Alyson Simpson, MD
NPI 1538288162 · Allergy & Immunology Physician · Gladwyne, PA
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alyson Simpson, MD is a Allergy & Immunology Physician provider in Gladwyne, PA (NPI 1538288162).
Provider details
- NPI number
- 1538288162
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 25MA08244000 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
- Pediatrics Physician208000000X
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
6,297 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Test for Allergy Using Allergenic Extract95004 | 2,410 | $4 |
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 2,163 | $15 |
| Administration of Non-Hormonal Anti-Neoplastic Chemotherapy Under Skin Or Into Muscle96401 | 727 | $74 |
| Professional Service for Multiple Injections of Allergen95117 | 672 | $13 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 172 | $131 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 103 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ipratropium Bromide | 268 | 113 |
| Famotidine | 158 | 52 |
| Epinephrine | 64 | 54 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 62 | 40 |
| Prednisone | 61 | 43 |
| Fluticasone Propionate | 49 | 13 |
| Azelastine Hcl | 47 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,670 across 81 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-28
- Last updated
- 2015-02-15
Frequently asked questions
- What is Alyson Simpson's NPI number?
- Alyson Simpson's National Provider Identifier (NPI) is 1538288162, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alyson Simpson's specialty?
- Alyson Simpson is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Alyson Simpson located?
- Alyson Simpson's practice location on file with NPPES is 1228 Club House Rd, Gladwyne, PA 19035-1004.
- What is Alyson Simpson's phone number?
- The practice phone number listed in the NPPES registry for Alyson Simpson is (267) 416-0212.
- Does Alyson Simpson accept Medicare?
- Alyson Simpson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alyson Simpson's NPI active?
- Yes — Alyson Simpson's NPI (1538288162) is active in the NPPES registry as of the last update on 2015-02-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.