Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Toan DO

Individual provider Internal Medicine Physician · NPI 1720617582

Toan DO is an Allergy/Immunology in San Diego, California. Qualified in 2020, 6 years ago. Practices with Modena Allergy and Asthma II Inc, a 7-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in California and Oregon.

Years since qualifying
6
Licensed in
CA, OR
In the registry since
2020
Specialties on file
4
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Practice location Address checks out

9833 Pacific Heights Blvd Ste J
San Diego, CA 92121-4707
Phone: (858) 458-0940
Fax: (858) 458-3688
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 9850 Genesee Ave Ste 710, La Jolla, CA 92037-1218 — (858) 260-2977
  • 3181 Sw Sam Jackson Park Rd, Portland, OR 97239-3011 — (503) 494-8211

Specialties & licences

Allergy & Immunology Physician (primary) Taxonomy 207K00000X · Licence A185667 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence A185667 (CA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X · Licence PG206374 (OR)

Record details

NPI number1720617582
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedApril 3, 2020
Last updated in NPPESJuly 16, 2025
Certification dateJuly 16, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyALLERGY/IMMUNOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Modena Allergy And Asthma Ii Inc. — 7 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in San Diego