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ADVANCED ASTHMA & ALLERGY CENTER
NPI 1235394727
Allergy & Immunology in Houston, TX

Active since July 23, 2008CLIA 45D1088292 · Waiver
4003 BELLAIRE BLVD, SUITE G, HOUSTON, TX 77025(281) 253-3557 Get Directions Write a Review

NPPES record last updated: July 24, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Advanced Asthma & Allergy Center NPPES

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

ADVANCED ASTHMA & ALLERGY CENTER (NPI 1235394727) is a healthcare organization registered as an allergy & immunology in Houston, Texas and active in the NPI registry since July 2008. The organization holds a CLIA Waiver certificate valid through August 20, 2028 and lists Christopher Collaco, Ower/physician, as its authorized official.

NPPES Registry Identity

NPI1235394727
Entity TypeOrganization
Primary Taxonomy207K00000X
Legal Business NameCHRISTOPHER COLLACO MD PHD PA
Location Address4003 BELLAIRE BLVD, SUITE GHouston, TX 77025-1160
Mailing Address4003 Bellaire Blvd, GHouston, TX 77025-1160 · (713) 502-7932
Phone(281) 253-3557
Organization SubpartNo
Authorized OfficialChristopher CollacoOwer/physician · (713) 502-7932
Enumeration DateJuly 23, 2008
Last NPPES UpdateJuly 24, 2008
✔ NPI 1235394727 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in TX · L3266
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
4003 BELLAIRE BLVD, Houston, TX 77025
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Other Names 1

Doing Business AsAdvanced Asthma & Allergy Center

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Advanced Asthma & Allergy Center is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Advanced Asthma & Allergy Center, which bills Medicare for the services this clinician delivers.

Clinician (1)

Christopher Collaco, M.D.
Allergy/Immunology
NPI 1982622510
3914 GRAMERCY ST SUITE A
Houston, TX 77025
(713) 888-0881
✔ PECOS✔ Accepts Medicare0.1 mi

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

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 45D1088292

Advanced Asthma & Allergy Center · Houston, TX
Active · expires Aug 20, 2028
CLIA Number45D1088292
Laboratory TypePhysician Office
Certificate Effective DateAugust 21, 2026
Certificate Expiration DateAugust 20, 2028
Laboratory DirectorChristopher R. Collaco MD
Laboratory Phone(713) 888-0881
Laboratory LocationAdvanced Asthma & Allergy Center3914 Gramercy, Suite A, Houston, TX 77025
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory to perform only waived tests.

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 Christopher Collaco MD Phd PA's NPI number?

The NPI number for Christopher Collaco MD Phd PA is 1235394727. It was assigned to this organization in the NPPES registry on July 23, 2008. The provider is doing business as Advanced Asthma & Allergy Center.

Where is Christopher Collaco MD Phd PA located?

Christopher Collaco MD Phd PA is located at 4003 Bellaire Blvd Suite G, Houston, TX 77025. The listed phone number is (281) 253-3557.

What is Christopher Collaco MD Phd PA's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Christopher Collaco MD Phd PA enrolled in Medicare?

Yes. Christopher Collaco MD Phd PA is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Christopher Collaco MD Phd PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Allergy/Immunology) reassigns their Medicare billing to Christopher Collaco MD Phd PA. 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.

Does Christopher Collaco MD Phd PA hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 45D1088292) is associated with this NPI, valid through August 20, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Christopher Collaco MD Phd PA was last updated on July 24, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.