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Dr. STELLA HARTONO, MD PHD

Allergist & Immunologist

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This profile was created using publicly available federal provider information. The provider has not claimed, verified or endorsed this profile.

Practice location

STANFORD, CA, 94305-2200

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Phone: (650) 723-4000

Fresno, CA, 93720-2457 · (626) 506-0262

Palo Alto, CA, 94304-1601 · (650) 497-8000

Pollen today in Fresno, CA

A tracked city in California — 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)

Other Allergist & Immunologist near STANFORD, CA

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Provider information

NPI: 1588195457

Data source: CMS National Plan and Provider Enumeration System

Federal information last updated: 1/9/2026