ALLERGY AND ASTHMA CARE OF FAIRFIELD COUNTY, LLC
NPI 1710098645
Allergy & Immunology in Fairfield, CT

Q: What is Allergy And Asthma Care Of Fairfield County, LLC's specialty?

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

Active since August 31, 2006

55 WALLS DR, STE 405, FAIRFIELD, CT 06824(203) 259-7070(203) 254-7402 Get Directions Write a Review

NPPES record last updated: September 6, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Allergy And Asthma Care Of Fairfield County, Llc NPPES

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

ALLERGY AND ASTHMA CARE OF FAIRFIELD COUNTY, LLC (NPI 1710098645) is a healthcare organization registered as an allergy & immunology in Fairfield, Connecticut and active in the NPI registry since August 2006. The organization lists Kenneth S. Backman, President, as its authorized official.

NPPES Registry Identity

NPI1710098645

Entity TypeOrganization

Primary Taxonomy207K00000X

Legal Business NameALLERGY AND ASTHMA CARE OF FAIRFIELD COUNTY, LLC

Location Address55 WALLS DR, STE 405Fairfield, CT 06824-5163

Mailing Address55 Walls Dr, Suite 405Fairfield, CT 06824-5163 · (203) 259-7070 · Fax (203) 254-7402

Phone(203) 259-7070

Fax(203) 254-7402

Organization SubpartNo

Authorized OfficialKenneth S. BackmanPresident · (203) 259-7070

Enumeration DateAugust 31, 2006

Last NPPES UpdateSeptember 6, 2007

✔ NPI 1710098645 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207K00000X

License✔ Licensed in CT · 038854

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.

55 WALLS DR, Fairfield, CT 06824

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Other Identifiers 8

Medicare UPING35188

Other7914842006CT · Cigna

Other038854CT · Connecticare

Other010038854CT02CT · Anthem

Medicare PINC02890CT

Other0V8243CT · Healthnet

Other1439465CT · United Healthcare

OtherP861731CT · Oxford

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 Anthem Blue Cross and Blue Shield.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 Care Of Fairfield County, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

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

Clinicians, nearest first (4)

Kenneth Backman, M.D.

Allergy/Immunology

NPI 1174595847

55 WALLS DR STE. 405
Fairfield, CT 06824

(203) 259-7070

✔ PECOS✔ Accepts MedicareSame address

Katherine Bloom, M.D.

Allergy/Immunology

NPI 1760697635

55 WALLS DR SUITE 405
Fairfield, CT 06824

(203) 259-7070

✔ PECOS✔ Accepts MedicareSame address

Sara Dever, MD

Allergy/Immunology

NPI 1992990535

55 WALLS DR STE 405
Fairfield, CT 06824

(203) 259-7070

✔ PECOS✔ Accepts MedicareSame address

Jillian Ross, A.P.R.N.

Nurse Practitioner

NPI 1427337666

55 WALLS DR., SUITE 405
Fairfield, CT 06825

(203) 259-7070

✔ 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.

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 Care Of Fairfield County, LLC's NPI number?

The NPI number for Allergy And Asthma Care Of Fairfield County, LLC is 1710098645. It was assigned to this organization in the NPPES registry on August 31, 2006.

Where is Allergy And Asthma Care Of Fairfield County, LLC located?

Allergy And Asthma Care Of Fairfield County, LLC is located at 55 Walls Dr Ste 405, Fairfield, CT 06824. The listed phone number is (203) 259-7070.

What is Allergy And Asthma Care Of Fairfield County, LLC's specialty?

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

Is Allergy And Asthma Care Of Fairfield County, LLC enrolled in Medicare?

Yes. Allergy And Asthma Care Of Fairfield County, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Allergy And Asthma Care Of Fairfield County, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians in 2 Medicare specialties reassign their Medicare billing to Allergy And Asthma Care Of Fairfield County, LLC. 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. The largest specialties are Allergy/Immunology (3) and Nurse Practitioner (1). Of these, 4 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Allergy And Asthma Care Of Fairfield County, LLC accept?

Health plans from Anthem Blue Cross and Blue Shield list Allergy And Asthma Care Of Fairfield County, LLC 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 Care Of Fairfield County, LLC was last updated on September 6, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.