WILLIAM PATTERSON
NPI 1538666367
Emergency Medicine in Burnet, TX
About William Patterson NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM PATTERSON (NPI 1538666367) is an individual emergency medicine provider in Burnet, Texas, licensed in Texas (T0889) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, maintains a secondary practice location in Live Oak, and is a graduate of University Of Miami, Lm Miller School Of Medicine (2018).
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
William Patterson 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
4Medicare enrollment records show William Patterson reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
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
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 1,452 clinicians in this Medicare group
Anthony, KS 67003
- Reassigned Medicare billing, Kansas enrollment
- 35 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 3
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 78611 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 19
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 William Patterson's NPI number?
The NPI number for William Patterson is 1538666367. It was assigned to this individual provider in the NPPES registry on April 9, 2018.
Where is William Patterson located?
William Patterson practices at 3201 S Water St, Burnet, TX 78611. The listed phone number is (512) 715-3000.
What is William Patterson's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is William Patterson enrolled in Medicare?
Yes. William Patterson 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 William Patterson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Patterson reassigns Medicare benefits to 4 organizations: Travis County Emergency Physicians PA (Austin, TX), Longhorn Emergency Medical Associates PA (Austin, TX), Emergency Medicine Services Of Tx, PLLC (San Antonio, TX) and Hospital District No 6 Of Harper County Kansas (Anthony, KS). 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 William Patterson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Patterson accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Kansas, Inc., Blue Cross and Blue Shield of Texas, Harbor Health and Oscar Insurance Company and 2 other insurers list William Patterson 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 William Patterson was last updated on November 8, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# William Patterson · NPI 1538666367
Emergency Medicine physician in Burnet, Texas. Individual provider, active in the CMS NPPES registry since April 9, 2018.
## Identity
- **NPI:** 1538666367 (Entity type: Individual)
- **Enumerated:** April 9, 2018
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** T0889 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3201 S WATER ST, Burnet, TX 78611-4510
- **Phone:** (512) 715-3000
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Travis County Emergency Physicians PA (NPI 1962440933, Austin, TX); Longhorn Emergency Medical Associates PA (NPI 1649669672, Austin, TX); Emergency Medicine Services Of Tx, PLLC (NPI 1245938729, San Antonio, TX); Hospital District No 6 Of Harper County Kansas (NPI 1467427674, Anthony, KS) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Miami, Lm Miller School Of Medicine, class of 2018
## Record status
- **NPPES last updated:** November 8, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1538666367) · Data from the CMS NPPES public registry.