Edmund Williams, MD
NPI 1457345423 · Psychiatry Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Edmund Williams, MD is a Psychiatry Physician provider in San Antonio, TX (NPI 1457345423).
Provider details
- NPI number
- 1457345423
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G3912 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 59 | — |
| Lisdexamfetamine Dimesylate | 57 | — |
| Bupropion Hclbrand: Bupropion Xl | 46 | 13 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphet Er | 46 | — |
| Vortioxetine Hydrobromidebrand: Trintellix | 45 | — |
| Fluoxetine Hcl | 39 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,496 across 75 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-07
- Last updated
- 2025-06-27
- Certified
- 2025-06-27
Frequently asked questions
- What is Edmund Williams's NPI number?
- Edmund Williams's National Provider Identifier (NPI) is 1457345423, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Edmund Williams's specialty?
- Edmund Williams is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Edmund Williams located?
- Edmund Williams's practice location on file with NPPES is 7122 Stonewall Hl, San Antonio, TX 78256-1926.
- What is Edmund Williams's phone number?
- The practice phone number listed in the NPPES registry for Edmund Williams is (210) 404-9696.
- Does Edmund Williams accept Medicare?
- Edmund Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Edmund Williams's NPI active?
- Yes — Edmund Williams's NPI (1457345423) is active in the NPPES registry as of the last update on 2025-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.