Edmund P. Williams, MD
Psychiatry Physician · San Antonio, TX
Edmund P. Williams, MD is a psychiatry physician with a practice address in San Antonio, Texas, and NPI 1457345423, issued on Sep 7, 2005. Check the license (Texas G3912, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Edmund P. Williams
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- G3912 TX
Self-reported in NPPES; status is on the state search - Practice location
- 7122 Stonewall HL, San Antonio, TX 78256
- Phone
- (210) 404-9696
- Enumerated
- Sep 7, 2005
- Record last updated
- Jun 27, 2025
- Fax
- (210) 404-9466
- Medicaid ID
- 138419010 TX
- Medicare enrollment
- Enrolled (PECOS I20050721000446); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At Houston, 1982
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 3,318 in Texas → Look up another NPI →
Also registered at 7122 Stonewall HL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Reese Brinkley, LMSWSocial Worker1992522635
- Ariel CampaPhysician Assistant1457067472
- Deborah CastroCounselor1518504539
- Kristin Collins, LPCProfessional Counselor1942855242
- Monica Delgado, LPCProfessional Counselor1023760030
- Hansol Haldeman, PAPhysician Assistant1710757984
Verify Edmund P. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license G3912Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% fewer Medicare Part D claims than the average psychiatry physician in 2024
917 Medicare Part D claims for 84 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Clonazepam59 claims
- Lisdexamfetamine Dimesylate57 claims
- Bupropion Xl46 claims
- Dextroamphetamine-Amphet Er46 claims
- Trintellix45 claims
- Fluoxetine Hcl39 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,495.98
75 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- EP Ted Williams MD PASan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Edmund P. Williams among 3,318 psychiatry physician records in Texas
Edmund P. Williams, MD is one of 3,318 psychiatry physician records with a practice address in Texas. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated1982 · median 2006 among the 1,481 with a school on file
- Record last updated2025 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Texas
There are 3,318 psychiatry physician records in Texas.
All 3,318 in Texas → Every provider in San Antonio → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Marilou Opina, DOSan Antonio, TX 782561801474721
- Javen Cavazos, MDSan Antonio, TX 782571952666331
- Chanelle Fletcher, PMHNP-BCSan Antonio, TX 782551932031788
- Nathan JohnstonSan Antonio, TX 782571619232113
- Azalia Martinez, M.D.San Antonio, TX 782571740549401
- Helen Pankowsky, MDSan Antonio, TX 782551144524505
- John Adams, MDSan Antonio, TX 782581831393420
- Sumaira Ahmed, M.D.San Antonio, TX 782581043247687
Common questions
What is Edmund P. Williams, MD's NPI number?
Edmund P. Williams, MD's National Provider Identifier (NPI) is 1457345423, issued on Sep 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Edmund P. Williams, MD located?
The NPPES record lists a practice address at 7122 Stonewall HL, San Antonio, TX, 78256. Phone: (210) 404-9696. Providers update this record themselves, so call before visiting.
How can I verify Edmund P. Williams, MD's license?
NPPES lists Texas license number G3912, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Edmund P. Williams, MD prescribe under Medicare Part D?
In 2024, Edmund P. Williams, MD had 917 Medicare Part D claims for 84 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.