JOFFRE EDWARD JOHNSON M.D.
NPI 1457765547
Emergency Medicine in Round Rock, TX
About Joffre Edward Johnson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOFFRE EDWARD JOHNSON M.D. (NPI 1457765547) is an individual emergency medicine provider in Round Rock, Texas, licensed in Texas (S0468) and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS, is affiliated with St David's Medical Center, and maintains a secondary practice location in Chicago.
NPPES Registry Identity
Specialties & Licenses
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
Joffre Edward Johnson 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
13Medicare enrollment records show Joffre Johnson reassigns Medicare billing to 13 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
Lakeway, TX 78734
- Reassigned Medicare billing, Texas enrollment
- 77 clinicians in this Medicare group
Killeen, TX 76549
- Reassigned Medicare billing, Texas enrollment
- 387 clinicians in this Medicare group
San Marcos, TX 78666
- Reassigned Medicare billing, Texas enrollment
- 137 clinicians in this Medicare group
Dallas, TX 75246
- Reassigned Medicare billing, Texas enrollment
- 1,044 clinicians in this Medicare group
Alice, TX 78332
- Reassigned Medicare billing, Texas enrollment
- 173 clinicians in this Medicare group
Lumberton, TX 77657
- Reassigned Medicare billing, Texas enrollment
- 113 clinicians in this Medicare group
Eagle Pass, TX 78852
- Reassigned Medicare billing, Texas enrollment
- 63 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St David's Medical Center
Acute Care Hospitals · Austin, 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.
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 Joffre Johnson's NPI number?
The NPI number for Joffre Johnson is 1457765547. It was assigned to this individual provider in the NPPES registry on June 17, 2014.
Where is Joffre Johnson located?
Joffre Johnson practices at 300 University Blvd, Round Rock, TX 78665. The listed phone number is (512) 509-0100.
What is Joffre Johnson's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Joffre Johnson enrolled in Medicare?
Yes. Joffre Johnson 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 Joffre Johnson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joffre Johnson reassigns Medicare benefits to 13 organizations: Scott & White Hospital - Taylor (Taylor, TX), Travis County Emergency Physicians PA (Austin, TX), Longhorn Emergency Medical Associates PA (Austin, TX), Cec Lakeway Urgent Care Physicians PLLC (Lakeway, TX), Sound Physicians Emergency Medicine Of Texas PLLC (Killeen, TX) and 8 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 Joffre Johnson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joffre Johnson accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Harbor Health and Molina Healthcare and 3 other insurers list Joffre Johnson 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 Joffre Johnson affiliated with any hospitals?
According to CMS data, Joffre Johnson is affiliated with St David's Medical Center.
When was this NPI record last updated?
The NPPES record for Joffre Johnson was last updated on September 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 47 days 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.
# Joffre Edward Johnson, M.D. · NPI 1457765547
Emergency Medicine physician in Round Rock, Texas. Individual provider, active in the CMS NPPES registry since June 17, 2014.
## Identity
- **NPI:** 1457765547 (Entity type: Individual)
- **Enumerated:** June 17, 2014
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** S0468 (Texas)
- **Sole proprietor:** No
## 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:** 13 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); Cec Lakeway Urgent Care Physicians PLLC (NPI 1285088161, Lakeway, TX); Sound Physicians Emergency Medicine Of Texas PLLC (NPI 1518475557, Killeen, TX); and 8 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Alabama School Of Medicine, class of 2014
## Record status
- **NPPES last updated:** September 14, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1457765547) · Data from the CMS NPPES public registry.