Brian Mcmillan, D.O.
NPI 1326157363 · Anesthesiology Physician · Ft. Sam Houston, TX
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Mcmillan, D.O. is a Anesthesiology Physician provider in Ft. Sam Houston, TX (NPI 1326157363).
Provider details
- NPI number
- 1326157363
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 2007-01694 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
403 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 53 | $49 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 51 | $74 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 44 | $161 |
| Other Procedure on Nervous System64999 | 43 | $39 |
| Anesthesia for Total Hip Replacement01214 | 37 | $163 |
| Ultrasonic Guidance for Needle Placement76942 | 36 | $29 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$86 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-30
- Last updated
- 2019-01-17
Frequently asked questions
- What is Brian Mcmillan's NPI number?
- Brian Mcmillan's National Provider Identifier (NPI) is 1326157363, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Mcmillan's specialty?
- Brian Mcmillan is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Mcmillan located?
- Brian Mcmillan's practice location on file with NPPES is 3551 Roger Brooke Dr, Ft. Sam Houston, TX 78234-4504.
- What is Brian Mcmillan's phone number?
- The practice phone number listed in the NPPES registry for Brian Mcmillan is (301) 335-5408.
- Does Brian Mcmillan accept Medicare?
- Brian Mcmillan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Mcmillan's NPI active?
- Yes — Brian Mcmillan's NPI (1326157363) is active in the NPPES registry as of the last update on 2019-01-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.