STEPHEN R. ROSALES M.D.
NPI 1679602478
Emergency Medicine in Round Rock, TX
About Stephen R. Rosales M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHEN R. ROSALES M.D. (NPI 1679602478) is an individual emergency medicine provider in Round Rock, Texas, licensed in Texas (N1434) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, is affiliated with Methodist Hospital, and is a graduate of University Of Oklahoma College Of Medicine (2005).
NPPES Registry Identity
Specialties & Licenses 3
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
Stephen R. Rosales M.d. 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
8Medicare enrollment records show Stephen Rosales reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Taylor, TX 76574
- Reassigned Medicare billing, Texas enrollment
- 84 clinicians in this Medicare group
Austin, TX 78705
- Reassigned Medicare billing, Texas enrollment
- 1,511 clinicians in this Medicare group
Austin, TX 78705
- Reassigned Medicare billing, Texas enrollment
- 547 clinicians in this Medicare group
Killeen, TX 76549
- Reassigned Medicare billing, Texas enrollment
- 214 clinicians in this Medicare group
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 1,452 clinicians in this Medicare group
Dallas, TX 75246
- Reassigned Medicare billing, Texas enrollment
- 1,044 clinicians in this Medicare group
Gainesville, TX 76240
- Reassigned Medicare billing, Texas enrollment
- 1,193 clinicians in this Medicare group
Oklahoma City, OK 73159
- Reassigned Medicare billing, Texas enrollment
- 7 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 4
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Methodist Hospital
Acute Care Hospitals · San Antonio, TXRound Rock Medical Center
Acute Care Hospitals · Round Rock, TXBaylor Scott & White Medical Center -Taylor
Critical Access Hospitals · Taylor, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78665 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
ROUND ROCK, TX 78665
ROUND ROCK, TX 78665
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 Stephen Rosales's NPI number?
The NPI number for Stephen Rosales is 1679602478. It was assigned to this individual provider in the NPPES registry on March 5, 2007.
Where is Stephen Rosales located?
Stephen Rosales practices at 300 University Blvd, Round Rock, TX 78665. The listed phone number is (512) 509-0100.
What is Stephen Rosales's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Stephen Rosales enrolled in Medicare?
Yes. Stephen Rosales 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 Stephen Rosales's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Rosales reassigns Medicare benefits to 8 organizations: Scott & White Hospital - Taylor (Taylor, TX), Travis County Emergency Physicians PA (Austin, TX), Longhorn Emergency Medical Associates PA (Austin, TX), Emergency Associates Of Central Texas PA (Killeen, TX), Emergency Medicine Services Of Tx, PLLC (San Antonio, TX) and 3 more organizations, listed in the Medicare section above. 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 Stephen Rosales's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephen Rosales accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Oscar Health and Oscar Insurance Company and 1 other insurer list Stephen Rosales 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 Stephen Rosales affiliated with any hospitals?
According to CMS data, Stephen Rosales is affiliated with Methodist Hospital, Round Rock Medical Center and Baylor Scott & White Medical Center -Taylor.
When was this NPI record last updated?
The NPPES record for Stephen Rosales was last updated on December 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.
# Stephen R. Rosales, M.D. · NPI 1679602478
Emergency Medicine physician in Round Rock, Texas. Individual provider, active in the CMS NPPES registry since March 5, 2007.
## Identity
- **NPI:** 1679602478 (Entity type: Individual)
- **Enumerated:** March 5, 2007
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** N1434 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 300 UNIVERSITY BLVD, Round Rock, TX 78665-1032
- **Phone:** (512) 509-0100 · **Fax:** (512) 218-6330
## 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:** 8 organizations under Medicare reassignment (form CMS-855R): Scott & White Hospital - Taylor (NPI 1659366557, Taylor, TX); Travis County Emergency Physicians PA (NPI 1962440933, Austin, TX); Longhorn Emergency Medical Associates PA (NPI 1649669672, Austin, TX); Emergency Associates Of Central Texas PA (NPI 1215418280, Killeen, TX); Emergency Medicine Services Of Tx, PLLC (NPI 1245938729, San Antonio, TX); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Oklahoma College Of Medicine, class of 2005
## Record status
- **NPPES last updated:** December 23, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1679602478) · Data from the CMS NPPES public registry.