Dr William Dewayne Holmes, MD - Medicare Psychiatry & Neurology in Austin, TX

Dr William Dewayne Holmes, MD is a medicare enrolled "Psychiatry & Neurology - Psychiatry" physician in Austin, Texas. His current practice location is 12515 Research Blvd, Bldg 8, Suite 400, Austin, Texas. You can reach out to his office (for appointments etc.) via phone at (210) 241-2691.

Dr William Dewayne Holmes is licensed to practice in Texas (license number H4418) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1639348246.

Contact Information

Dr William Dewayne Holmes, MD
12515 Research Blvd, Bldg 8, Suite 400,
Austin, TX 78759-2228
(210) 241-2691
Not Available

Map and Direction




Physician's Profile

Full NameDr William Dewayne Holmes
GenderMale
SpecialityPsychiatry & Neurology - Psychiatry
Location12515 Research Blvd, Austin, Texas
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1639348246
  • Provider Enumeration Date: 02/27/2008
  • Last Update Date: 10/11/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 5597836049
  • Enrollment ID: I20080611000467

Medical Identifiers

Medical identifiers for Dr William Dewayne Holmes such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1639348246NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084P0800XPsychiatry & Neurology - Psychiatry H4418 (Texas)Primary
2084P0804XPsychiatry & Neurology - Child & Adolescent Psychiatry H4418 (Texas)Secondary

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr William Dewayne Holmes is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr William Dewayne Holmes, MD
12515 Research Blvd, Bldg 8, Suite 400,
Austin, TX 78759-2228

Ph: (210) 241-2691
Dr William Dewayne Holmes, MD
12515 Research Blvd, Bldg 8, Suite 400,
Austin, TX 78759-2228

Ph: (210) 241-2691

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

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