Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dennis Dan Carballo Sy, CRNA

Certified Registered Nurse Anesthetist in Marysville, CA · enumerated 2012.

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

National Provider Identifier

1023388378

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Registry record

Entity type Individual (Type 1)

Name Dennis Dan Carballo Sy

Credential CRNA

Sex Male

Practice address 726 4th St, Marysville, CA, 95901

Phone (530) 751-4295

Enumeration date Jan 4, 2012

Last updated in NPPES Feb 24, 2021

Taxonomy & licenses

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License 808011 (TX) Secondary

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License 95000333 (CA) Primary

CRNA · Certified Registered Nurse Anesthetist: An advanced practice nurse specializing in anesthesia care. About the CRNA credential

Other identifiers

Identifier	Type	State	Issuer
295076801	Medicaid	TX	-
8801UC	Other	TX	BLUE CROSS BLUE SHIELD
P01095297	Other	TX	RAILROAD MEDICARE
2338056	Medicaid	LA	-
295076802	Medicaid	TX	-

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

What is the NPI number for Dennis Dan Sy?

The National Provider Identifier (NPI) for Dennis Dan Sy is 1023388378, a Type 1 (individual) record in the CMS NPPES registry.

Where does Dennis Dan Sy practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-02-24.