EARL JASON MEJIA MD
NPI 1750818084
Hospitalist in Orange, CA
About Earl Jason Mejia Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EARL JASON MEJIA MD (NPI 1750818084) is an individual hospitalist provider in Orange, California, licensed in California (A171128) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS, maintains a secondary practice location in El Segundo, and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Earl Jason Mejia 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 Earl Mejia reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 250 clinicians in this Medicare group
Tustin, CA 92780
- Reassigned Medicare billing, California enrollment
- 2,052 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 92868 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
ORANGE, CA 92868
ORANGE, CA 92868
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 Earl Mejia's NPI number?
The NPI number for Earl Mejia is 1750818084. It was assigned to this individual provider in the NPPES registry on May 17, 2017.
Where is Earl Mejia located?
Earl Mejia practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (714) 456-8888.
What is Earl Mejia's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Earl Mejia enrolled in Medicare?
Yes. Earl Mejia 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 Earl Mejia's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Earl Mejia reassigns Medicare benefits to 2 organizations: The Regents Of The University Of California-Irvine (Orange, CA) and Healthcare Partners Affiliates Medical Group (Tustin, 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 Earl Mejia'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 Earl Mejia was last updated on June 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Earl Jason Mejia, MD · NPI 1750818084
Hospitalist physician in Orange, California. Individual provider, active in the CMS NPPES registry since May 17, 2017.
## Identity
- **NPI:** 1750818084 (Entity type: Individual)
- **Enumerated:** May 17, 2017
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** A171128 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 101 THE CITY DR S, Orange, CA 92868-3201
- **Phone:** (714) 456-8888
## 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): The Regents Of The University Of California-Irvine (NPI 1154479723, Orange, CA); Healthcare Partners Affiliates Medical Group (NPI 1891981502, Tustin, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** June 24, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1750818084) · Data from the CMS NPPES public registry.