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ALYSON BETH SIMPSON MD
NPI 1538288162
Allergy & Immunology in Gladwyne, PA

Active since March 28, 2007PECOS EnrolledAccepts Medicare Assignment
1228 CLUB HOUSE RD, GLADWYNE, PA 19035(267) 416-0212 Get Directions Write a Review

NPPES record last updated: July 20, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Alyson Beth Simpson Md NPPES

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

ALYSON BETH SIMPSON MD (NPI 1538288162) is an individual allergy & immunology provider in Gladwyne, Pennsylvania, licensed in Pennsylvania (MD430551) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Northwestern University Feinberg Medical School (2004).

NPPES Registry Identity

NPI1538288162
Entity TypeIndividualFemale
Primary Taxonomy207K00000X
Provider Legal NameALYSON BETH SIMPSONCredential: MD
Location Address1228 CLUB HOUSE RDGladwyne, PA 19035-1004
Mailing Address704 S Broad StLansdale, PA 19446-5242 · (267) 416-0212
Phone(267) 416-0212
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2004
Enumeration DateMarch 28, 2007
Last NPPES UpdateJuly 20, 2026
NPPES CertifiedJuly 20, 2026
✔ NPI 1538288162 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 5

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in PA · MD430551
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 · License MD430551 (PA)
Also ListedAllergy & Immunology · Clinical & Laboratory ImmunologyTaxonomy 207KI0005X · License MD430551 (PA)
Also ListedPediatricsTaxonomy 208000000X · License MD430551 (PA)
Also ListedPediatrics · Clinical & Laboratory ImmunologyTaxonomy 2080I0007X · License MD430551 (PA)
1228 CLUB HOUSE RD, Gladwyne, PA 19035
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Secondary Practice Locations 2

Location 1600 Germantown PikeLafayette Hill, PA 19444-1800 · Phone (267) 416-0212 · Fax (215) 855-2493
Location 2118 Dickerson Rd Ste ANorth Wales, PA 19454-2538 · Phone (267) 416-0212 · Fax (215) 855-2493

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Alyson Beth Simpson Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2365578317
PECOS Enrollment IDI20100828000025
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Alyson Simpson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Abs Medicine LLC
13 mi
Allergy & Immunology
704 S BROAD ST
Lansdale, PA 19446
  • Reassigned Medicare billing, Pennsylvania enrollment
NPI 1730587486 (267) 416-0212

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

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, omalizumab, 5 mg J2357
Omalizumab is a medication given via injection. It's used to treat severe allergic asthma and chronic hives when other treatments fail. The 5mg dose is determined by your doctor based on your weight and condition.
16,939 services27 patients
Test for allergy using allergenic extract 95004
An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.
2,410 services40 patients
Professional service for preparation and provision of 1 or more antigens 95165
This service involves the creation and supply of antigens, substances that stimulate your immune system to fight diseases. These antigens can be used in vaccines or allergy tests to help your body build defenses against specific health threats.
2,163 services37 patients
Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 96401
This procedure involves giving anti-cancer drugs, which don't contain hormones, into the muscle or under the skin. These drugs help to stop the growth of cancer cells. The process is usually quick and done by a healthcare professional.
727 services51 patients
Professional service for multiple injections of allergen 95117
The professional service for multiple injections of allergens involves administering small doses of specific allergens into your body. This is done to help your immune system become less sensitive to them, reducing your allergic reaction over time. It's a safe, effective way to manage allergies.
672 services46 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
172 services99 patients

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221
DME-Other DME · category DE017N
2 suppliers20 claims80 services$17.47 avg. paid by Medicare
Injection, immune globulin (hizentra), 100 mg J1559
Treatment-Injections and Infusions (nononcologic) · category RI008N
3 suppliers21 claims8,400 services$9.47 avg. paid by Medicare
Supplies for external non-insulin drug infusion pump, syringe type cartridge, sterile, each K0552
DME-Other DME · category DE000N
3 suppliers21 claims84 services$2.38 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Alyson Simpson's NPI number?

The NPI number for Alyson Simpson is 1538288162. It was assigned to this individual provider in the NPPES registry on March 28, 2007.

Where is Alyson Simpson located?

Alyson Simpson practices at 1228 Club House Rd, Gladwyne, PA 19035. The listed phone number is (267) 416-0212.

What is Alyson Simpson's specialty?

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

Is Alyson Simpson enrolled in Medicare?

Yes. Alyson Simpson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Alyson Simpson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alyson Simpson reassigns Medicare benefits to Abs Medicine LLC (Lansdale, PA). The 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 Alyson Simpson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Alyson Simpson was last updated on July 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.