Physician Profile
Unclaimed ProfileAbout VIOLA
David John Viola, APRN is a nurse practitioner practising in Baytown, TX. David is also listed as specialising in registered nurse and nurse practitioner — acute care.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Viola's specialty?
Dr. Viola is a nurse practitioner in Baytown, TX. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “NURSE PRACTITIONER”.
NPI registry
Where can I find Dr. Viola?
Dr. Viola is listed at 4401 GARTH RD, Baytown, TX 77521. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Viola?
The number on file is (281) 420-8600. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Viola?
Dr. Viola's National Provider Identifier is 1972142859. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Viola's medical education?
Dr. Viola attended Other, graduating in 2020. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Viola have?
Dr. Viola has 6 years experience. Calculated from a graduation year of 2020, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Viola known for?
According to Medicare billing data, Dr. Viola performs procedures including insertion of artery tube for blood sampling or infusion through skin, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Viola's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Viola. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (281) 420-8600
- Email not available
Practice Locations
4401 GARTH RD
Baytown, TX 77521
Procedures Most Often Billed to Medicare
38 services · 38 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of artery tube for blood sampling or infusion through skin | Procedure | 36620 |
11 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
27 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 30 related providers in 4 groups
Other nurse practitioners in Baytown 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2020 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of artery tube for blood sampling or infusion through skin 8
Providers in TX who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.