DR. CHARLES F GRAY PH.D.
NPI 1518953173
Psychologist - Clinical in Sugar Land, TX
About Dr. Charles F Gray Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHARLES F GRAY PH.D. (NPI 1518953173) is an individual clinical provider in Sugar Land, Texas, licensed in Texas (23341) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1986).
NPPES Registry Identity
Specialties & Licenses 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Charles F Gray Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Charles Gray reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Houston, TX 77074
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Charles F Gray Phd PC
- 3 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77479 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Charles Gray's NPI number?
The NPI number for Charles Gray is 1518953173. It was assigned to this individual provider in the NPPES registry on September 20, 2005.
Where is Charles Gray located?
Charles Gray practices at 6011 Kelsey Place Ct, Sugar Land, TX 77479. The listed phone number is (713) 774-2122.
What is Charles Gray's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is Charles Gray enrolled in Medicare?
Yes. Charles Gray is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Charles Gray's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charles Gray reassigns Medicare benefits to Charles F. Gray, Ph.D., P.C. (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 Charles Gray's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Charles Gray accept?
Health plans from Oscar Health and UnitedHealthcare list Charles Gray 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.
When was this NPI record last updated?
The NPPES record for Charles Gray was last updated on September 6, 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. Charles F Gray, PH.D. · NPI 1518953173
Clinical provider in Sugar Land, Texas. Individual provider, active in the CMS NPPES registry since September 20, 2005.
## Identity
- **NPI:** 1518953173 (Entity type: Individual)
- **Enumerated:** September 20, 2005
- **Primary specialty:** Psychologist - Clinical · taxonomy 103TC0700X
- **State license:** 23341 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 6011 KELSEY PLACE CT, Sugar Land, TX 77479-5071
- **Phone:** (713) 774-2122
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Charles F. Gray, Ph.D., P.C. (NPI 1720290448, Houston, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1986
## Record status
- **NPPES last updated:** September 6, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1518953173) · Data from the CMS NPPES public registry.