DR. ROY LEE WILLIAMS JR. MD, MPH
NPI 1508361262
Psychiatry & Neurology - Psychiatry in Houston, TX
About Dr. Roy Lee Williams Jr. Md, Mph NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROY LEE WILLIAMS JR. MD, MPH (NPI 1508361262) is an individual psychiatry provider in Houston, Texas, licensed in Texas (T7392) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with Chi St Luke's Health Baylor College Of Medicine Me, and maintains a secondary practice location in Houston.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Roy Lee Williams Jr. Md, Mph is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Roy Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 2,554 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Chi St Luke's Health Baylor College Of Medicine Me
Acute Care Hospitals · Houston, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Roy Williams's NPI number?
The NPI number for Roy Williams is 1508361262. It was assigned to this individual provider in the NPPES registry on March 26, 2018.
Where is Roy Williams located?
Roy Williams practices at 7200 Cambridge St, 10th Floor, Houston, TX 77030. The listed phone number is (713) 798-1000.
What is Roy Williams's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Roy Williams enrolled in Medicare?
Yes. Roy Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Roy Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Roy Williams reassigns Medicare benefits to Baylor College Of Medicine (Houston, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Roy Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Roy Williams accept?
Health plans from Blue Cross and Blue Shield of Texas list Roy Williams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Roy Williams affiliated with any hospitals?
According to CMS data, Roy Williams is affiliated with Chi St Luke's Health Baylor College Of Medicine Me.
When was this NPI record last updated?
The NPPES record for Roy Williams was last updated on August 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Roy Lee Williams Jr., MD, MPH · NPI 1508361262
Psychiatry physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since March 26, 2018.
## Identity
- **NPI:** 1508361262 (Entity type: Individual)
- **Enumerated:** March 26, 2018
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** T7392 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 7200 CAMBRIDGE ST, 10TH FLOOR, Houston, TX 77030-4202
- **Phone:** (713) 798-1000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Baylor College Of Medicine (NPI 1881026664, Houston, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Medical School At San Antonio, class of 2018
## Record status
- **NPPES last updated:** August 28, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1508361262) · Data from the CMS NPPES public registry.