DR. IAN ROSS MILLER M.D.
NPI 1225326838
Anesthesiology in Dallas, TX
About Dr. Ian Ross Miller M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. IAN ROSS MILLER M.D. (NPI 1225326838) is an individual anesthesiology provider in Dallas, Texas, licensed in Texas (R6838) and active in the NPI registry since July 2011. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 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 (PECOS)
Dr. Ian Ross Miller M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Ian Miller reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77042
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: U S Anesthesia Partners Of Texas, PA
- 3,804 clinicians in this Medicare group
Corpus Christi, TX 78411
- Reassigned Medicare billing, Texas enrollment
- 510 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.
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DALLAS, TX 75240
DALLAS, TX 75240
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 Ian Miller's NPI number?
The NPI number for Ian Miller is 1225326838. It was assigned to this individual provider in the NPPES registry on July 16, 2011.
Where is Ian Miller located?
Ian Miller practices at 6606 Lbj Fwy Ste 200, Dallas, TX 75240. The listed phone number is (972) 715-5000.
What is Ian Miller's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Ian Miller enrolled in Medicare?
Yes. Ian Miller is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ian Miller's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ian Miller reassigns Medicare benefits to 2 organizations: U. S. Anesthesia Partners Of Texas, P.A., (Houston, TX) and Children's Physician Services Of South Texas (Corpus Christi, 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 Ian Miller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ian Miller accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas and Molina Healthcare list Ian Miller 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 Ian Miller was last updated on October 16, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.