BARRY JOSEPH MILLS M.D.
NPI 1902918675
Psychiatry & Neurology - Psychiatry in San Marcos, TX

Q: What is Barry Mills's NPI number?

The NPI number for Barry Mills is 1902918675. It was assigned to this individual provider in the NPPES registry on August 31, 2006.

Q: What is Barry Mills's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: When was this NPI record last updated?

The NPPES record for Barry Mills was last updated on January 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.

Active since August 31, 2006PECOS EnrolledAccepts Medicare Assignment

151 STAGECOACH TRL STE 220, SAN MARCOS, TX 78666(844) 824-8775 Get Directions Write a Review

NPPES record last updated: January 9, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 9, 2026, Feb 25, 2023, Jan 4, 2022 and 3 more (6 updates tracked since 2017).

On this page

About Barry Joseph Mills M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

BARRY JOSEPH MILLS M.D. (NPI 1902918675) is an individual psychiatry provider in San Marcos, Texas, licensed in Texas (J0131) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Texas Southwestern Medical School At Dallas (1990).

NPPES Registry Identity

NPI1902918675

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameBARRY JOSEPH MILLSCredential: M.D.

Location Address151 STAGECOACH TRL STE 220San Marcos, TX 78666-3863

Mailing Address200 S Oakridge Dr Ste 101-601Hudson Oaks, TX 76087-1794 · (817) 779-4466 · Fax (817) 730-9110

Phone(844) 824-8775

Sole ProprietorNo

Medical School CMSUniversity Of Texas Southwestern Medical School At DallasGraduated 1990

Enumeration DateAugust 31, 2006

Last NPPES UpdateJanuary 9, 20266 updates tracked since enumeration

NPPES CertifiedJanuary 9, 2026

✔ NPI 1902918675 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

Licenses✔ Licensed in TX · J0131✔ Licensed in MA · 221607✔ Licensed in CA · C51171

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

151 STAGECOACH TRL STE 220, San Marcos, TX 78666

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Other Identifiers 2

Medicaid124990608TX

Medicaid124990609TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.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

Barry Joseph Mills M.d. 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 ID7810958428

PECOS Enrollment IDI20110519000508, I20140318001384

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.

Areas of Expertise CMS Part B claims

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.

Psychiatric diagnostic evaluation with medical services 90792

A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78666 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

$166.88 typical visit price

range $54.84 – $166.88

Typical copayment $41.72 (range $13.71 – $41.72)

Most-billed visit code 99205

Established Patient

$68.55 typical visit price

range $17.52 – $136.11

Typical copayment $17.13 (range $4.38 – $34.02)

Most-billed visit code 99213

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 14

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

MRS. PEGGY ANN DIAZ LCSW

Social Worker (Clinical)