DR. WILLIAM DEWAYNE HOLMES M.D.
NPI 1639348246
Psychiatry & Neurology - Psychiatry in Austin, TX

Q: What is William Holmes's NPI number?

The NPI number for William Holmes is 1639348246. It was assigned to this individual provider in the NPPES registry on February 27, 2008.

Q: What is William Holmes'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 William Holmes was last updated on October 11, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.

Active since February 27, 2008PECOS Enrolled

12515 RESEARCH BLVD, BLDG 8, SUITE 400, AUSTIN, TX 78759(210) 241-2691 Get Directions Write a Review

NPPES record last updated: October 11, 2013. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. William Dewayne Holmes M.d. NPPES

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

DR. WILLIAM DEWAYNE HOLMES M.D. (NPI 1639348246) is an individual psychiatry provider in Austin, Texas, licensed in Texas (H4418) and active in the NPI registry since February 2008. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1639348246

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. WILLIAM DEWAYNE HOLMESCredential: M.D.

Location Address12515 RESEARCH BLVD, BLDG 8, SUITE 400Austin, TX 78759-2228

Mailing Address12515 Research Blvd, Bldg 8, Suite 400Austin, TX 78759-2228 · (210) 241-2691

Phone(210) 241-2691

Sole ProprietorYes

Enumeration DateFebruary 27, 2008

Last NPPES UpdateOctober 11, 2013

✔ NPI 1639348246 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in TX · H4418

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.

Also ListedPsychiatry & Neurology · Child & Adolescent PsychiatryTaxonomy 2084P0804X · License H4418 (TX)

12515 RESEARCH BLVD, Austin, TX 78759

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company) 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 (PECOS)

Dr. William Dewayne Holmes M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 78759 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

$174.00 typical visit price

range $57.88 – $174.00

Typical copayment $43.50 (range $14.47 – $43.50)

Most-billed visit code 99205

Established Patient

$71.95 typical visit price

range $18.88 – $142.23

Typical copayment $17.98 (range $4.72 – $35.55)

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.

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 William Holmes's NPI number?

The NPI number for William Holmes is 1639348246. It was assigned to this individual provider in the NPPES registry on February 27, 2008.

Where is William Holmes located?

William Holmes practices at 12515 Research Blvd Bldg 8, Suite 400, Austin, TX 78759. The listed phone number is (210) 241-2691.

What is William Holmes's specialty?

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

Is William Holmes enrolled in Medicare?

Yes. William Holmes is registered in the Medicare PECOS enrollment system.

What insurance does William Holmes accept?

Health plans from Blue Cross and Blue Shield of Texas, Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company), Oscar Health Maintenance Organization of Florida and UnitedHealthcare list William Holmes 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 William Holmes was last updated on October 11, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.