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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Patricia Ann Ahearn, M.D.

Internal Medicine Physician in San Juan Capistrano, CA · enumerated 2006.

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

National Provider Identifier

1982655304

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Registry record

Entity type Individual (Type 1)
Name Dr. Patricia Ann Ahearn
Credential M.D.
Sex Female
Practice address 30230 Rancho Viejo Rd, Suite 200, San Juan Capistrano, CA, 92675
Phone (949) 443-4303
Fax (949) 443-4033
Enumeration date May 12, 2006
Last updated in NPPES Apr 16, 2013

Taxonomy & licenses

174400000X Specialist Other Service Providers · License G54979 (CA) Secondary
207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License G54979 (CA) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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

How do I verify Patricia Ahearn's NPI record?
Cross-check NPI 1982655304 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1982655304 active?
Yes, as of the latest NPPES snapshot, NPI 1982655304 is active (record last updated 2013-04-16).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-04-16.