DENNIS L BARTASIS D.O.
NPI 1912982828
Emergency Medicine in Magnolia, TX
About Dennis L Bartasis D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DENNIS L BARTASIS D.O. (NPI 1912982828) is an individual emergency medicine provider in Magnolia, Texas, licensed in Texas (F5463) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 15
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dennis L Bartasis D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Dennis Bartasis reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bellaire, TX 77401
- Reassigned Medicare billing, Texas enrollment
- 197 clinicians in this Medicare group
Pasadena, TX 77505
- Reassigned Medicare billing, Texas enrollment
- 644 clinicians in this Medicare group
Austin, TX 78705
- Reassigned Medicare billing, Texas enrollment
- 1,511 clinicians in this Medicare group
Gainesville, TX 76240
- Reassigned Medicare billing, Texas enrollment
- 1,193 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77354 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Dennis Bartasis's NPI number?
The NPI number for Dennis Bartasis is 1912982828. It was assigned to this individual provider in the NPPES registry on December 13, 2005.
Where is Dennis Bartasis located?
Dennis Bartasis practices at 5815 Ranch Hill Dr, Magnolia, TX 77354. The listed phone number is (936) 321-5162.
What is Dennis Bartasis's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Dennis Bartasis enrolled in Medicare?
Yes. Dennis Bartasis is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Dennis Bartasis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dennis Bartasis reassigns Medicare benefits to 4 organizations: Round Table Physicians Group PLLC (Bellaire, TX), Integrative Emergency Services Physician Group-Houston PLLC (Pasadena, TX), Travis County Emergency Physicians PA (Austin, TX) and Acs Primary Care Physicians Southwest, PA (Gainesville, 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 Dennis Bartasis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Dennis Bartasis accept?
Health plans from Blue Cross and Blue Shield of Texas, Oscar Insurance Company and Sendero Health Plans, Local Nonprofit list Dennis Bartasis 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.
When was this NPI record last updated?
The NPPES record for Dennis Bartasis was last updated on May 18, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Dennis L Bartasis, D.O. · NPI 1912982828
Emergency Medicine physician in Magnolia, Texas. Individual provider, active in the CMS NPPES registry since December 13, 2005.
## Identity
- **NPI:** 1912982828 (Entity type: Individual)
- **Enumerated:** December 13, 2005
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** F5463 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 5815 RANCH HILL DR, Magnolia, TX 77354-5054
- **Phone:** (936) 321-5162 · **Fax:** (936) 271-5162
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Round Table Physicians Group PLLC (NPI 1023439114, Bellaire, TX); Integrative Emergency Services Physician Group-Houston PLLC (NPI 1801458708, Pasadena, TX); Travis County Emergency Physicians PA (NPI 1962440933, Austin, TX); Acs Primary Care Physicians Southwest, PA (NPI 1538101019, Gainesville, TX) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 18, 2009
- **Other identifiers:** Other 930117303 (TX); Medicare OSCAR/certification P00690959 (TX); Other 8AP265 (TX); and 12 more
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Source: [NPI Profile](https://npiprofile.com/npi/1912982828) · Data from the CMS NPPES public registry.