DR. CHARLES JOHN DE MESA D.O.
NPI 1396064408
Anesthesiology in Sacramento, CA
About Dr. Charles John De Mesa D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHARLES JOHN DE MESA D.O. (NPI 1396064408) is an individual anesthesiology provider in Sacramento, California, licensed in California (20A13238) and active in the NPI registry since May 2010. He is enrolled in Medicare PECOS and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Charles John De Mesa D.o. 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
3Medicare enrollment records show Charles De Mesa reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Davis, CA 95616
- Reassigned Medicare billing, California enrollment
- 2,570 clinicians in this Medicare group
Davis, CA 95616
- Reassigned Medicare billing, California enrollment
- 918 clinicians in this Medicare group
Sacramento, CA 95825
- Reassigned Medicare billing, California enrollment
- 4 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.
Areas of Expertise CMS Part B claims 24
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
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 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SACRAMENTO, CA 95817
SACRAMENTO, CA 95817
SACRAMENTO, CA 95817
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 Charles De Mesa's NPI number?
The NPI number for Charles De Mesa is 1396064408. It was assigned to this individual provider in the NPPES registry on May 28, 2010.
Where is Charles De Mesa located?
Charles De Mesa practices at 4860 Y St Ste 3020, Sacramento, CA 95817. The listed phone number is (916) 734-7246.
What is Charles De Mesa's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Charles De Mesa enrolled in Medicare?
Yes. Charles De Mesa 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 Charles De Mesa's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charles De Mesa reassigns Medicare benefits to 3 organizations: Regents Of The Univ Of Ca (Davis, CA), Regents Of The University Of California (Davis, CA) and Alberto Panero Do Inc (Sacramento, 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 Charles De Mesa's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Charles De Mesa was last updated on September 4, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.