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TOAN DO
NPI 1720617582
Allergy & Immunology in San Diego, CA

Active since April 03, 2020PECOS EnrolledAccepts Medicare Assignment
9833 PACIFIC HEIGHTS BLVD STE J, SAN DIEGO, CA 92121(858) 458-0940(858) 458-3688 Get Directions Write a Review

NPPES record last updated: July 16, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 22, 2021, Apr 3, 2020 (2 updates tracked since 2020).

About Toan Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TOAN DO (NPI 1720617582) is an individual allergy & immunology provider in San Diego, California, licensed in California (A185667) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1720617582
Entity TypeIndividualMale
Primary Taxonomy207K00000X
Provider Legal NameTOAN DO
Location Address9833 PACIFIC HEIGHTS BLVD STE JSan Diego, CA 92121-4707
Mailing Address3181 Sw Sam Jackson Park RdPortland, OR 97239-3011 · (503) 494-8211
Phone(858) 458-0940
Fax(858) 458-3688
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateApril 3, 2020
Last NPPES UpdateJuly 16, 20252 updates tracked since enumeration
NPPES CertifiedJuly 16, 2025
✔ NPI 1720617582 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in CA · A185667
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
Also ListedInternal MedicineTaxonomy 207R00000X · License A185667 (CA)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License PG206374 (OR)
9833 PACIFIC HEIGHTS BLVD STE J, San Diego, CA 92121
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Secondary Practice Locations 2

Location 19850 Genesee Ave Ste 710LA Jolla, CA 92037-1218 · Phone (858) 260-2977 · Fax (858) 260-2978
Location 23181 SW Sam Jackson Park RdPortland, OR 97239-3011 · Phone (503) 494-8211

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Toan Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4688097090
PECOS Enrollment IDI20250905002306
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HA YEON SHIN MD
Allergy & Immunology
9833 PACIFIC HEIGHTS BLVD STE J
SAN DIEGO, CA 92121
San Diego County (858) 458-0940

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Toan Do's NPI number?

The NPI number for Toan Do is 1720617582. It was assigned to this individual provider in the NPPES registry on April 3, 2020.

Where is Toan Do located?

Toan Do practices at 9833 Pacific Heights Blvd Ste J, San Diego, CA 92121. The listed phone number is (858) 458-0940.

What is Toan Do's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Toan Do enrolled in Medicare?

Yes. Toan Do is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Toan Do was last updated on July 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.