GAVIN L. MILLS MD
NPI 1477085934
Orthopaedic Surgery in Jbsa Ft Sam Houston, TX
About Gavin L. Mills Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GAVIN L. MILLS MD (NPI 1477085934) is an individual orthopaedic surgery provider in Jbsa Ft Sam Houston, Texas, licensed in Texas (U4871) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS, is affiliated with Billings Clinic, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Gavin L. Mills Md 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
7Medicare enrollment records show Gavin Mills reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Antonio, TX 78207
- Reassigned Medicare billing, Texas enrollment
- 453 clinicians in this Medicare group
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 2,397 clinicians in this Medicare group
San Antonio, TX 78258
- Reassigned Medicare billing, Texas enrollment
- 964 clinicians in this Medicare group
Rapid City, SD 57702
- Reassigned Medicare billing, South Dakota enrollment
- 87 clinicians in this Medicare group
Cody, WY 82414
- Reassigned Medicare billing, Montana enrollment
- 1,264 clinicians in this Medicare group
Los Banos, CA 93635
- Reassigned Medicare billing, Idaho enrollment
- 19 clinicians in this Medicare group
Sacramento, CA 95816
- Reassigned Medicare billing, Idaho enrollment
- 27 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Billings Clinic
Acute Care Hospitals · Billings, MTBaptist Medical Center
Acute Care Hospitals · San Antonio, TXPhysician 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FORT SAM HOUSTON, TX 78234
FORT SAM HOUSTON, TX 78234
FORT SAM HOUSTON, TX 78234
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 Gavin Mills's NPI number?
The NPI number for Gavin Mills is 1477085934. It was assigned to this individual provider in the NPPES registry on April 3, 2017.
Where is Gavin Mills located?
Gavin Mills practices at 3551 Roger Brooke Dr, Jbsa Ft Sam Houston, TX 78234. The listed phone number is (210) 916-1284.
What is Gavin Mills's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Gavin Mills enrolled in Medicare?
Yes. Gavin Mills 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 Gavin Mills's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gavin Mills reassigns Medicare benefits to 7 organizations: Baylor College Of Medicine (San Antonio, TX), University Of Texas Health Science Center At San Antonio (San Antonio, TX), Bhs Physicians Network, Inc (San Antonio, TX), Acute Care Surgery Of South Dakota PC (Rapid City, SD), Billings Clinic (Cody, WY) and 2 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 Gavin Mills's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gavin Mills accept?
Health plans from Avera Health Plans, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan and Community First and 5 other insurers list Gavin Mills 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 Gavin Mills affiliated with any hospitals?
According to CMS data, Gavin Mills is affiliated with Billings Clinic and Baptist Medical Center.
When was this NPI record last updated?
The NPPES record for Gavin Mills was last updated on July 16, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Gavin L. Mills, MD · NPI 1477085934
Orthopaedic Surgery physician in Jbsa Ft Sam Houston, Texas. Individual provider, active in the CMS NPPES registry since April 3, 2017.
## Identity
- **NPI:** 1477085934 (Entity type: Individual)
- **Enumerated:** April 3, 2017
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** U4871 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 3551 ROGER BROOKE DR, Jbsa Ft Sam Houston, TX 78234-4504
- **Phone:** (210) 916-1284 · **Fax:** (210) 916-7328
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Baylor College Of Medicine (NPI 1285079764, San Antonio, TX); University Of Texas Health Science Center At San Antonio (NPI 1396717989, San Antonio, TX); Bhs Physicians Network, Inc (NPI 1598958431, San Antonio, TX); Acute Care Surgery Of South Dakota PC (NPI 1730797184, Rapid City, SD); Billings Clinic (NPI 1346288347, Cody, WY); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** July 16, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1477085934) · Data from the CMS NPPES public registry.