DR. JOSHUA MARK MATTHEWS MD
NPI 1841428307
Orthopaedic Surgery in Fremont, CA
About Dr. Joshua Mark Matthews Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOSHUA MARK MATTHEWS MD (NPI 1841428307) is an individual orthopaedic surgery provider in Fremont, California, licensed in California (A129231) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS, maintains a secondary practice location in Wichita, and is a graduate of University Of Missouri, Columbia School Of Medicine (2009).
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
Dr. Joshua Mark Matthews Md 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
2Medicare enrollment records show Joshua Matthews reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Castro Valley, CA 94546
- Reassigned Medicare billing, California enrollment
- 132 clinicians in this Medicare group
Spearfish, SD 57783
- Reassigned Medicare billing, South Dakota enrollment
- 831 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 2
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 94538 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Joshua Matthews's NPI number?
The NPI number for Joshua Matthews is 1841428307. It was assigned to this individual provider in the NPPES registry on June 23, 2009.
Where is Joshua Matthews located?
Joshua Matthews practices at 39180 Farwell Dr Ste 231, Fremont, CA 94538. The listed phone number is (510) 585-2545.
What is Joshua Matthews's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Joshua Matthews enrolled in Medicare?
Yes. Joshua Matthews 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 Joshua Matthews's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joshua Matthews reassigns Medicare benefits to 2 organizations: Sutter Bay Hospitals (Castro Valley, CA) and Monument Health Rapid City Hospital, Inc. (Spearfish, SD). 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 Joshua Matthews'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 Joshua Matthews was last updated on February 11, 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.
# Dr. Joshua Mark Matthews, MD · NPI 1841428307
Orthopaedic Surgery physician in Fremont, California. Individual provider, active in the CMS NPPES registry since June 23, 2009.
## Identity
- **NPI:** 1841428307 (Entity type: Individual)
- **Enumerated:** June 23, 2009
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** A129231 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 39180 FARWELL DR STE 231, Fremont, CA 94538
- **Phone:** (510) 585-2545
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Sutter Bay Hospitals (NPI 1063812907, Castro Valley, CA); Monument Health Rapid City Hospital, Inc. (NPI 1255415246, Spearfish, SD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Missouri, Columbia School Of Medicine, class of 2009
## Record status
- **NPPES last updated:** February 11, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1841428307) · Data from the CMS NPPES public registry.