Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Anthony Allan Calimquim Alonso, PA-C

Physician Assistant in Fountain Valley, CA · enumerated 2024 · practices at Iqbal Surgical Associates,Inc..

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

National Provider Identifier

1861256117

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Registry record

Entity type Individual (Type 1)

Name Anthony Allan Calimquim Alonso

Credential PA-C

Sex Male

Practice address 18225 Brookhurst St Ste 5, Fountain Valley, CA, 92708

Phone (714) 599-8222

Enumeration date Feb 7, 2024

Last updated in NPPES Feb 7, 2024

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 64019 (CA) Primary

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.

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Frequently asked questions

Where does Anthony Allan Alonso practice?

The practice location on file with NPPES is in Fountain Valley, CA. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Anthony Allan Alonso?

The National Provider Identifier (NPI) for Anthony Allan Alonso is 1861256117, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Atif Iqbal Surgery Physician · Fountain Valley, CA NPI 1669592473 Iqbal Surgical Associates,Inc. Surgery Physician · Fountain Valley, CA NPI 1528480753 Sahil Gambhir Surgery Physician · Fountain Valley, CA NPI 1760878607

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-02-07.