ALLERGY & ASTHMA ASSOCIATES OF STAMFORD, P.C/
NPI 1801055231
Allergy & Immunology in Stamford, CT

Q: What is Allergy & Asthma Associates Of Stamford, P.C/'s specialty?

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

Active since June 02, 2008

144 MORGAN ST, SUITE 3, STAMFORD, CT 06905(203) 324-9525(203) 324-0797 Get Directions Write a Review

NPPES record last updated: June 2, 2008. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Allergy & Asthma Associates Of Stamford, P.c/ NPPES

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

ALLERGY & ASTHMA ASSOCIATES OF STAMFORD, P.C/ (NPI 1801055231) is a healthcare organization registered as an allergy & immunology in Stamford, Connecticut and active in the NPI registry since June 2008. The organization lists Leslie Ruth Coleman, President, as its authorized official.

NPPES Registry Identity

NPI1801055231

Entity TypeOrganization

Primary Taxonomy207K00000X

Legal Business NameALLERGY & ASTHMA ASSOCIATES OF STAMFORD, P.C/

Location Address144 MORGAN ST, SUITE 3Stamford, CT 06905-5433

Mailing Address144 Morgan St, Suite 3Stamford, CT 06905-5433 · (203) 324-9525 · Fax (203) 324-0797

Phone(203) 324-9525

Fax(203) 324-0797

Organization SubpartNo

Authorized OfficialLeslie Ruth ColemanPresident · (203) 324-9525

Enumeration DateJune 2, 2008

✔ NPI 1801055231 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 · 028644

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.

144 MORGAN ST, Stamford, CT 06905

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Allergy & Asthma Associates Of Stamford, P.c/ is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by January 31, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date

StateConnecticutEnrollment IDO20120523000123Non-DME Part B · Clinic/Group PracticeDue dateJanuary 31, 2027

Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Allergy & Asthma Associates Of Stamford, P.C/, which bills Medicare for the services this clinician delivers.

Clinician (1)

Leslie Coleman, MD

Allergy/Immunology

NPI 1881774065

144 MORGAN STREET SUITE 3
Stamford, CT 06905

(203) 324-9525

✔ 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 & Asthma Associates Of Stamford, P.C/'s NPI number?

The NPI number for Allergy & Asthma Associates Of Stamford, P.C/ is 1801055231. It was assigned to this organization in the NPPES registry on June 2, 2008.

Where is Allergy & Asthma Associates Of Stamford, P.C/ located?

Allergy & Asthma Associates Of Stamford, P.C/ is located at 144 Morgan St Suite 3, Stamford, CT 06905. The listed phone number is (203) 324-9525.

What is Allergy & Asthma Associates Of Stamford, P.C/'s specialty?

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

Is Allergy & Asthma Associates Of Stamford, P.C/ enrolled in Medicare?

Yes. Allergy & Asthma Associates Of Stamford, P.C/ is registered in the Medicare PECOS enrollment system.

When is Allergy & Asthma Associates Of Stamford, P.C/'s Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Connecticut, Clinic/Group Practice) is due for revalidation by January 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Allergy & Asthma Associates Of Stamford, P.C/?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Allergy/Immunology) reassigns their Medicare billing to Allergy & Asthma Associates Of Stamford, P.C/. 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.

When was this NPI record last updated?

The NPPES record for Allergy & Asthma Associates Of Stamford, P.C/ was last updated on June 2, 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.