JOHN KNIGHT M.D.
NPI 1558310938
Orthopaedic Surgery in Walnut Creek, CA
About John Knight M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN KNIGHT M.D. (NPI 1558310938) is an individual orthopaedic surgery provider in Walnut Creek, California, licensed in California (G40293) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Creighton University School Of Medicine (1978).
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
John Knight 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 John Knight reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 211 clinicians in this Medicare group
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 810 clinicians in this Medicare group
Walnut Creek, CA 94597
- Reassigned Medicare billing, California enrollment
- 650 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 94598 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.
WALNUT CREEK, CA 94598
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 John Knight's NPI number?
The NPI number for John Knight is 1558310938. It was assigned to this individual provider in the NPPES registry on May 10, 2006.
Where is John Knight located?
John Knight practices at 2405 Shadelands Dr, Walnut Creek, CA 94598. The listed phone number is (925) 939-8585.
What is John Knight's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is John Knight enrolled in Medicare?
Yes. John Knight 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 John Knight's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Knight reassigns Medicare benefits to 3 organizations: Golden State Orthopedics & Spine (Walnut Creek, CA), John Muir Trauma Physicians Billing Service (Walnut Creek, CA) and John Muir Physician Network (Walnut Creek, 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 John Knight'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 John Knight was last updated on September 16, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# John Knight, M.D. · NPI 1558310938
Orthopaedic Surgery physician in Walnut Creek, California. Individual provider, active in the CMS NPPES registry since May 10, 2006.
## Identity
- **NPI:** 1558310938 (Entity type: Individual)
- **Enumerated:** May 10, 2006
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** G40293 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2405 SHADELANDS DR, Walnut Creek, CA 94598-2444
- **Phone:** (925) 939-8585 · **Fax:** (925) 933-2709
## 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): Golden State Orthopedics & Spine (NPI 1972552990, Walnut Creek, CA); John Muir Trauma Physicians Billing Service (NPI 1962551861, Walnut Creek, CA); John Muir Physician Network (NPI 1841407665, Walnut Creek, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Creighton University School Of Medicine, class of 1978
## Record status
- **NPPES last updated:** September 16, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1558310938) · Data from the CMS NPPES public registry.