DR. ALEJANDRO MUSTIELES MD
NPI 1508445255
Psychiatry & Neurology - Psychiatry in Sherman, TX

Q: What is Alejandro Mustieles's NPI number?

The NPI number for Alejandro Mustieles is 1508445255. It was assigned to this individual provider in the NPPES registry on April 7, 2021.

Q: What is Alejandro Mustieles's specialty?

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

Active since April 07, 2021PECOS Enrolled

425 N HIGHLAND AVE STE 260, SHERMAN, TX 75092(903) 957-0082(903) 957-0351 Get Directions Write a Review

NPPES record last updated: February 6, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 6, 2026, Jul 6, 2023, Apr 7, 2021 (3 updates tracked since 2021).

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About Dr. Alejandro Mustieles Md NPPES

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

DR. ALEJANDRO MUSTIELES MD (NPI 1508445255) is an individual psychiatry provider in Sherman, Texas, licensed in Texas (V9670) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2010).

NPPES Registry Identity

NPI1508445255

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. ALEJANDRO MUSTIELESCredential: MD

Location Address425 N HIGHLAND AVE STE 260Sherman, TX 75092-7377

Mailing Address425 N Highland Ave Ste 260Sherman, TX 75092-7377 · (903) 957-0082 · Fax (903) 957-0351

Phone(903) 957-0082

Fax(903) 957-0351

Sole ProprietorNo

Medical School CMSOtherGraduated 2010

Enumeration DateApril 7, 2021

Last NPPES UpdateFebruary 6, 20263 updates tracked since enumeration

NPPES CertifiedFebruary 6, 2026

✔ NPI 1508445255 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in TX · V9670

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.

425 N HIGHLAND AVE STE 260, Sherman, TX 75092

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Secondary Practice Locations 2

Location 17589 Preston Rd Ste 900Frisco, TX 75034-5676 · Phone (903) 957-0082 · Fax (903) 957-0351

Location 21220 W Presidio StFort Worth, TX 76102-4512 · Phone (903) 957-0082 · Fax (903) 957-0351

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Alejandro Mustieles Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6103308085

PECOS Enrollment IDI20260302001187

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75092 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 10

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

DR. BARBARA ANNE GRAHAM M.D.

Pediatrics