DR. TYLER ESPIRITU AYALIN M.D.
NPI 1124274915
Emergency Medicine in Orange, CA
About Dr. Tyler Espiritu Ayalin M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TYLER ESPIRITU AYALIN M.D. (NPI 1124274915) is an individual emergency medicine provider in Orange, California, licensed in California (A116574) and active in the NPI registry since August 2008. He is enrolled in Medicare PECOS and is a graduate of Other (2008).
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
Dr. Tyler Espiritu Ayalin M.d. 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 Tyler Ayalin 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
- 97 clinicians in this Medicare group
Chino Hills, CA 91709
- Reassigned Medicare billing, California enrollment
- 5,228 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 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.
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
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 Tyler Ayalin's NPI number?
The NPI number for Tyler Ayalin is 1124274915. It was assigned to this individual provider in the NPPES registry on August 12, 2008.
Where is Tyler Ayalin located?
Tyler Ayalin practices at 1010 W La Veta Ave Suite 755, Orange, CA 92868. The listed phone number is (714) 543-8911.
What is Tyler Ayalin's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Tyler Ayalin enrolled in Medicare?
Yes. Tyler Ayalin 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 Tyler Ayalin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tyler Ayalin reassigns Medicare benefits to 2 organizations: Emergency Medicine Specialists Of Orange County (Orange, CA) and Southern California Permanente Medical Group (Chino Hills, 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 Tyler Ayalin'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 Tyler Ayalin was last updated on April 9, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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. Tyler Espiritu Ayalin, M.D. · NPI 1124274915
Emergency Medicine physician in Orange, California. Individual provider, active in the CMS NPPES registry since August 12, 2008.
## Identity
- **NPI:** 1124274915 (Entity type: Individual)
- **Enumerated:** August 12, 2008
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A116574 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1010 W LA VETA AVE, SUITE 755, Orange, CA 92868-4300
- **Phone:** (714) 543-8911
## 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): Emergency Medicine Specialists Of Orange County (NPI 1740214733, Orange, CA); Southern California Permanente Medical Group (NPI 1396287082, Chino Hills, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** April 9, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1124274915) · Data from the CMS NPPES public registry.