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PHILIP A. WALLER, MD, PA
NPI 1639368277
Internal Medicine - Rheumatology in Houston, TX

Active since October 19, 2007CLIA 45D1092548 · Waiver
11003 RESOURCE PKWY STE 104, HOUSTON, TX 77089(281) 481-8557(281) 484-7916 Get Directions Write a Review

NPPES record last updated: May 1, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: May 1, 2026, Sep 10, 2019 (2 updates tracked since 2019).

About Philip A. Waller, Md, Pa NPPES

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

PHILIP A. WALLER, MD, PA (NPI 1639368277) is a healthcare organization registered as a rheumatology in Houston, Texas and active in the NPI registry since October 2007. The organization holds a CLIA Waiver certificate valid through November 25, 2026 and lists Philip A Waller, Owner, as its authorized official.

NPPES Registry Identity

NPI1639368277
Entity TypeOrganization
Primary Taxonomy207RR0500X
Legal Business NamePHILIP A. WALLER, MD, PA
Location Address11003 RESOURCE PKWY STE 104Houston, TX 77089-6142
Mailing Address11003 Resource Pkwy Ste 104Houston, TX 77089-6142 · (281) 481-8557 · Fax (281) 484-7916
Phone(281) 481-8557
Fax(281) 484-7916
Organization SubpartNo
Authorized OfficialPhilip A WallerOwner · (281) 481-8557
Enumeration DateOctober 19, 2007
Last NPPES UpdateMay 1, 20262 updates tracked since enumeration
NPPES CertifiedMay 1, 2026
✔ NPI 1639368277 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in TX · J3933
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
11003 RESOURCE PKWY STE 104, Houston, TX 77089
Open in Google Maps ↗

Other Identifiers 4

Other8AW783TX · Bcbs
Other1588630578TX · Individual Npi
Other5214420001TX · Dme
OtherP00063802TX · Rrmc

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 45D1092548

Philip A Waller, MD, PA · Houston, TX
Active · expires Nov 25, 2026
CLIA Number45D1092548
Laboratory TypeAncillary Testing Site In Health Care Center
Certificate Effective DateNovember 26, 2024
Certificate Expiration DateNovember 25, 2026
Laboratory DirectorPhilip A. Waller MD
Laboratory Phone(281) 481-8557
Laboratory LocationPhilip A Waller, MD, PA11003 Resource Parkway Suite 104, Houston, TX 77089
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 3

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

MARINA ALEKSANDROVNA HARRIS PA-C
Physician Assistant
11003 RESOURCE PKWY STE 104
HOUSTON, TX 77089
Harris County (281) 481-8557
MS. CHRISTIE BEHRENS PA-C
Physician Assistant
11003 RESOURCE PKWY STE 104
HOUSTON, TX 77089
Harris County (281) 481-8557
DR. PHILIP A WALLER M.D.
Internal Medicine (Rheumatology)
11003 RESOURCE PKWY STE 104
HOUSTON, TX 77089
Harris County (281) 481-8557

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 Philip A. Waller, MD, PA's NPI number?

The NPI number for Philip A. Waller, MD, PA is 1639368277. It was assigned to this organization in the NPPES registry on October 19, 2007.

Where is Philip A. Waller, MD, PA located?

Philip A. Waller, MD, PA is located at 11003 Resource Pkwy Ste 104, Houston, TX 77089. The listed phone number is (281) 481-8557.

What is Philip A. Waller, MD, PA's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Does Philip A. Waller, MD, PA hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 45D1092548) is associated with this NPI, valid through November 25, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Philip A. Waller, MD, PA was last updated on May 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.