What is Allergy & Asthma Associates Ltd's NPI number?

Allergy & Asthma Associates Ltd's National Provider Identifier (NPI) is 1013104587, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What type of organization is Allergy & Asthma Associates Ltd?

Allergy & Asthma Associates Ltd is classified in the NPPES registry as Allergy & Immunology (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).

Where is Allergy & Asthma Associates Ltd located?

Allergy & Asthma Associates Ltd's practice location on file with NPPES is 5911 Northwest Hwy, Crystal Lake, IL 60014-8065.

What is Allergy & Asthma Associates Ltd's phone number?

The practice phone number listed in the NPPES registry for Allergy & Asthma Associates Ltd is (815) 455-7259.

Who is the authorized official for Allergy & Asthma Associates Ltd?

The authorized official listed on Allergy & Asthma Associates Ltd's NPPES record is David Chudwin, Officer. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.

Is Allergy & Asthma Associates Ltd's NPI active?

Yes — Allergy & Asthma Associates Ltd's NPI (1013104587) is active in the NPPES registry as of the last update on 2007-12-19.

OrganizationActive

Allergy & Asthma Associates Ltd

NPI 1013104587 · Allergy & Immunology (Internal Medicine) Physician · Crystal Lake, IL

Allergy & Asthma Associates Ltd is a Allergy & Immunology (Internal Medicine) Physician organization in Crystal Lake, IL (NPI 1013104587).

Provider details

NPI number: 1013104587
Entity type: Organization
Primary specialty: Allergy & Immunology (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
Organization subpart: No
Authorized official: David Chudwin, Officer(847) 272-4296

Practice location

5911 Northwest Hwy

Suite 208

Crystal Lake, IL 60014-8065

Phone: (815) 455-7259

Fax: (847) 272-4177

Street-level locationGet directions

More IL providers

Mailing address

500 Skokie Blvd

Northbrook, IL 60062-2856

Specialties & taxonomies

Allergy & Immunology (Internal Medicine) PhysicianPrimary207RA0201X
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(89/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
19 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Enumerated: 2007-09-28
Last updated: 2007-12-19

Frequently asked questions

What is Allergy & Asthma Associates Ltd's NPI number?: Allergy & Asthma Associates Ltd's National Provider Identifier (NPI) is 1013104587, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What type of organization is Allergy & Asthma Associates Ltd?: Allergy & Asthma Associates Ltd is classified in the NPPES registry as Allergy & Immunology (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
Where is Allergy & Asthma Associates Ltd located?: Allergy & Asthma Associates Ltd's practice location on file with NPPES is 5911 Northwest Hwy, Crystal Lake, IL 60014-8065.
What is Allergy & Asthma Associates Ltd's phone number?: The practice phone number listed in the NPPES registry for Allergy & Asthma Associates Ltd is (815) 455-7259.
Who is the authorized official for Allergy & Asthma Associates Ltd?: The authorized official listed on Allergy & Asthma Associates Ltd's NPPES record is David Chudwin, Officer. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
Is Allergy & Asthma Associates Ltd's NPI active?: Yes — Allergy & Asthma Associates Ltd's NPI (1013104587) is active in the NPPES registry as of the last update on 2007-12-19.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions