DENNIS DAN CARBALLO SY CRNA
NPI 1023388378
Nurse Anesthetist, Certified Registered in Marysville, CA
About Dennis Dan Carballo Sy Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DENNIS DAN CARBALLO SY CRNA (NPI 1023388378) is an individual nurse anesthetist, certified registered in Marysville, California, licensed in California (95000333) and active in the NPI registry since January 2012. He is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dennis Dan Carballo Sy Crna is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Dennis Dan Sy reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
French Camp, CA 95231
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Anesthesia Services Of San Joaquin PC
- 217 clinicians in this Medicare group
Fresno, CA 93720
- Reassigned Medicare billing, California enrollment
- 293 clinicians in this Medicare group
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 270 clinicians in this Medicare group
Murrieta, CA 92563
- Reassigned Medicare billing, California enrollment
- 240 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95901 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MARYSVILLE, CA 95901
MARYSVILLE, CA 95901
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Dennis Dan Sy's NPI number?
The NPI number for Dennis Dan Sy is 1023388378. It was assigned to this individual provider in the NPPES registry on January 4, 2012.
Where is Dennis Dan Sy located?
Dennis Dan Sy practices at 726 4th St, Marysville, CA 95901. The listed phone number is (530) 751-4295.
What is Dennis Dan Sy's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Dennis Dan Sy enrolled in Medicare?
Yes. Dennis Dan Sy is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Dennis Dan Sy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dennis Dan Sy reassigns Medicare benefits to 4 organizations: Anesthesia Services Of San Joaquin, P.C. (French Camp, CA), Valley Regional Anesthesia Associates Inc (Fresno, CA), Palm Springs Anesthesia Services, PC (San Bernardino, CA) and United Medical Doctors (Murrieta, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Dennis Dan Sy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Dennis Dan Sy accept?
Health plans from Oscar Insurance Company list Dennis Dan Sy as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Dennis Dan Sy was last updated on February 24, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dennis Dan Carballo Sy, CRNA · NPI 1023388378
Nurse Anesthetist, Certified Registered physician in Marysville, California. Individual provider, active in the CMS NPPES registry since January 4, 2012.
## Identity
- **NPI:** 1023388378 (Entity type: Individual)
- **Enumerated:** January 4, 2012
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 95000333 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 726 4TH ST, Marysville, CA 95901-5656
- **Phone:** (530) 751-4295
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Anesthesia Services Of San Joaquin, P.C. (NPI 1366778227, French Camp, CA); Valley Regional Anesthesia Associates Inc (NPI 1578272415, Fresno, CA); Palm Springs Anesthesia Services, PC (NPI 1083928501, San Bernardino, CA); United Medical Doctors (NPI 1770559981, Murrieta, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** February 24, 2021
- **Other identifiers:** Medicaid 295076801 (TX); Other P01095297 (TX); Other 8801UC (TX); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1023388378) · Data from the CMS NPPES public registry.