MINNESOTA ALLERGY & ASTHMA LLC
NPI 1881736544
Allergy & Immunology in Edina, MN

Q: What is Minnesota Allergy & Asthma LLC's NPI number?

The NPI number for Minnesota Allergy & Asthma LLC is 1881736544. It was assigned to this organization in the NPPES registry on February 12, 2007. The provider was formerly known as Eisenstadt Allergy & Asthma LLP.

Q: What is Minnesota Allergy & Asthma LLC's specialty?

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

Active since February 12, 2007

6550 YORK AVE S STE 112, EDINA, MN 55435(952) 746-1854(612) 339-1854 Get Directions Write a Review

NPPES record last updated: October 27, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 10, 2023, Dec 28, 2022 (2 updates tracked since 2022).

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About Minnesota Allergy & Asthma Llc NPPES

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

MINNESOTA ALLERGY & ASTHMA LLC (NPI 1881736544), doing business as Eisenstadt Allergy & Asthma Llp, is a healthcare organization registered as an allergy & immunology in Edina, Minnesota and active in the NPI registry since February 2007. The organization maintains a secondary practice location in Lakeville and lists Barbra Simmons, Credentialing Manager, as its authorized official.

NPPES Registry Identity

NPI1881736544

Entity TypeOrganization

Primary Taxonomy207K00000X

Legal Business NameMINNESOTA ALLERGY & ASTHMA LLC

Location Address6550 YORK AVE S STE 112Edina, MN 55435-2332

Mailing Address6550 York Ave S Ste 112Edina, MN 55435-2332 · (952) 746-1854 · Fax (527) 461-8589

Phone(952) 746-1854

Fax(612) 339-1854

Organization SubpartNo

Authorized OfficialBarbra SimmonsCredentialing Manager · (517) 936-8566

Enumeration DateFebruary 12, 2007

Last NPPES UpdateOctober 27, 20242 updates tracked since enumeration

NPPES CertifiedOctober 27, 2024

✔ NPI 1881736544 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ 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.

Also ListedAllergy & Immunology · AllergyTaxonomy 207KA0200X

6550 YORK AVE S STE 112, Edina, MN 55435

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Other Names 1

Former Legal Business NameEisenstadt Allergy & Asthma Llp

Secondary Practice Location 1

Location 120520 Keokuk Ave Ste 180Lakeville, MN 55044-6456 · Phone (952) 898-2212 · Fax (952) 898-2240

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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)

Minnesota Allergy & Asthma Llc 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 Minnesota Allergy & Asthma LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Ramarathinam Nagarajan, MD PHD

Allergy/Immunology

NPI 1689636482

825 NICOLLET MALL 221
Minneapolis, MN 55402

(612) 339-0807

✔ PECOS✔ Accepts Medicare6.6 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 Minnesota Allergy & Asthma LLC's NPI number?

The NPI number for Minnesota Allergy & Asthma LLC is 1881736544. It was assigned to this organization in the NPPES registry on February 12, 2007. The provider was formerly known as Eisenstadt Allergy & Asthma LLP.

Where is Minnesota Allergy & Asthma LLC located?

Minnesota Allergy & Asthma LLC is located at 6550 York Ave S Ste 112, Edina, MN 55435. The listed phone number is (952) 746-1854.

What is Minnesota Allergy & Asthma LLC's specialty?

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

Is Minnesota Allergy & Asthma LLC enrolled in Medicare?

Yes. Minnesota Allergy & Asthma LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Minnesota Allergy & Asthma LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Allergy/Immunology) reassigns their Medicare billing to Minnesota Allergy & Asthma 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Minnesota Allergy & Asthma LLC was last updated on October 27, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 months 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.