Roy Lee Williams, MD, MPH
Psychiatry Physician · Houston, TX
Roy Lee Williams, MD, MPH is a psychiatry physician with a practice address in Houston, Texas, and NPI 1508361262, issued on Mar 26, 2018. Check the license (Texas T7392, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Roy Lee Williams
- Credential
- MD, MPH
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- T7392 TX
Self-reported in NPPES; status is on the state search - Practice location
- 7200 Cambridge St, 10TH Floor, Houston, TX 77030
- Phone
- (713) 798-1000
- Enumerated
- Mar 26, 2018
- Record last updated
- Aug 28, 2023
- Medicare enrollment
- Enrolled (PECOS I20221006000884); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 2018
- 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 7200 Cambridge St, 10TH Floor
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Chidi Ani, MDAnesthesiology Physician1386932259
Verify Roy Lee Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license T7392Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average psychiatry physician in 2024
164 Medicare Part D claims for 42 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Sertraline Hcl43 claims
- Escitalopram Oxalate27 claims
- Mirtazapine22 claims
- Amitriptyline Hcl12 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.
The MIPS final score for 2023 (Medicare payment program): 91.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Baylor College OF MedicineHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Roy Lee Williams among 3,318 psychiatry physician records in Texas
Roy Lee Williams, MD, MPH 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 2018, is newer than 79% of them.
- NPI issued2018 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated2018 · median 2006 among the 1,481 with a school on file
- Record last updated2023 · 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 Houston → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Patricia Butler, M.D.Houston, TX 770301174557185
- Emilio Cardona, M.D.Houston, TX 770301467456897
- Reeba Chacko, M.D.Houston, TX 770301881650786
- Inna D'Empaire, MDHouston, TX 770301710904511
- Elizabeth David, M.D.Houston, TX 770301184642423
- Herbert Dorfan, M.D.Houston, TX 770301346245636
- Laura Marsh, M.D.Houston, TX 770301619903770
- Anu Matorin, M.D.Houston, TX 770301780618710
Common questions
What is Roy Lee Williams, MD, MPH's NPI number?
Roy Lee Williams, MD, MPH's National Provider Identifier (NPI) is 1508361262, issued on Mar 26, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Roy Lee Williams, MD, MPH located?
The NPPES record lists a practice address at 7200 Cambridge St, 10TH Floor, Houston, TX, 77030. Phone: (713) 798-1000. Providers update this record themselves, so call before visiting.
How can I verify Roy Lee Williams, MD, MPH's license?
NPPES lists Texas license number T7392, 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 Roy Lee Williams, MD, MPH prescribe under Medicare Part D?
In 2024, Roy Lee Williams, MD, MPH had 164 Medicare Part D claims for 42 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Roy Lee Williams, MD, MPH's MIPS final score?
The 2023 MIPS final score is 91.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.