Dr. John E. Viola, MD
- Medicare services, 2024
- 181
- Medicare patients, 2024
- 239
- Hospital affiliations
- 1
- Industry payments
- $32
- Medical group
- 1
- Practice address
- 8787 Bryan Dairy Rd, Ste 300, Largo, FL 33777
- Practice phone
- Call (727) 394-5300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Bardmoor Surgery Center
Surgery Center - Medicare-Certified · Largo, Florida
Find Dr. Viola's 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. John E. Viola is an anesthesiologist in Seminole, Florida
Dr. Viola practices at Bardmoor Surgery Center in Largo, Florida.
Dr. Viola's NPI, 1821104167, was assigned on August 21, 2006. Dr. Viola graduated from New York Medical College in 1987. Dr. Viola holds Florida license ME91350.
- NPI
- 1821104167NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315904562
- NPI enumeration date
- August 21, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (727) 394-5300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John E. Viola practices at Bardmoor Surgery Center in Largo, Florida
Dr. Viola's primary practice is Bardmoor Surgery Center, at 8787 Bryan Dairy Rd, Ste 300, Largo, FL 33777. The practice phone is (727) 394-5300.
- Bardmoor Surgery Center8787 Bryan Dairy Rd, Ste 300, Largo, FL 33777Phone(727) 394-5300
Source: Dmand AI Affiliation Data
Dr. John E. Viola is affiliated with 3 sites of care and 1 medical group
Dr. Viola's primary practice is Bardmoor Surgery Center in Largo, Florida. Dr. Viola is also affiliated with BayCare St. Joseph's Hospital. The medical group on file is Bay Area Anesthesia. Dmand AI also links Dr. Viola to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John E. Viola's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Viola practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bardmoor Surgery Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John E. Viola is one of 3,063 anesthesiologists in Florida
Anesthesiology is Dr. Viola's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Viola is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Viola's licenses on file in 6 states: Florida, Colorado, Pennsylvania, Connecticut, New Jersey and New York.
Specialties and state licenses
- Anesthesiology, FloridaPrimary
- Colorado license
- Pennsylvania license
- Connecticut license
- New Jersey license
- New York license
Anesthesiologists near Dr. Viola
Counts of anesthesiologists 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. John E. Viola billed Medicare for 181 services in 2024
CMS data shows 181 Medicare services from Dr. Viola across 6 procedure codes in 2024, for 239 Medicare patients. Medicare paid $11,549 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Viola's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 1622024: 18112%
Dr. Viola compared with the Florida median for anesthesiologists, 2024
- Dr. Viola
- Florida median
- Medicare services
- 181vs 742.4 times
- Medicare patients
- 239vs 12099% above
Medians across 2,878 anesthesiologists in Florida with Dmand AI profiles that report each measure.
Dr. Viola's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Viola?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Viola and other anesthesiologists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John E. Viola treated 239 Medicare patients in 2024, average age 74
CMS counts 239 Medicare patients who saw Dr. Viola in 2024. The largest group is 65 to 74, with 122 patients. 75% of them have high cholesterol, and 67% have high blood pressure. 5% are also on Medicaid. Their average risk score is 1.26, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Viola's median patient age at 66, with 58% women.
Dr. Viola's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Viola's Medicare patients by sex, 2024
- Women14460%
- Men9540%
Chronic conditions among Dr. Viola's Medicare patients, 2024
- High cholesterol75%
- High blood pressure67%
- Arthritis50%
- Ischemic heart disease33%
- Diabetes31%
- Anxiety26%
- Chronic kidney disease26%
- Cancer24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Viola's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. John E. Viola takes part in Medicare
Dr. Viola accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. John E. Viola received $32 in industry payments from 2016 to 2023
CMS Open Payments shows 2 general payments to Dr. Viola from 2 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Nexus Spine, LLC paid the most, $17.
General payments to Dr. Viola by program year, 2016 to 2023
Companies that paid Dr. Viola the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John E. Viola graduated from New York Medical College
Dr. Viola graduated from New York Medical College in 1987.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. John E. Viola accepts plans from 4 insurance carriers
Dr. Viola is in network with 4 carriers, including United Healthcare, Blue Cross and Blue Shield of Kansas City and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- United Healthcare
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- HCSC
Plan types Dr. Viola accepts, by number of carriers
- Medicare2
- EPO1
- HMO1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. John E. Viola'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. John E. Viola
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. John E. Viola's NPI number?
Dr. John E. Viola's NPI number is 1821104167. It was assigned on August 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John E. Viola?
Dr. John E. Viola is an anesthesiologist in Seminole, Florida. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. John E. Viola practice?
Dr. Viola practices at 8787 Bryan Dairy Rd, Ste 300, Largo, FL 33777. Dr. Viola's primary practice is Bardmoor Surgery Center in Largo, Florida. Dmand AI also links Dr. Viola to 1 group practice or clinic.
What is Dr. John E. Viola's office phone number?
The practice phone on file for Dr. Viola is (727) 394-5300.
What is Dr. John E. Viola's medical license number?
Dr. Viola holds Florida license ME91350, one of the licenses on file in 6 states.
Which states has Dr. John E. Viola been licensed in?
Dmand AI has state licenses on file for Dr. Viola in Florida (2004 to 2027), Colorado (2003 to 2021), Pennsylvania (1992 to 2006), Connecticut (2003 to 2005), New Jersey (2003 to 2005) and New York (1991 to 1994).
Which hospitals is Dr. John E. Viola affiliated with?
Dr. Viola is affiliated with BayCare St. Joseph's Hospital.
What medical group is Dr. John E. Viola part of?
Dr. Viola is linked to Bay Area Anesthesia.
Does Dr. John E. Viola accept Medicare?
Yes. CMS data shows Dr. Viola billed Medicare for 181 services in 2024, and Dr. Viola accepts Medicare assignment.
How many Medicare patients does Dr. John E. Viola see?
CMS counts 239 Medicare patients who saw Dr. Viola in 2024, with an average age of 74.
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Is Dr. John E. Viola board certified?
Yes. Dr. Viola is board certified in anesthesiology by the American Board of Anesthesiology.
What services does Dr. John E. Viola bill to Medicare?
In 2024, Dr. Viola's most billed Medicare services were anesthesia (00731), anesthesia (00811) and anesthesia (00812).
Where did Dr. John E. Viola go to medical school?
Dr. Viola graduated from New York Medical College in 1987.
Has Dr. John E. Viola received payments from drug or device companies?
CMS Open Payments shows $32 in general payments to Dr. Viola from 2 companies from 2016 to 2023. The largest total came from Nexus Spine, LLC.
How long has Dr. John E. Viola been practicing?
Dr. Viola graduated from medical school in 1987, 39 years ago.
What insurance does Dr. John E. Viola accept?
Dr. Viola is in network with 4 carriers, including United Healthcare, Blue Cross and Blue Shield of Kansas City and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
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