MEDICINE
Graduated in 1985
Looking for more Anesthesiologists?
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- Gender: Male
- Address: 1600 East Broadway Columbia, 65201, MO
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- Address: 1 Hospital Drive Columbia, 65201, MO
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- Address: 800 Hospital Drive Columbia, 65201, MO
- Gender: Female
- Address: 404 North Keene Street Columbia, 65201, MO
- Gender: Male
- Address: 1600 East Broadway Columbia, 65201, MO
- Gender: Male
- Address: 1 Hospital Drive Columbia, 65201, MO
- Gender: Male
- Address: 1 Hospital Drive Columbia, 65201, MO
- Gender: Male
- Address: 1600 East Broadway Columbia, 65201, MO
- Gender: Male
- Address: 1 Hospital Drive Columbia, 65212, MO
- Gender: Female
- Address: 8202 South Bennett Drive Columbia, 65201, MO
Questions & Answers
Has Dr. William Allen Cass affiliation with hospitals?
Dr. William Allen Cass is affiliated with BOONE HOSPITAL CENTER.
Does Dr. William Allen Cass accept patients with Blue Cross and Blue Shield of Kansas City?
Yes, Dr. William Allen Cass is listed in-network for Blue Cross and Blue Shield of Kansas City through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Where can you meet with Dr. William Allen Cass?
Dr. William Allen Cass's office is located at 1600 East Broadway in Columbia, MO 65201.
What conditions does Dr. William Allen Cass treat?
Dr. William Allen Cass provides treatment for General Anesthesia, Pain Medication Management, Regional Anesthesia, Sedation, Wrist Surgery.
Does Dr. William Allen Cass have affiliation with practices?
Dr. William Allen Cass is affiliated with Mid-America Anesthesia Consultants. For the full list of practices see this list.