NPI Portal NPI Lookup & Verification

Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Asthma & Allergy Physicians of Rhode Island Inc

Allergy Physician in Warwick, RI · enumerated 2007 · authorized official John Zwetchkenbaum, President.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1508992694

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)
Legal business name Asthma & Allergy Physicians of Rhode Island Inc
Practice address 470 Toll Gate Rd Ste 203, Warwick, RI, 02886
Phone (401) 751-1235
Fax (401) 751-4744
Enumeration date Feb 26, 2007
Last updated in NPPES Oct 4, 2019

Taxonomy & classification

207KA0200X Allergy Physician Allopathic & Osteopathic Physicians · License MD07704 (RI) Primary

Authorized official

Name John Zwetchkenbaum
Title President
Phone (401) 751-4744

Other identifiers

Identifier Type State Issuer
AA43354 Medicaid RI -

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is a Type 2 NPI?
A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.
What type of organization is Asthma & Allergy Physicians of Rhode Island Inc?
Asthma & Allergy Physicians of Rhode Island Inc is registered in NPPES as a Allergy Physician (its primary provider taxonomy).

Providers at this address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-10-04.