ALLERGY AND ASTHMA CONSULTANTS, PC
NPI 1427189950
Allergy & Immunology - Allergy in St. Louis, MO

Active since March 08, 2007
711 OLD BALLAS RD., SUITE 100, ST. LOUIS, MO 63141(314) 569-0510 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Allergy And Asthma Consultants, Pc NPPES

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

ALLERGY AND ASTHMA CONSULTANTS, PC (NPI 1427189950) is a healthcare organization registered as an allergy in St. Louis, Missouri and active in the NPI registry since March 2007. The organization lists Robert F. Onder, President, as its authorized official.

NPPES Registry Identity

NPI1427189950
Entity TypeOrganization
Primary Taxonomy207KA0200X
Legal Business NameALLERGY AND ASTHMA CONSULTANTS, PC
Location Address711 OLD BALLAS RD., SUITE 100St. Louis, MO 63141-7068
Mailing Address711 Old Ballas Rd., Suite 100St. Louis, MO 63141-7068 · (314) 569-0510
Organization SubpartNo
Authorized OfficialRobert F. OnderPresident · (314) 569-0510
Enumeration DateMarch 8, 2007
Last NPPES UpdateAugust 22, 2020
✔ NPI 1427189950 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & Immunology · AllergyAllopathic & Osteopathic Physicians
Taxonomy Code207KA0200X
Definition
A physician who specializes in the diagnosis, treatment, and management of allergies. Source: National Uniform Claim Committee
711 OLD BALLAS RD., St. Louis, MO 63141

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

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 And Asthma Consultants, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Allergy And Asthma Consultants, PC, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (4)

Nurse Practitioner
NPI 1700214608
711 OLD BALLAS RD STE 100
Saint Louis, MO 63141
(314) 569-0510
✔ PECOS✔ Accepts MedicareSame address
Allergy/Immunology
NPI 1164533295
711 OLD BALLAS RD SUITE 100
Saint Louis, MO 63141
(314) 569-0510
✔ PECOS✔ Accepts MedicareSame address
Allergy/Immunology
NPI 1720308448
5301 VETERANS MEMORIAL PKWY STE 101
Saint Peters, MO 63376
(314) 530-6080
✔ PECOS✔ Accepts Medicare12 mi
Nurse Practitioner
NPI 1659793883
1101 HIGHWAY K STE A
O Fallon, MO 63366
(844) 776-7200
✔ PECOS✔ Accepts Medicare30 mi

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 Allergy And Asthma Consultants, PC's NPI number?

The NPI number for Allergy And Asthma Consultants, PC is 1427189950. It was assigned to this organization in the NPPES registry on March 8, 2007.

Where is Allergy And Asthma Consultants, PC located?

Allergy And Asthma Consultants, PC is located at 711 Old Ballas Rd. Suite 100, St. Louis, MO 63141. The listed phone number is (314) 569-0510.

What is Allergy And Asthma Consultants, PC's specialty?

The primary specialty registered for this NPI is Allergy & Immunology, specializing in Allergy, with taxonomy code 207KA0200X.

Is Allergy And Asthma Consultants, PC enrolled in Medicare?

Yes. Allergy And Asthma Consultants, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Allergy And Asthma Consultants, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians reassign their Medicare billing to Allergy And Asthma Consultants, PC, in Allergy/Immunology and Nurse Practitioner. 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. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Allergy And Asthma Consultants, PC accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 3 other insurers list Allergy And Asthma Consultants, PC 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 And Asthma Consultants, PC was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.