DAVID JOHN VIOLA APRN
NPI 1972142859
Nurse Practitioner - Acute Care in Baytown, TX
About David John Viola Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID JOHN VIOLA APRN (NPI 1972142859) is an individual acute care provider in Baytown, Texas, licensed in Texas (1020839) and active in the NPI registry since December 2019. He is enrolled in Medicare PECOS, is affiliated with Houston Methodist Baytown Hospital, and maintains a secondary practice location in Kissimmee.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
David John Viola Aprn is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show David Viola reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 2,407 clinicians in this Medicare group
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 1,579 clinicians in this Medicare group
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 2
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Houston Methodist Baytown Hospital
Acute Care Hospitals · Baytown, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77521 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 David Viola's NPI number?
The NPI number for David Viola is 1972142859. It was assigned to this individual provider in the NPPES registry on December 25, 2019.
Where is David Viola located?
David Viola practices at 4401 Garth Rd, Baytown, TX 77521. The listed phone number is (281) 420-8600.
What is David Viola's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is David Viola enrolled in Medicare?
Yes. David Viola is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for David Viola's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Viola reassigns Medicare benefits to 2 organizations: Tmh Physician Associates PLLC (Houston, TX) and Houston Methodist Specialty Physicians (Houston, TX). Each 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 David Viola's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Viola accept?
Health plans from WellPoint list David Viola as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is David Viola affiliated with any hospitals?
According to CMS data, David Viola is affiliated with Houston Methodist Baytown Hospital.
When was this NPI record last updated?
The NPPES record for David Viola was last updated on July 3, 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.
# David John Viola, APRN · NPI 1972142859
Acute Care physician in Baytown, Texas. Individual provider, active in the CMS NPPES registry since December 25, 2019.
## Identity
- **NPI:** 1972142859 (Entity type: Individual)
- **Enumerated:** December 25, 2019
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** 1020839 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 4401 GARTH RD, Baytown, TX 77521-2122
- **Phone:** (281) 420-8600
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Tmh Physician Associates PLLC (NPI 1275779225, Houston, TX); Houston Methodist Specialty Physicians (NPI 1902614332, Houston, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** July 3, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1972142859) · Data from the CMS NPPES public registry.