ALLERGY & ASTHMA CENTER OF DUNCANVILLE PA
NPI 1275542227
Allergy & Immunology in Duncanville, TX

Q: What is Allergy & Asthma Center Of Duncanville PA's specialty?

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

Active since August 07, 2006CLIA 45D0906969 · Microscopy

626 W WHEATLAND RD STE B, DUNCANVILLE, TX 75116(972) 709-6673(972) 298-8590 Get Directions Write a Review

NPPES record last updated: October 24, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Allergy & Asthma Center Of Duncanville Pa NPPES

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

ALLERGY & ASTHMA CENTER OF DUNCANVILLE PA (NPI 1275542227) is a healthcare organization registered as an allergy & immunology in Duncanville, Texas and active in the NPI registry since August 2006. The organization holds a CLIA Microscopy certificate valid through October 5, 2027 and lists Presley M. Mock, President, as its authorized official.

NPPES Registry Identity

NPI1275542227

Entity TypeOrganization

Primary Taxonomy207K00000X

Legal Business NameALLERGY & ASTHMA CENTER OF DUNCANVILLE PA

Location Address626 W WHEATLAND RD STE BDuncanville, TX 75116-4588

Mailing Address626 W Wheatland Rd, # BDuncanville, TX 75116 · (972) 709-6673 · Fax (972) 298-8590

Phone(972) 709-6673

Fax(972) 298-8590

Organization SubpartNo

Authorized OfficialPresley M. MockPresident · (214) 506-2610

Enumeration DateAugust 7, 2006

Last NPPES UpdateOctober 24, 2017

✔ NPI 1275542227 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207K00000X

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.

626 W WHEATLAND RD STE B, Duncanville, TX 75116

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Other Identifiers 2

Medicare UPINC15975TX

Medicare PIN00W854TX

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Molina Healthcare, WellPoint.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Allergy & Asthma Center Of Duncanville Pa 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 Allergy & Asthma Center Of Duncanville PA, which bills Medicare for the services this clinician delivers.

Clinician (1)

Harold Delasalas, PHARMD, MD

Allergy/Immunology

NPI 1538329198

626 W WHEATLAND RD STE B
Duncanville, TX 75116

(972) 709-6673

✔ PECOS✔ Accepts MedicareSame address

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 for Provider-Performed Microscopy Procedures (PPMP) 45D0906969

Asthma & Allergy Center Of Duncanville · Duncanville, TX

Active · expires Oct 5, 2027

CLIA Number45D0906969

Laboratory TypePhysician Office

Certificate Effective DateOctober 6, 2025

Certificate Expiration DateOctober 5, 2027

Laboratory DirectorHarold C. Delasalas

Laboratory Phone(972) 709-6673

Laboratory LocationAsthma & Allergy Center Of Duncanville626 W Wheatland Rd Ste B, Duncanville, TX 75116

CLIA data matches this NPI record on: Address Phone

This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform 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 Allergy & Asthma Center Of Duncanville PA's NPI number?

The NPI number for Allergy & Asthma Center Of Duncanville PA is 1275542227. It was assigned to this organization in the NPPES registry on August 7, 2006.

Where is Allergy & Asthma Center Of Duncanville PA located?

Allergy & Asthma Center Of Duncanville PA is located at 626 W Wheatland Rd Ste B, Duncanville, TX 75116. The listed phone number is (972) 709-6673.

What is Allergy & Asthma Center Of Duncanville PA's specialty?

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

Is Allergy & Asthma Center Of Duncanville PA enrolled in Medicare?

Yes. Allergy & Asthma Center Of Duncanville PA is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Allergy & Asthma Center Of Duncanville PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Allergy/Immunology) reassigns their Medicare billing to Allergy & Asthma Center Of Duncanville 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 Allergy & Asthma Center Of Duncanville PA hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 45D0906969) is associated with this NPI, valid through October 5, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Allergy & Asthma Center Of Duncanville PA accept?

Health plans from Molina Healthcare and WellPoint list Allergy & Asthma Center Of Duncanville PA 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 Allergy & Asthma Center Of Duncanville PA was last updated on October 24, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.