Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Paul Edward Ziajka, MD, PHD

Specialist in Winter Park, FL · enumerated 2006.

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

National Provider Identifier

1669444121

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Registry record

Entity type Individual (Type 1)

Name Dr. Paul Edward Ziajka

Credential MD, PHD

Sex Male

Practice address 2828 Casa Aloma Way, Suite 600, Winter Park, FL, 32792

Phone (407) 671-8598

Enumeration date Feb 7, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

174400000X Specialist Other Service Providers · License ME0046816 (FL) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1669444121 active?

Yes, as of the latest NPPES snapshot, NPI 1669444121 is active (record last updated 2007-07-08).

How do I verify Paul Ziajka's NPI record?

Cross-check NPI 1669444121 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Gregory Boger Otolaryngology Physician · Winter Park, FL NPI 1255309928 Herndon Harding Psychiatry Physician · Winter Park, FL NPI 1699737627 Robert Cambridge Neurology Physician · Winter Park, FL NPI 1386699072 Neurology Care Center PA Neurology Physician · Winter Park, FL NPI 1780639369 Audrey Seed Clinical Social Worker · Winter Park, FL NPI 1669419180 Joseph Bennett Surgery Physician · Winter Park, FL NPI 1801820329 Thomas Sipprell Obstetrics & Gynecology Physician · Winter Park, FL NPI 1871516476 Daniel Seff Dermatology Physician · Winter Park, FL NPI 1679672315

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.