Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Hy Long Ton

Q: What specialty is Hy Ton?

Hy Ton is registered in NPPES with the primary taxonomy of Nutrition Support Pharmacist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Nutrition Support Pharmacist in Vacaville, CA · enumerated 2016.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1023553062

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Registry record

Entity type Individual (Type 1)

Name Dr. Hy Long Ton

Sex Male

Practice address Vacaville, CA, 95687

Phone (707) 624-7150

Fax (707) 624-7152

Enumeration date Dec 29, 2016

Last updated in NPPES Dec 29, 2016

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

1835N1003X Nutrition Support Pharmacist Pharmacy Service Providers · License 43214 (CA) Primary

1835X0200X Oncology Pharmacist Pharmacy Service Providers · License 43214 (CA) Secondary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Hy Ton?

Hy Ton is registered in NPPES with the primary taxonomy of Nutrition Support Pharmacist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-12-29.