MARK ANTHONY KNIGHT M.D.
NPI 1851573554
Psychiatry & Neurology - Child & Adolescent Psychiatry in San Diego, CA
About Mark Anthony Knight M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK ANTHONY KNIGHT M.D. (NPI 1851573554) is an individual child & adolescent psychiatry provider in San Diego, California, licensed in California (A94460) and active in the NPI registry since December 2007. He is enrolled in Medicare PECOS.
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 (PECOS)
Mark Anthony Knight M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Mark Knight reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92113
- Reassigned Medicare billing, California enrollment
- 1,100 clinicians in this Medicare group
Gardena, CA 90248
- Reassigned Medicare billing, California enrollment
- 375 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.
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.
SAN DIEGO, CA 92113
SAN DIEGO, CA 92113
SAN DIEGO, CA 92113
SAN DIEGO, CA 92113
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 Mark Knight's NPI number?
The NPI number for Mark Knight is 1851573554. It was assigned to this individual provider in the NPPES registry on December 4, 2007.
Where is Mark Knight located?
Mark Knight practices at 2204 National Ave, San Diego, CA 92113. The listed phone number is (619) 906-4648.
What is Mark Knight's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.
Is Mark Knight enrolled in Medicare?
Yes. Mark Knight is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mark Knight's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Knight reassigns Medicare benefits to 2 organizations: Family Health Centers Of San Diego, Inc. (San Diego, CA) and Ehab Yacoub MD Inc. (Gardena, 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 Mark 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 Mark Knight was last updated on August 24, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Mark Anthony Knight, M.D. · NPI 1851573554
Child & Adolescent Psychiatry physician in San Diego, California. Individual provider, active in the CMS NPPES registry since December 4, 2007.
## Identity
- **NPI:** 1851573554 (Entity type: Individual)
- **Enumerated:** December 4, 2007
- **Primary specialty:** Psychiatry & Neurology - Child & Adolescent Psychiatry · taxonomy 2084P0804X
- **State license:** A94460 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2204 NATIONAL AVE, San Diego, CA 92113-3615
- **Phone:** (619) 906-4648
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Family Health Centers Of San Diego, Inc. (NPI 1326231713, San Diego, CA); Ehab Yacoub MD Inc. (NPI 1417373713, Gardena, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 24, 2023
---
Source: [NPI Profile](https://npiprofile.com/npi/1851573554) · Data from the CMS NPPES public registry.