MILLIE SAREEN MD, MPH
NPI 1932780608
Psychiatry & Neurology - Neurology in Lakeway, TX

Active since April 15, 2021PECOS EnrolledAccepts Medicare Assignment
200 MEDICAL PKWY STE 320, LAKEWAY, TX 78738(512) 654-0270 Get Directions Write a Review

NPPES record last updated: December 5, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 5, 2025, Apr 22, 2021, Apr 15, 2021 (3 updates tracked since 2021).

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

NPI1932780608
Entity TypeIndividualFemale
Primary Taxonomy2084N0400X
Provider Legal NameMILLIE SAREENCredential: MD, MPH
Location Address200 MEDICAL PKWY STE 320Lakeway, TX 78738-1794
Mailing AddressPo Box 844658Dallas, TX 75284-4658 · (254) 724-2111
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateApril 15, 2021
Last NPPES UpdateDecember 5, 20253 updates tracked since enumeration
NPPES CertifiedDecember 5, 2025
NPI 1932780608 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License Licensed in TX · V8756
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
200 MEDICAL PKWY STE 320, Lakeway, TX 78738

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID3779084538
PECOS Enrollment IDI20250902003509
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number670034
Location300 University BlvdRound Rock, TX 78664 · Williamson County
Emergency services Birthing friendly

Baylor Scott & White Medical Center - Marble Falls

Acute Care Hospitals · Marble Falls, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number670108
Location810 W Highway 71Marble Falls, TX 78654 · Burnet County
Emergency services Birthing friendly

Baylor Scott & White Medical Center - Buda

Acute Care Hospitals · Buda, TX
OwnershipVoluntary non-profit - Private
CMS Certification Number670131
Location5330 Overpass Road Suite 110Buda, TX 78610 · Hays County
Emergency services

Baylor Scott & White Medical Center- Austin

Acute Care Hospitals · Austin, TX
OwnershipVoluntary non-profit - Private
CMS Certification Number670136
Location5245 W Us 290Austin, TX 78735 · Travis County

Physician 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.

New Patient
$131.95 typical visit price
range $57.88 – $174.00
Typical copayment $32.98 (range $14.47 – $43.50)
Most-billed visit code 99204
Established Patient
$101.65 typical visit price
range $18.88 – $142.23
Typical copayment $25.41 (range $4.72 – $35.55)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
200 MEDICAL PKWY STE 320
LAKEWAY, TX 78738
Clinical Neuropsychologist
200 MEDICAL PKWY STE 320
LAKEWAY, TX 78738

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.

What insurance does Millie Sareen accept?

Health plans from 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 8 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.