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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CHARLES GREGORY, DO PA
NPI 1952420804
Family Medicine in Portland, TX

Active since March 29, 2007CLIA 45D1048310 · Waiver
1500 WILDCAT DR STE C, PORTLAND, TX 78374(361) 643-9800(361) 643-5112 Get Directions Write a Review

NPPES record last updated: August 11, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

About Charles Gregory, Do Pa NPPES

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

CHARLES GREGORY, DO PA (NPI 1952420804) is a healthcare organization registered as a family medicine in Portland, Texas and active in the NPI registry since March 2007. The organization holds a CLIA Waiver certificate valid through November 28, 2027 and lists Charles Gregory, Owner, as its authorized official.

NPPES Registry Identity

NPI1952420804
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameCHARLES GREGORY, DO PA
Location Address1500 WILDCAT DR STE CPortland, TX 78374-2826
Mailing Address1500 Wildcat Dr Ste CPortland, TX 78374-2826 · (361) 643-9800 · Fax (361) 336-0001
Phone(361) 643-9800
Fax(361) 643-5112
Organization SubpartNo
Authorized OfficialCharles GregoryOwner · (361) 643-9800
Enumeration DateMarch 29, 2007
Last NPPES UpdateAugust 11, 2026
NPPES CertifiedAugust 11, 2026
✔ NPI 1952420804 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in TX · L7737
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1500 WILDCAT DR STE C, Portland, TX 78374
Open in Google Maps ↗

Other Identifiers 2

Medicaid179568401TX
Other0037MYTX · Bcbs Tx Group

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 45D1048310

Charles Gregory Family Medicine Do · Portland, TX
Active · expires Nov 28, 2027
CLIA Number45D1048310
Laboratory TypePhysician Office
Certificate Effective DateNovember 29, 2025
Certificate Expiration DateNovember 28, 2027
Laboratory DirectorCharles C. Gregory
Laboratory Phone(361) 643-9800
Laboratory LocationCharles Gregory Family Medicine Do311 B Buddy Ganem, Portland, TX 78374
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. GLORIA PERALES SOLIS NP-C
Nurse Practitioner (Family)
1500 WILDCAT DR STE C
PORTLAND, TX 78374
San Patricio County (361) 643-9800
BONNIE HARRIS FNP
Nurse Practitioner (Pediatrics)
1500 WILDCAT DR STE C
PORTLAND, TX 78374
San Patricio County (361) 643-9800

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 Gregory, Do PA's NPI number?

The NPI number for Charles Gregory, Do PA is 1952420804. It was assigned to this organization in the NPPES registry on March 29, 2007.

Where is Charles Gregory, Do PA located?

Charles Gregory, Do PA is located at 1500 Wildcat Dr Ste C, Portland, TX 78374. The listed phone number is (361) 643-9800.

What is Charles Gregory, Do PA's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Does Charles Gregory, Do PA hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 45D1048310) is associated with this NPI, valid through November 28, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Charles Gregory, Do PA was last updated on August 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 42 days 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.