P Praxis·MD
● Active Type 1 · Individual

Adam Matthew Willis, M.D.,PH.D.

Psychiatry & Neurology·Fort Sam Houston, TX· NPI 1508124272 · Enumerated 2012 · 14 years on NPI
Willis is 1 of 3 psychiatry & neurology providers in Fort Sam Houston and 1 of 60 in Texas.
NPI age
14 years
Enumerated 2012-05-01
Primary specialty
Psychiatry & Neurology
Plus 1 subspecialty
Licensed in
TX, VA
2 states
Status
Active
No deactivations on record
Last NPPES update
2019-08-09
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org

How this provider compares

Across 60 active psychiatry & neurology providers in Texas.

NPI age
14 years
↑ 2 yr above median (12 yr)
State licenses
2 states
Top 55% — 45% of peers are multi-state
Subspecialties
1
In the 83% of peers with subspecialties

NPI lifetime · 2012 → 2026

2012-05Enumerated in NPPES
2012 2026

Where they practice

Practice location
3551 Roger Brooke Dr, Department Of Neurology
Fort Sam Houston, TX 78234
📞 2109162203
Mailing address
3551 Roger Brooke Dr Dept Of
Fort Sam Houston, TX 782344504

Additional practice locations

2 secondary locations on file with NPPES.

Location 2
2200 Bergquist Dr, Internal Medicine Clinic
Lackland A F B, TX 782369907
📞 2102927805fax 2102927868
Location 3
2200 Bergquist Dr, Internal Medicine Clinic
Lackland A F B, TX 782369907
📞 2102927805fax 2102927868

Specialties

  • Psychiatry & Neurology Primary
    The medical subspecialty of Neurocritical Care is devoted to the comprehensive, multisystem care of the critically-ill neurological patient. Like other intensivists, the neurointensivist generally assumes the primary role for...
    TX license #R1322 taxonomy 2084A2900X
  • General Practice
    A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions.
    VA license #0101254958 taxonomy 208D00000X

Practice context

Part of a multi-provider practice. 1394 other active providers share this practice address in NPPES.

Provyx · Custom healthcare lists

Need all 60 Psychiatry & Neurology providers in Texas?

Get the full list as a CSV with verified work emails, direct phones, and LinkedIn URLs.

Request a quote →

How to verify this provider

  1. Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
  2. Check the state license is currently active.State licensing boards publish current status; NPPES does not.
  3. Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.

Related