MILLIE SAREEN MD, MPH
NPI 1932780608
Psychiatry & Neurology - Neurology in Lakeway, TX
About Millie Sareen Md, Mph NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MILLIE SAREEN MD, MPH (NPI 1932780608) is an individual neurology provider in Lakeway, Texas, licensed in Texas (V8756) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, is affiliated with Baylor Scott & White Medical Center - Round Rock, and is a graduate of Other (2021).
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 and accepts Medicare assignment
Millie Sareen Md, Mph 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 Reassignment
Medicare enrollment records show Millie Sareen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Pflugerville, TX 78660
- Reassigned Medicare billing, Texas enrollment
- 2,795 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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Baylor Scott & White Medical Center - Round Rock
Acute Care Hospitals · Round Rock, TXBaylor Scott & White Medical Center - Marble Falls
Acute Care Hospitals · Marble Falls, TXBaylor Scott & White Medical Center - Buda
Acute Care Hospitals · Buda, TXBaylor Scott & White Medical Center- Austin
Acute Care Hospitals · Austin, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78738 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.
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 Millie Sareen's NPI number?
The NPI number for Millie Sareen is 1932780608. It was assigned to this individual provider in the NPPES registry on April 15, 2021.
Where is Millie Sareen located?
Millie Sareen practices at 200 Medical Pkwy Ste 320, Lakeway, TX 78738. The listed phone number is (512) 654-0270.
What is Millie Sareen's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Millie Sareen enrolled in Medicare?
Yes. Millie Sareen 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 organization bills Medicare for Millie Sareen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Millie Sareen reassigns Medicare benefits to Scott & White Clinic (Pflugerville, TX). The 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 Millie Sareen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Millie Sareen accept?
Health plans from Baylor Scott and White Health Plan and Blue Cross and Blue Shield of Texas list Millie Sareen 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 Millie Sareen affiliated with any hospitals?
According to CMS data, Millie Sareen is affiliated with Baylor Scott & White Medical Center - Round Rock, Baylor Scott & White Medical Center - Marble Falls, Baylor Scott & White Medical Center - Buda and Baylor Scott & White Medical Center- Austin.
When was this NPI record last updated?
The NPPES record for Millie Sareen was last updated on December 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.