John Knight, M.D.
NPI 1558310938 · Orthopaedic Surgery Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Knight, M.D. is a Orthopaedic Surgery Physician provider in Walnut Creek, CA (NPI 1558310938).
Provider details
- NPI number
- 1558310938
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G40293 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-10
- Last updated
- 2020-09-16
- Certified
- 2020-09-16
Frequently asked questions
- What is John Knight's NPI number?
- John Knight's National Provider Identifier (NPI) is 1558310938, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Knight's specialty?
- John Knight is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is John Knight located?
- John Knight's practice location on file with NPPES is 2405 Shadelands Dr, Walnut Creek, CA 94598-2444.
- What is John Knight's phone number?
- The practice phone number listed in the NPPES registry for John Knight is (925) 939-8585.
- Does John Knight accept Medicare?
- John Knight is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Knight's NPI active?
- Yes — John Knight's NPI (1558310938) is active in the NPPES registry as of the last update on 2020-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.