MARK DANIEL THOMSON PT
NPI 1851596894
Physical Therapist - Orthopedic in San Diego, CA
About Mark Daniel Thomson Pt NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK DANIEL THOMSON PT (NPI 1851596894) is an individual orthopedic provider in San Diego, California, licensed in California (PT21333) and active in the NPI registry since June 2007. He is a graduate of Other (1995).
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
Mark Daniel Thomson Pt 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 Mark Thomson 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 92108
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Los Gatos, CA 95032
- Reassigned Medicare billing, California enrollment
- 1,388 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.
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 Thomson's NPI number?
The NPI number for Mark Thomson is 1851596894. It was assigned to this individual provider in the NPPES registry on June 19, 2007.
Where is Mark Thomson located?
Mark Thomson practices at 4650 Palm Ave, San Diego, CA 92154. The listed phone number is (619) 662-5288.
What is Mark Thomson's specialty?
The primary specialty registered for this NPI is Physical Therapist, specializing in Orthopedic, with taxonomy code 2251X0800X.
Is Mark Thomson enrolled in Medicare?
Yes. Mark Thomson 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 Mark Thomson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Thomson reassigns Medicare benefits to 2 organizations: Southern California Permanente Medical Group (San Diego, CA) and California Luna Care Physical Therapy PC (Los Gatos, 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 Thomson'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 Thomson was last updated on December 2, 2021. 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.
# Mark Daniel Thomson, PT · NPI 1851596894
Orthopedic provider in San Diego, California. Individual provider, active in the CMS NPPES registry since June 19, 2007.
## Identity
- **NPI:** 1851596894 (Entity type: Individual)
- **Enumerated:** June 19, 2007
- **Primary specialty:** Physical Therapist - Orthopedic · taxonomy 2251X0800X
- **State license:** PT21333 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4650 PALM AVE, San Diego, CA 92154-8404
- **Phone:** (619) 662-5288
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Southern California Permanente Medical Group (NPI 1023425972, San Diego, CA); California Luna Care Physical Therapy PC (NPI 1689162166, Los Gatos, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1995
## Record status
- **NPPES last updated:** December 2, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1851596894) · Data from the CMS NPPES public registry.