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Mr. Jonas Michael Holl, M.A.

Audiologist in Whittier, CA · enumerated 2008 · practices at Daniel V. Romo, DDS PC.

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

National Provider Identifier

1619155546

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Registry record

Entity type Individual (Type 1)
Name Mr. Jonas Michael Holl
Credential M.A.
Sex Male
Practice address 13215 Penn St, Whittier, CA, 90602
Phone (562) 464-5978
Fax (562) 696-5285
Enumeration date Feb 1, 2008
Last updated in NPPES May 19, 2021

Taxonomy & licenses

231H00000X Audiologist Speech, Language and Hearing Service Providers · License AU 1964 (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

What is the NPI number for Jonas Holl?
The National Provider Identifier (NPI) for Jonas Holl is 1619155546, a Type 1 (individual) record in the CMS NPPES registry.
Where does Jonas Holl practice?
The practice location on file with NPPES is in Whittier, CA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-05-19.