Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
David Ereso Chayawatna, FNP-C
Nurse Practitioner in Camarillo, CA · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1457913485
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Registry record
Entity type Individual (Type 1)
Name David Ereso Chayawatna
Credential FNP-C
Sex Male
Practice address 2620 Las Posas Rd, Camarillo, CA, 93010
Phone (805) 383-2109
Enumeration date Jun 29, 2019
Last updated in NPPES Apr 27, 2026
Taxonomy & licenses
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 95011991 (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.
Frequently asked questions
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.
What specialty is David Chayawatna?
David Chayawatna is registered in NPPES with the primary taxonomy of Nurse Practitioner. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-04-27.