CHARLES F. GRAY, PH.D., P.C.
NPI 1720290448
Counselor - Professional in Houston, TX

Q: What is Charles F. Gray, Ph.D., P.C.'s NPI number?

The NPI number for Charles F. Gray, Ph.D., P.C. is 1720290448. It was assigned to this organization in the NPPES registry on May 4, 2007. The provider is also known as Chuck Gray, Ph.D. & Associates.

Q: What is Charles F. Gray, Ph.D., P.C.'s specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Active since May 04, 2007

8303 SOUTHWEST FWY, SUITE 330, HOUSTON, TX 77074(713) 774-2122(713) 774-3223 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 11, 2025, Aug 22, 2020 (2 updates tracked since 2020).

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About Charles F. Gray, Ph.d., P.c. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHARLES F. GRAY, PH.D., P.C. (NPI 1720290448) is a healthcare organization registered as a professional in Houston, Texas and active in the NPI registry since May 2007. The organization lists Charles F Gray, President, as its authorized official.

NPPES Registry Identity

NPI1720290448

Entity TypeOrganization

Primary Taxonomy101YP2500X

Legal Business NameCHARLES F. GRAY, PH.D., P.C.

Location Address8303 SOUTHWEST FWY, SUITE 330Houston, TX 77074-1600

Mailing Address8303 Southwest Fwy, Suite 330Houston, TX 77074-1600 · (713) 774-2122 · Fax (713) 774-3223

Phone(713) 774-2122

Fax(713) 774-3223

Organization SubpartNo

Authorized OfficialCharles F GrayPresident · (713) 774-2122

Enumeration DateMay 4, 2007

Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration

✔ NPI 1720290448 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 8

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers

Taxonomy Code101YP2500X

License✔ Licensed in TX · 16215

Also ListedCounselorTaxonomy 101Y00000X · License 16215 (TX)

Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License 16215 (TX)

Also ListedCounselor · PastoralTaxonomy 101YP1600X · License 16215 (TX)

Also ListedPsychologist · Cognitive & BehavioralTaxonomy 103TB0200X · License 22982 (TX), 23341 (TX)

Also ListedPsychologist · ClinicalTaxonomy 103TC0700X · License 23341 (TX), 22982 (TX)

Also ListedPsychologist · CounselingTaxonomy 103TC1900X · License 23341 (TX), 22982 (TX)

Also ListedPsychologist · FamilyTaxonomy 103TF0000X · License 23341 (TX), 22982 (TX)

Other Names 1

Other NameChuck Gray, Ph.d. & Associates

Other Identifiers 1

Other07DJTX · Bcbs Of Texas

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Charles F. Gray, Ph.d., P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 3 clinicians reassign Medicare billing to Charles F. Gray, Ph.D., P.C., which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians, nearest first (3)

Charles Gray, PH.D.

Clinical Psychologist

NPI 1518953173

6011 KELSEY PLACE CT
Sugar Land, TX 77479

(713) 774-2122

✔ PECOS

Karen Waldman, PH.D.

Clinical Psychologist

NPI 1952415515

2002 HOLCOMBE BLVD MEDVAMC - MHCL - CMHP 116
Houston, TX 77030

(713) 791-1414

✔ PECOS✔ Accepts Medicare

Kenneth Waldman, PH.D.

Clinical Psychologist

NPI 1073627725

8303 SW FWY STE 330
Houston, TX 77074

(713) 774-2122

✔ PECOS✔ Accepts Medicare

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 F. Gray, Ph.D., P.C.'s NPI number?

The NPI number for Charles F. Gray, Ph.D., P.C. is 1720290448. It was assigned to this organization in the NPPES registry on May 4, 2007. The provider is also known as Chuck Gray, Ph.D. & Associates.

Where is Charles F. Gray, Ph.D., P.C. located?

Charles F. Gray, Ph.D., P.C. is located at 8303 Southwest Fwy Suite 330, Houston, TX 77074. The listed phone number is (713) 774-2122.

What is Charles F. Gray, Ph.D., P.C.'s specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Is Charles F. Gray, Ph.D., P.C. enrolled in Medicare?

Yes. Charles F. Gray, Ph.D., P.C. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Charles F. Gray, Ph.D., P.C.?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians, all in Clinical Psychologist, reassign their Medicare billing to Charles F. Gray, Ph.D., P.C.. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Charles F. Gray, Ph.D., P.C. was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.