Dr. Bryan Duane Cass, MD
- Part D claims, 2024
- 11
- Hospital affiliations
- 4
- Industry payments
- $6,837
- Medical groups
- 2
- State license
- 1
- Practice address
- 1111 Hayes Avenue, Sandusky, OH 44870
- Practice phone
- Call (419) 557-7400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Cass' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Bryan Duane Cass is a vascular surgeon in Sandusky, Ohio
Dr. Cass practices at Firelands Regional Medical Center in Sandusky, Ohio, part of Firelands Health.
Dr. Cass' NPI, 1326677840, was assigned on April 6, 2020. Dr. Cass graduated from Louisiana State University School of Medicine in New Orleans in 2020. Dr. Cass holds Ohio license 35.154356.
- NPI
- 1326677840NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224469119
- NPI enumeration date
- April 6, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (419) 557-7400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Bryan Duane Cass practices at Firelands Regional Medical Center in Sandusky, Ohio
Dr. Cass' primary practice is Firelands Regional Medical Center, at 1111 Hayes Avenue, Sandusky, OH 44870 in Erie County. The practice phone is (419) 557-7400.
- Firelands Regional Medical Center1111 Hayes Avenue, Sandusky, OH 44870 · Erie CountyPhone(419) 557-7400
Source: Dmand AI Affiliation Data
Dr. Bryan Duane Cass is affiliated with 6 sites of care and 2 medical groups
Dr. Cass' primary practice is Firelands Regional Medical Center in Sandusky, Ohio, part of Firelands Health. Dr. Cass is also affiliated with Fisher-Titus Medical Center. The medical group on file is Firelands Physician Group. Dmand AI also links Dr. Cass to 2 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account. Dr. Cass' employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Bryan Duane Cass' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cass practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Firelands Regional Medical Center | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Firelands Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Bryan Duane Cass is one of 218 vascular surgeons in Ohio
Vascular surgery is Dr. Cass' primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Cass is licensed in Ohio.
Specialties and state licenses
- Vascular surgery, OhioPrimary
Vascular surgeons near Dr. Cass
Counts of vascular surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Bryan Duane Cass' patients have a median age of 68
Across all payers, Dmand AI patient panel data puts Dr. Cass' median patient age at 68, with 49% women.
Dr. Cass' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women49%
- Men49%
Source: Dmand AI Patient Panel Data
Dr. Bryan Duane Cass wrote 11 Medicare Part D claims in 2024
In 2024, Dr. Cass wrote 11 Medicare Part D claims. 100% of them were for generic drugs.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Bryan Duane Cass takes part in Medicare
Dr. Cass accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Leg revascularization (restoring blood flow): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Varicose vein removal: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Bryan Duane Cass received $6,837 in industry payments from 2024 to 2025
CMS Open Payments shows 59 general payments to Dr. Cass from 17 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 64% of the total. Medtronic, Inc. paid the most, $1,956.
General payments to Dr. Cass by program year, 2024 to 2025
General payments to Dr. Cass by kind, 2024 to 2025
- Food and beverage$4,34664%
- Travel and lodging$1,08116%
- Grants$84112%
- Education$5698%
Companies that paid Dr. Cass the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Bryan Duane Cass graduated from Louisiana State University School of Medicine in New Orleans
Dr. Cass graduated from Louisiana State University School of Medicine in New Orleans in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Bryan Duane Cass's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Bryan Duane Cass
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Bryan Duane Cass' NPI number?
Dr. Bryan Duane Cass' NPI number is 1326677840. It was assigned on April 6, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Bryan Duane Cass?
Dr. Bryan Duane Cass is a vascular surgeon in Sandusky, Ohio. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).
Where does Dr. Bryan Duane Cass practice?
Dr. Cass practices at 1111 Hayes Avenue, Sandusky, OH 44870. Dr. Cass' primary practice is Firelands Regional Medical Center in Sandusky, Ohio, part of Firelands Health. Dmand AI also links Dr. Cass to 2 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. Bryan Duane Cass' office phone number?
The practice phone on file for Dr. Cass is (419) 557-7400.
What is Dr. Bryan Duane Cass' medical license number?
Dr. Cass holds Ohio license 35.154356.
Which hospitals is Dr. Bryan Duane Cass affiliated with?
Dr. Cass practices at Firelands Regional Medical Center in Sandusky, Ohio. Dr. Cass is also affiliated with Fisher-Titus Medical Center. Dmand AI links Dr. Cass to 2 more hospitals.
What medical group is Dr. Bryan Duane Cass part of?
Dr. Cass is linked to Firelands Physician Group. Dmand AI links Dr. Cass to 1 more medical group.
Does Dr. Bryan Duane Cass accept Medicare?
Yes. CMS lists Dr. Cass as accepting Medicare assignment.
Where did Dr. Bryan Duane Cass go to medical school?
Dr. Cass graduated from Louisiana State University School of Medicine in New Orleans in 2020.
Has Dr. Bryan Duane Cass received payments from drug or device companies?
CMS Open Payments shows $6,837 in general payments to Dr. Cass from 17 companies from 2024 to 2025. The largest total came from Medtronic, Inc.
How long has Dr. Bryan Duane Cass been practicing?
Dr. Cass graduated from medical school in 2020, 6 years ago.
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