CHARLES FREDERICKS M.D.
NPI 1952747628
Surgery in Sacramento, CA
About Charles Fredericks M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHARLES FREDERICKS M.D. (NPI 1952747628) is an individual surgery provider in Sacramento, California, licensed in California (A161492) and active in the NPI registry since May 2013. He is enrolled in Medicare PECOS, maintains a secondary practice location in Chicago, and is a graduate of Rutgers New Jersey Medical School (2013).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Charles Fredericks M.d. 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 Fredericks reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sacramento, CA 95817
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Regents Of The Univ Of Ca
- 2,570 clinicians in this Medicare group
Stockton, CA 95202
- Reassigned Medicare billing, California enrollment
- 534 clinicians in this Medicare group
French Camp, CA 95231
- Reassigned Medicare billing, California enrollment
- 512 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 4
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95817 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.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
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 Fredericks's NPI number?
The NPI number for Charles Fredericks is 1952747628. It was assigned to this individual provider in the NPPES registry on May 21, 2013.
Where is Charles Fredericks located?
Charles Fredericks practices at 2315 Stockton Blvd, Sacramento, CA 95817. The listed phone number is (916) 734-5638.
What is Charles Fredericks's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Charles Fredericks enrolled in Medicare?
Yes. Charles Fredericks 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 Fredericks's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charles Fredericks reassigns Medicare benefits to 3 organizations: Regents Of The University Of Ca (Sacramento, CA), County Of San Joaquin (Stockton, CA) and San Joaquin Faculty Medical Group (French Camp, 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 Fredericks'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 Fredericks was last updated on June 25, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Charles Fredericks, M.D. · NPI 1952747628
Surgery physician in Sacramento, California. Individual provider, active in the CMS NPPES registry since May 21, 2013.
## Identity
- **NPI:** 1952747628 (Entity type: Individual)
- **Enumerated:** May 21, 2013
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** A161492 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2315 STOCKTON BLVD, Sacramento, CA 95817-2201
- **Phone:** (916) 734-5638
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of Ca (NPI 1063405074, Sacramento, CA); County Of San Joaquin (NPI 1891036612, Stockton, CA); San Joaquin Faculty Medical Group (NPI 1225063761, French Camp, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rutgers New Jersey Medical School, class of 2013
## Record status
- **NPPES last updated:** June 25, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1952747628) · Data from the CMS NPPES public registry.