MATTHEW ALAN DEMAREST MD
NPI 1619546322
Emergency Medicine in Los Angeles, CA
About Matthew Alan Demarest Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MATTHEW ALAN DEMAREST MD (NPI 1619546322) is an individual emergency medicine provider in Los Angeles, California, licensed in California (A198598) and active in the NPI registry since June 2021. He is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (2021).
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
Matthew Alan Demarest 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
2Medicare enrollment records show Matthew Demarest reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Burbank, CA 91505
- Reassigned Medicare billing, California enrollment
- 51 clinicians in this Medicare group
Bakersfield, CA 93301
- Reassigned Medicare billing, California enrollment
- 200 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 90033 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.
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
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 Demarest's NPI number?
The NPI number for Matthew Demarest is 1619546322. It was assigned to this individual provider in the NPPES registry on June 18, 2021.
Where is Matthew Demarest located?
Matthew Demarest practices at 1200 N State St Clinic Tower, Suite A7d, Los Angeles, CA 90033. The listed phone number is (323) 409-7053.
What is Matthew Demarest's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Matthew Demarest enrolled in Medicare?
Yes. Matthew Demarest 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 Demarest's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Demarest reassigns Medicare benefits to 2 organizations: Burbank Emergency Medical Group Inc (Burbank, CA) and Pinnacle Emergency Physicians Of Bakersfield, A Professional Corp (Bakersfield, 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 Demarest'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 Demarest was last updated on February 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.
# Matthew Alan Demarest, MD · NPI 1619546322
Emergency Medicine physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since June 18, 2021.
## Identity
- **NPI:** 1619546322 (Entity type: Individual)
- **Enumerated:** June 18, 2021
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A198598 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1200 N STATE ST, CLINIC TOWER, SUITE A7D, Los Angeles, CA 90033-1029
- **Phone:** (323) 409-7053
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Burbank Emergency Medical Group Inc (NPI 1689636730, Burbank, CA); Pinnacle Emergency Physicians Of Bakersfield, A Professional Corp (NPI 1386980415, Bakersfield, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Southern California Keck School Of Medicine, class of 2021
## Record status
- **NPPES last updated:** February 18, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1619546322) · Data from the CMS NPPES public registry.