DR. GUYON JAMES HILL M.D.
NPI 1629059316
Emergency Medicine in Fort Sam Houston, TX
About Dr. Guyon James Hill M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GUYON JAMES HILL M.D. (NPI 1629059316) is an individual emergency medicine provider in Fort Sam Houston, Texas, licensed in Texas (BP10019554) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and is a graduate of Other (2004).
NPPES Registry Identity
Specialties & Licenses
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)
Dr. Guyon James Hill M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Guyon Hill reassigns Medicare billing to 3 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 78732
- Reassigned Medicare billing, Texas enrollment
- 93 clinicians in this Medicare group
Round Rock, TX 78681
- Reassigned Medicare billing, Texas enrollment
- 81 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78234 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FORT SAM HOUSTON, TX 78234
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 Guyon Hill's NPI number?
The NPI number for Guyon Hill is 1629059316. It was assigned to this individual provider in the NPPES registry on November 9, 2005.
Where is Guyon Hill located?
Guyon Hill practices at Brooke Army Medical Center, Mche-Qd/Credentials 3851 Roger Brooke Drive, Fort Sam Houston, TX 78234. The listed phone number is (210) 916-1006.
What is Guyon Hill's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Guyon Hill enrolled in Medicare?
Yes. Guyon Hill is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Guyon Hill's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Guyon Hill reassigns Medicare benefits to 3 organizations: Travis County Emergency Physicians PA (Austin, TX), Lake Travis Emergency Physicians, PLLC (Austin, TX) and Brushy Creek Emergency Physicians PLLC (Round Rock, 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 Guyon Hill's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Guyon Hill accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Harbor Health, Molina Healthcare and Oscar Insurance Company and 1 other insurer list Guyon Hill 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 Guyon Hill was last updated on June 27, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Dr. Guyon James Hill, M.D. · NPI 1629059316
Emergency Medicine physician in Fort Sam Houston, Texas. Individual provider, active in the CMS NPPES registry since November 9, 2005.
## Identity
- **NPI:** 1629059316 (Entity type: Individual)
- **Enumerated:** November 9, 2005
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** BP10019554 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** BROOKE ARMY MEDICAL CENTER, MCHE-QD/CREDENTIALS, 3851 ROGER BROOKE DRIVE, Fort Sam Houston, TX 78234-6200
- **Phone:** (210) 916-1006
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Travis County Emergency Physicians PA (NPI 1962440933, Austin, TX); Lake Travis Emergency Physicians, PLLC (NPI 1851803688, Austin, TX); Brushy Creek Emergency Physicians PLLC (NPI 1235773151, Round Rock, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** June 27, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1629059316) · Data from the CMS NPPES public registry.