Doctor profile · Federal record

Dr. A. Geoffrey Didario, MD

Allergy & Immunology Physician (CMS: Allergy/Immunology) · Ardmore, PA

  • NPI 1336282870
  • Accepts Medicare
  • 29 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
233 E Lancaster Ave, Suite 200
Ardmore, PA 190032321
(610) 642-1643
fax (610) 642-0245

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
April 6, 2021
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207K00000X — NUCC code
State license (1)
Pennsylvania #MD426432

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336282870. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
420
Distinct HCPCS
5
Medicare allowed
$18,899
HCPCS Description Services Patients Avg allowed
94010 Test to measure expiratory airflow and volume 111 37 $29
99213 Established patient office or other outpatient visit, 20-29 minutes 100 41 $95
95117 Professional service for multiple injections of allergen 95 17 $13
95115 Professional service for single injection of allergen 84 19 $11
99214 Established patient office or other outpatient visit, 30-39 minutes 30 18 $135

In context: peer comparison

Among 2 peers in Ardmore Allergy & Immunology Physician, average services per provider: 66. This provider delivers 6.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,628
Transactions
72
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 20 $355.36
Genzyme Corporation 10 $294.97
AstraZeneca Pharmaceuticals Lp 13 $225.13
Novartis Pharmaceuticals Corporation 9 $213.18
Genentech USA, INC. 3 $168.73
Regeneron Healthcare Solutions, INC. 5 $112.32
Kaleo, INC. 5 $100.16
Amgen INC. 2 $55.95
Takeda Pharmaceuticals U.S.A., INC. 2 $46.14
Optinose US, INC. 2 $35.29
Aytu BioPharma, INC. 1 $20.94

By nature of payment

Food and Beverage
$1,628

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
236
Patients
49
Total drug cost
$53,616
Drug Type Claims Patients Total cost
Montelukast Sodium Generic 51 11 $630
Advair Hfa (Fluticasone Propion/Salmeterol) Brand 32 0 $23,623
Fluticasone Propionate Generic 31 11 $363
Azelastine Hcl Generic 27 0 $557
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 24 14 $1,284
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 22 0 $21,028
Prednisone Generic 19 0 $65
Azithromycin Generic 16 13 $99
Flovent Hfa (Fluticasone Propionate) Brand 14 0 $5,969

Frequently asked questions

Auto-generated from federal data
What is Dr. A. Geoffrey Didario's medical specialty?
Dr. A. Geoffrey Didario practices Allergy & Immunology Physician in Ardmore, PA.
Where does Dr. A. Geoffrey Didario practice?
Dr. A. Geoffrey Didario practices at 233 E Lancaster Ave, Ardmore, PA 190032321. Office phone: 6106421643.
What is Dr. A. Geoffrey Didario's NPI?
Dr. A. Geoffrey Didario's National Provider Identifier (NPI) is 1336282870, issued by NPPES.
Does Dr. A. Geoffrey Didario accept Medicare assignment?
Yes. Dr. A. Geoffrey Didario accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. A. Geoffrey Didario commonly perform?
Top Medicare-reported procedures in 2023: Test to measure expiratory airflow and volume (HCPCS 94010); Established patient office or other outpatient visit (HCPCS 99213); Professional service for multiple injections of allergen (HCPCS 95117). Source: CMS Medicare Physician & Other Practitioners file.