Doctor profile · Federal record

Dr. Alyson Simpson, MD

Allergy & Immunology Physician (CMS: Allergy/Immunology) · Pediatrics Physician · Pediatric Clinical & Laboratory Immunology Physician · Allergy Physician · Clinical & Laboratory Immunology (Allergy & Immunology) Physician · Pediatrics Physician · Gladwyne, PA

  • NPI 1538288162
  • Accepts Medicare
  • 22 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1228 Club House RD
Gladwyne, PA 190351004
(267) 416-0212
Mailing address
704 S Broad St
Lansdale, PA 194465242

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
February 15, 2015
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207K00000X — NUCC code
State licenses (2)
Pennsylvania #MD430551 · New Jersey #25MA08244000

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538288162. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
21,362
Distinct HCPCS
8
Medicare allowed
$705,375
HCPCS Description Services Patients Avg allowed
J2357 Injection, omalizumab, 5 mg 14,779 26 $38
95004 Test for allergy using allergenic extract 2,850 47 $4
95165 Professional service for preparation and provision of 1 or more antigens 2,213 31 $16
95117 Professional service for multiple injections of allergen 626 39 $13
96401 Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 602 40 $77
99214 Established patient office or other outpatient visit, 30-39 minutes 153 92 $133
99204 New patient office or other outpatient visit, 45-59 minutes 100 100 $173
99213 Established patient office or other outpatient visit, 20-29 minutes 39 34 $94

In context: peer comparison

Among 1 peers in Gladwyne Allergy & Immunology Physician, average services per provider: 2,670. This provider delivers 8.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,670
Transactions
79
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 22 $455.48
Csl Behring 8 $196.70
Pfizer INC. 14 $165.63
Genzyme Corporation 7 $163.21
GlaxoSmithKline, LLC. 6 $98.41
Genentech USA, INC. 3 $81.45
Takeda Pharmaceuticals U.S.A., INC. 3 $69.49
Grifols USA, LLC 3 $65.71
Amgen INC. 3 $64.78
Abbvie INC. 2 $56.87
Novartis Pharmaceuticals Corporation 2 $56.53
Kaleo, INC. 2 $45.53
Optinose US, INC. 2 $40.38
BioCryst US Sales Co., LLC 1 $34.30
Lilly USA, LLC 1 $30.79

By nature of payment

Food and Beverage
$1,654
Education
$16

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
917
Patients
393
Total drug cost
$89,920
Drug Type Claims Patients Total cost
Ipratropium Bromide Generic 217 91 $6,727
Famotidine Generic 143 49 $2,090
Prednisone Generic 76 48 $232
Epinephrine Generic 60 52 $13,821
Montelukast Sodium Generic 58 11 $629
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 53 32 $1,729
Symbicort (Budesonide/Formoterol Fumarate) Brand 49 16 $23,120
Fluticasone Propionate Generic 47 14 $603
Azelastine Hcl Generic 46 20 $2,119
Triamcinolone Acetonide Generic 34 27 $803

Frequently asked questions

Auto-generated from federal data
What is Dr. Alyson Simpson's medical specialty?
Dr. Alyson Simpson practices Allergy & Immunology Physician in Gladwyne, PA.
Where does Dr. Alyson Simpson practice?
Dr. Alyson Simpson practices at 1228 Club House RD, Gladwyne, PA 190351004. Office phone: 2674160212.
What is Dr. Alyson Simpson's NPI?
Dr. Alyson Simpson's National Provider Identifier (NPI) is 1538288162, issued by NPPES.
Does Dr. Alyson Simpson accept Medicare assignment?
Yes. Dr. Alyson Simpson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alyson Simpson commonly perform?
Top Medicare-reported procedures in 2023: Injection, omalizumab, 5 mg (HCPCS J2357); Test for allergy using allergenic extract (HCPCS 95004); Professional service for preparation and provision of 1 or more antigens (HCPCS 95165). Source: CMS Medicare Physician & Other Practitioners file.