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ASTHMA & ALLERGY PHYSICIANS LLC
NPI 1376586354
Allergy & Immunology - Allergy in Brockton, MA

Active since June 14, 2006CLIA Certified · 3 labs
35 PEARL STREET, SUITE 300, BROCKTON, MA 02301(508) 584-6300(508) 580-4664 Get Directions Write a Review

NPPES record last updated: April 28, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Asthma & Allergy Physicians Llc NPPES

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

ASTHMA & ALLERGY PHYSICIANS LLC (NPI 1376586354) is a healthcare organization registered as an allergy in Brockton, Massachusetts and active in the NPI registry since June 2006. The organization holds 3 active CLIA laboratory certificates, maintains 2 additional practice locations, and lists Mary Lou Hansen, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1376586354
Entity TypeOrganization
Primary Taxonomy207KA0200X
Legal Business NameASTHMA & ALLERGY PHYSICIANS LLC
Location Address35 PEARL STREET, SUITE 300Brockton, MA 02301
Mailing Address35 Pearl Street, Suite 300Brockton, MA 02301 · (508) 584-6300 · Fax (508) 580-4664
Phone(508) 584-6300
Fax(508) 580-4664
Organization SubpartNo
Authorized OfficialMary Lou HansenOffice Manager · (508) 584-6300
Enumeration DateJune 14, 2006
Last NPPES UpdateApril 28, 2023
NPPES CertifiedApril 28, 2023
✔ NPI 1376586354 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & Immunology · AllergyAllopathic & Osteopathic Physicians
Taxonomy Code207KA0200X
License✔ Licensed in MA · 30943
Definition
A physician who specializes in the diagnosis, treatment, and management of allergies. Source: National Uniform Claim Committee
35 PEARL STREET, Brockton, MA 02301
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Secondary Practice Locations 2

Location 1675 Paramount Dr Ste 303Raynham, MA 02767-5416 · Phone (508) 822-4100 · Fax (508) 823-9363
Location 2115 Water StMilford, MA 01757-3015 · Phone (508) 634-8700 · Fax (508) 634-8311

Other Identifiers 1

Medicaid9729470MA

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)

Asthma & Allergy Physicians Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

8

Medicare enrollment records show 8 clinicians reassign Medicare billing to Asthma & Allergy Physicians LLC, which bills Medicare for the services they deliver. Of these, 4 practice at this address. They are listed nearest first.

Clinicians, nearest first (8)

Mark Claus, M.D.
Allergy/Immunology
NPI 1518910686
35 PEARL ST SUITE 300
Brockton, MA 02301
(508) 584-6300
✔ PECOS✔ Accepts MedicareSame address
Gloria Iheuwa, NP
Nurse Practitioner
NPI 1104690072
35 PEARL ST STE 300
Brockton, MA 02301
(508) 584-6300
✔ PECOS✔ Accepts MedicareSame address
Michael Lawrence, M.D.
Allergy/Immunology
NPI 1477506541
35 PEARL ST SUITE 300
Brockton, MA 02301
(508) 584-6300
✔ PECOS✔ Accepts MedicareSame address
Darlene Madore, CPNP-PC, RN
Nurse Practitioner
NPI 1487018735
35 PEARL ST SUITE 300
Brockton, MA 02301
(508) 584-6300
✔ PECOS✔ Accepts MedicareSame address
Carolyn Rooney, NP
Nurse Practitioner
NPI 1659745859
800 WASHINGTON ST
Boston, MA 02111
(617) 636-5757
✔ PECOS✔ Accepts Medicare18 mi
Ralph Cahaly, M.D.
Allergy/Immunology
NPI 1790778553
115 WATER ST
Milford, MA 01757
(508) 634-8700
✔ PECOS✔ Accepts Medicare25 mi
Leslie Stefanowicz, NP
Nurse Practitioner
NPI 1639159783
75 BRANDT AVE
Dartmouth, MA 02747
(508) 994-0120
✔ PECOS✔ Accepts Medicare31 mi
Allison Kelly, DO
Allergy/Immunology
NPI 1336638949
470 SENTRY PKWY E STE 200
Blue Bell, PA 19422
(610) 825-5800
✔ PECOS✔ Accepts Medicare258 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA 3

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 22D0080406

Asthma & Allergy Physicians, LLC · Brockton, MA
Active · expires Oct 26, 2027
CLIA Number22D0080406
Laboratory TypePhysician Office
Certificate Effective DateOctober 27, 2025
Certificate Expiration DateOctober 26, 2027
Laboratory DirectorMichael Lawrence
Laboratory Phone(508) 584-6300
Laboratory LocationAsthma & Allergy Physicians, LLC35 Pearl St, Suite 300, Brockton, MA 02301
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 22D0687776

Asthma & Allergy Physicians, LLC · Milford, MA
Active · expires Oct 26, 2027
CLIA Number22D0687776
Laboratory TypePhysician Office
Certificate Effective DateOctober 27, 2025
Certificate Expiration DateOctober 26, 2027
Laboratory DirectorMichael Lawrence
Laboratory Phone(508) 584-6300
Laboratory LocationAsthma & Allergy Physicians, LLC115 Water St, Milford, MA 01757
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 22D0945402

Asthma & Allergy Physicians, LLC · Raynham, MA
Active · expires Oct 26, 2027
CLIA Number22D0945402
Laboratory TypePhysician Office
Certificate Effective DateOctober 27, 2025
Certificate Expiration DateOctober 26, 2027
Laboratory DirectorMichael Lawrence
Laboratory Phone(508) 584-6300
Laboratory LocationAsthma & Allergy Physicians, LLC675 Paramount Drive, Raynham, MA 02767
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Asthma & Allergy Physicians LLC's NPI number?

The NPI number for Asthma & Allergy Physicians LLC is 1376586354. It was assigned to this organization in the NPPES registry on June 14, 2006.

Where is Asthma & Allergy Physicians LLC located?

Asthma & Allergy Physicians LLC is located at 35 Pearl Street Suite 300, Brockton, MA 02301. The listed phone number is (508) 584-6300.

What is Asthma & Allergy Physicians LLC's specialty?

The primary specialty registered for this NPI is Allergy & Immunology, specializing in Allergy, with taxonomy code 207KA0200X.

Is Asthma & Allergy Physicians LLC enrolled in Medicare?

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

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

According to the CMS Revalidation Reassignment List (October 2026 release), 8 clinicians in 2 Medicare specialties reassign their Medicare billing to Asthma & Allergy Physicians 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 (4) and Nurse Practitioner (4). Of these, 4 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Asthma & Allergy Physicians LLC hold CLIA laboratory certificates?

Yes. 3 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

What insurance does Asthma & Allergy Physicians LLC accept?

Health plans from Anthem Blue Cross and Blue Shield list Asthma & Allergy Physicians 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 Asthma & Allergy Physicians LLC was last updated on April 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.