DR. MATTHEW MORRILL THOMAS MD
NPI 1922079110
Emergency Medicine in Encinitas, CA
About Dr. Matthew Morrill Thomas Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MATTHEW MORRILL THOMAS MD (NPI 1922079110) is an individual emergency medicine provider in Encinitas, California, licensed in California (A76430) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS and is a graduate of Columbia University College Of Physicians And Surgeons (2000).
NPPES Registry Identity
Specialties & Licenses 2
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. Matthew Morrill Thomas 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
5Medicare enrollment records show Matthew Thomas reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Encinitas, CA 92024
- Reassigned Medicare billing, California enrollment
- 47 clinicians in this Medicare group
Encinitas, CA 92024
- Reassigned Medicare billing, California enrollment
- 1,598 clinicians in this Medicare group
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 80 clinicians in this Medicare group
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 51 clinicians in this Medicare group
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 75 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 4
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 92024 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 2
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 Matthew Thomas's NPI number?
The NPI number for Matthew Thomas is 1922079110. It was assigned to this individual provider in the NPPES registry on January 27, 2006.
Where is Matthew Thomas located?
Matthew Thomas practices at 435 Santa Fe Dr Emergency Department, Encinitas, CA 92024. The listed phone number is (760) 633-7686.
What is Matthew Thomas's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Matthew Thomas enrolled in Medicare?
Yes. Matthew Thomas 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 Matthew Thomas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Thomas reassigns Medicare benefits to 5 organizations: Emergency Medicine Group Of Encinitas, Inc (Encinitas, CA), Scripps Health (Encinitas, CA), Emergency Services Medical Corporation (San Diego, CA), San Diego Emergency Physicians, Inc. (San Diego, CA) and Pacific Emergency Providers, A Prof. Corp. (San Diego, 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 Matthew Thomas'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 Matthew Thomas was last updated on September 18, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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. Matthew Morrill Thomas, MD · NPI 1922079110
Emergency Medicine physician in Encinitas, California. Individual provider, active in the CMS NPPES registry since January 27, 2006.
## Identity
- **NPI:** 1922079110 (Entity type: Individual)
- **Enumerated:** January 27, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A76430 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 435 SANTA FE DR, EMERGENCY DEPARTMENT, Encinitas, CA 92024-5134
- **Phone:** (760) 633-7686
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Emergency Medicine Group Of Encinitas, Inc (NPI 1902805179, Encinitas, CA); Scripps Health (NPI 1700829199, Encinitas, CA); Emergency Services Medical Corporation (NPI 1699725069, San Diego, CA); San Diego Emergency Physicians, Inc. (NPI 1194429233, San Diego, CA); Pacific Emergency Providers, A Prof. Corp. (NPI 1497790539, San Diego, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Columbia University College Of Physicians And Surgeons, class of 2000
## Record status
- **NPPES last updated:** September 18, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1922079110) · Data from the CMS NPPES public registry.