DR. CHRISTOPHER A COX M.D.
NPI 1013104215
Orthopaedic Surgery - Hand Surgery in Oakland, CA
About Dr. Christopher A Cox M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHRISTOPHER A COX M.D. (NPI 1013104215) is an individual hand surgery provider in Oakland, California, licensed in California (A100870) and active in the NPI registry since October 2007. He is enrolled in Medicare PECOS and is a graduate of Washington University School Of Medicine (2006).
NPPES Registry Identity
Specialties & Licenses 2
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. Christopher A Cox 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 Reassignment
Medicare enrollment records show Christopher Cox reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Francisco, CA 94116
- Reassigned Medicare billing, California enrollment
- 20,078 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 94612 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
OAKLAND, CA 94612
OAKLAND, CA 94612
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 Christopher Cox's NPI number?
The NPI number for Christopher Cox is 1013104215. It was assigned to this individual provider in the NPPES registry on October 2, 2007.
Where is Christopher Cox located?
Christopher Cox practices at 1800 Harrison St Fl 7, Oakland, CA 94612. The listed phone number is (925) 295-4000.
What is Christopher Cox's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Hand Surgery, with taxonomy code 207XS0106X.
Is Christopher Cox enrolled in Medicare?
Yes. Christopher Cox 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 organization bills Medicare for Christopher Cox's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Cox reassigns Medicare benefits to Permanente Medical Group Inc (San Francisco, CA). The 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 Christopher Cox'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 Christopher Cox was last updated on February 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Christopher A Cox, M.D. · NPI 1013104215
Hand Surgery physician in Oakland, California. Individual provider, active in the CMS NPPES registry since October 2, 2007.
## Identity
- **NPI:** 1013104215 (Entity type: Individual)
- **Enumerated:** October 2, 2007
- **Primary specialty:** Orthopaedic Surgery - Hand Surgery · taxonomy 207XS0106X
- **State license:** A100870 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1800 HARRISON ST FL 7, Oakland, CA 94612-3466
- **Phone:** (925) 295-4000
## 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:** Permanente Medical Group Inc (NPI 1841373800, San Francisco, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Washington University School Of Medicine, class of 2006
## Record status
- **NPPES last updated:** February 11, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1013104215) · Data from the CMS NPPES public registry.