Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alyson Beth Simpson, MD

Allergy & Immunology Physician in Gladwyne, PA · enumerated 2007.

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

National Provider Identifier

1538288162

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Registry record

Entity type Individual (Type 1)

Name Alyson Beth Simpson

Credential MD

Sex Female

Practice address 1228 Club House Rd, Gladwyne, PA, 19035

Phone (267) 416-0212

Enumeration date Mar 28, 2007

Last updated in NPPES Feb 15, 2015

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 25MA08244000 (NJ) Secondary

2080I0007X Pediatric Clinical & Laboratory Immunology Physician Allopathic & Osteopathic Physicians · License MD430551 (PA) Secondary

207K00000X Allergy & Immunology Physician Allopathic & Osteopathic Physicians · License MD430551 (PA) Primary

207KA0200X Allergy Physician Allopathic & Osteopathic Physicians · License MD430551 (PA) Secondary

207KI0005X Clinical & Laboratory Immunology (Allergy & Immunology) Physician Allopathic & Osteopathic Physicians · License MD430551 (PA) Secondary

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License MD430551 (PA) Secondary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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 the NPI number for Alyson Simpson?

The National Provider Identifier (NPI) for Alyson Simpson is 1538288162, a Type 1 (individual) record in the CMS NPPES registry.

Where does Alyson Simpson practice?

The practice location on file with NPPES is in Gladwyne, PA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-02-15.