Dr. Roy Lee Williams Jr., MD, MPH
- Medicare services, 2024
- 83
- Medicare patients, 2024
- 42
- Part D claims, 2024
- 164
- Hospital affiliations
- 2
- Medical group
- 1
- Practice address
- 6720 Bertner Ave, STE Mc1-266, Houston, TX 77030
- Practice phone
- Call (832) 355-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Williams' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Roy Lee Williams Jr. is a psychiatrist in Houston, Texas
Dr. Williams practices at Baylor St. Luke's Medical Center in Houston, Texas, part of CommonSpirit Health.
Dr. Williams' NPI, 1508361262, was assigned on March 26, 2018. Dr. Williams graduated from Joe R. & Teresa Lozano Long School of Medicine in 2019. Dr. Williams holds Texas license T7392.
- NPI
- 1508361262NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345626891
- NPI enumeration date
- March 26, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (832) 355-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Roy Lee Williams Jr. practices at Baylor St. Luke's Medical Center in Houston, Texas
Dr. Williams' primary practice is Baylor St. Luke's Medical Center, at 6720 Bertner Ave, STE Mc1-266, Houston, TX 77030 in Harris County. The practice phone is (832) 355-1000.
- Baylor St. Luke's Medical Center6720 Bertner Ave, STE Mc1-266, Houston, TX 77030 · Harris CountyPhone(832) 355-1000
Source: Dmand AI Affiliation Data
Dr. Roy Lee Williams Jr. is affiliated with 2 sites of care and 1 medical group
Dr. Williams' primary practice is Baylor St. Luke's Medical Center in Houston, Texas, part of CommonSpirit Health. The medical group on file is Baylor Medicine. Dmand AI also links Dr. Williams to 1 more hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Roy Lee Williams Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Baylor St. Luke's Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Roy Lee Williams Jr. is one of 2,406 psychiatrists in Texas
Psychiatry is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Williams is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dr. Williams is licensed in Texas.
Specialties and state licenses
- Psychiatry, TexasPrimary
Clinical focus
Dmand AI lists alcohol use disorders and anxiety among the conditions Dr. Williams treats.
Psychiatrists near Dr. Williams
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Roy Lee Williams Jr. billed Medicare for 83 services in 2024
CMS data shows 83 Medicare services from Dr. Williams across 2 procedure codes in 2024, for 42 Medicare patients. Medicare paid $6,451 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Williams' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 392024: 83113%
Dr. Williams compared with the Texas median for psychiatrists, 2024
- Dr. Williams
- Texas median
- Medicare services
- 83vs 11025% below
- Medicare patients
- 42vs 43Close to median
- Part D claims
- 104vs 16336% below
Medians across 2,341 psychiatrists in Texas with Dmand AI profiles that report each measure.
Dr. Williams' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Roy Lee Williams Jr. treated 42 Medicare patients in 2024, average age 59
CMS counts 42 Medicare patients who saw Dr. Williams in 2024. The largest group is under 65, with 20 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 31% are also on Medicaid. Their average risk score is 3.56, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 57, with 51% women.
Dr. Williams' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Williams' Medicare patients by sex, 2024
- Women2252%
- Men2048%
Chronic conditions among Dr. Williams' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease74%
- Mood disorders74%
- Anxiety71%
- Depression71%
- Diabetes64%
- Ischemic heart disease50%
Share of Medicare patients with each condition. A patient can have several.
Dr. Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Roy Lee Williams Jr. wrote 164 Medicare Part D claims in 2024
In 2024, Dr. Williams wrote 164 Medicare Part D claims for 42 patients. 100% of them were for generic drugs. CMS names the drug for 104 of them, across 4 drugs with 11 or more claims each, at $958 in total drug cost. In 2021, CMS named 28 claims across 2 drugs.
Dr. Williams' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2024
- 2021
- 2024
- Claims for drugs CMS names
- 2021: 282024: 104271%
Drugs named by CMS: 4 in 2024, 2 in 2021.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Roy Lee Williams Jr. takes part in Medicare
Dr. Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Roy Lee Williams Jr. graduated from Joe R. & Teresa Lozano Long School of Medicine
Dr. Williams graduated from Joe R. & Teresa Lozano Long School of Medicine in 2019.
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Dr. Roy Lee Williams Jr. accepts plans from 18 insurance carriers
Dr. Williams is in network with 18 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Elevance
- United Healthcare
- Cigna
- HCSC
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- +10 more carriersWith a free account
Plan types Dr. Williams accepts, by number of carriers
- PPO12
- HMO10
- Medicare8
- POS4
- EPO3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Roy Lee Williams Jr.'s profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Roy Lee Williams Jr.
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Roy Lee Williams Jr.'s NPI number?
Dr. Roy Lee Williams Jr.'s NPI number is 1508361262. It was assigned on March 26, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Roy Lee Williams Jr.?
Dr. Roy Lee Williams Jr. is a psychiatrist in Houston, Texas. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Roy Lee Williams Jr. practice?
Dr. Williams practices at 6720 Bertner Ave, STE Mc1-266, Houston, TX 77030. Dr. Williams' primary practice is Baylor St. Luke's Medical Center in Houston, Texas, part of CommonSpirit Health. Dmand AI also links Dr. Williams to 1 hospital.
What is Dr. Roy Lee Williams Jr.'s office phone number?
The practice phone on file for Dr. Williams is (832) 355-1000.
What is Dr. Roy Lee Williams Jr.'s medical license number?
Dr. Williams holds Texas license T7392.
Which hospitals is Dr. Roy Lee Williams Jr. affiliated with?
Dr. Williams practices at Baylor St. Luke's Medical Center in Houston, Texas. Dmand AI links Dr. Williams to 1 more hospital.
What medical group is Dr. Roy Lee Williams Jr. part of?
Dr. Williams is linked to Baylor Medicine.
Does Dr. Roy Lee Williams Jr. accept Medicare?
Yes. CMS data shows Dr. Williams billed Medicare for 83 services in 2024, and Dr. Williams accepts Medicare assignment.
How many Medicare patients does Dr. Roy Lee Williams Jr. see?
CMS counts 42 Medicare patients who saw Dr. Williams in 2024, with an average age of 59.
Is Dr. Roy Lee Williams Jr. board certified?
Yes. Dr. Williams is board certified in psychiatry by the American Board of Psychiatry and Neurology.
Show 5 more questionsShow fewer questions
What services does Dr. Roy Lee Williams Jr. bill to Medicare?
In 2024, Dr. Williams' most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99222).
Where did Dr. Roy Lee Williams Jr. go to medical school?
Dr. Williams graduated from Joe R. & Teresa Lozano Long School of Medicine in 2019.
What drugs does Dr. Roy Lee Williams Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Sertraline HCl, Escitalopram Oxalate and Mirtazapine.
How long has Dr. Roy Lee Williams Jr. been practicing?
Dr. Williams graduated from medical school in 2019, 7 years ago.
What insurance does Dr. Roy Lee Williams Jr. accept?
Dr. Williams is in network with 18 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
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