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Dr. ALYSON SIMPSON, MD

Pediatric Allergist & Immunologist · Allergist & Immunologist

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Practice location

GLADWYNE, PA, 19035-1004

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Phone: (267) 416-0212

Lafayette Hill, PA, 19444-1800 · (267) 416-0212

North Wales, PA, 19454-2538 · (267) 416-0212

Pollen today in Philadelphia, PA

A tracked city in Pennsylvania — see all 56 tracked cities in the daily rankings.

Total Pollen Index: 18 / 100 (Low)

Dominant allergen today: Ragweed

  • Tree pollen: 0 (Low)
  • Grass pollen: 0.8 (Low)
  • Weed pollen (ragweed): 3.7 (Moderate)
  • Mold: 3.7 (Moderate)

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Provider information

NPI: 1538288162

Data source: CMS National Plan and Provider Enumeration System

Federal information last updated: 7/20/2026