DR. RONNIE ALAS M.D.
NPI 1306267026
Internal Medicine in Santa Ana, CA
About Dr. Ronnie Alas M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RONNIE ALAS M.D. (NPI 1306267026) is an individual internal medicine provider in Santa Ana, California, licensed in California (A132456) and active in the NPI registry since December 2013. He is enrolled in Medicare PECOS, maintains a secondary practice location in Costa Mesa, and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Ronnie Alas 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
5Medicare enrollment records show Ronnie Alas reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tustin, CA 92780
- Reassigned Medicare billing, California enrollment
- 2,052 clinicians in this Medicare group
Los Alamitos, CA 90720
- Reassigned Medicare billing, California enrollment
- 228 clinicians in this Medicare group
Laguna Hills, CA 92653
- Reassigned Medicare billing, California enrollment
- 86 clinicians in this Medicare group
Fontana, CA 92335
- Reassigned Medicare billing, California enrollment
- 149 clinicians in this Medicare group
Redlands, CA 92373
- Reassigned Medicare billing, California enrollment
- 635 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 92704 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 14
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 Ronnie Alas's NPI number?
The NPI number for Ronnie Alas is 1306267026. It was assigned to this individual provider in the NPPES registry on December 23, 2013.
Where is Ronnie Alas located?
Ronnie Alas practices at 3501 S Harbor Blvd, Santa Ana, CA 92704. The listed phone number is (714) 929-2300.
What is Ronnie Alas's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Ronnie Alas enrolled in Medicare?
Yes. Ronnie Alas 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 Ronnie Alas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ronnie Alas reassigns Medicare benefits to 5 organizations: Healthcare Partners Affiliates Medical Group (Tustin, CA), Centers For Family Medicine Gp (Los Alamitos, CA), Saddleback Medical Group Inc (Laguna Hills, CA), Pinnacle Medical Group, Inc (Fontana, CA) and Beaver Medical Group P C (Redlands, 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 Ronnie Alas'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 Ronnie Alas was last updated on December 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Dr. Ronnie Alas, M.D. · NPI 1306267026
Internal Medicine physician in Santa Ana, California. Individual provider, active in the CMS NPPES registry since December 23, 2013.
## Identity
- **NPI:** 1306267026 (Entity type: Individual)
- **Enumerated:** December 23, 2013
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A132456 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3501 S HARBOR BLVD, Santa Ana, CA 92704-6919
- **Phone:** (714) 929-2300
## 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): Healthcare Partners Affiliates Medical Group (NPI 1891981502, Tustin, CA); Centers For Family Medicine Gp (NPI 1467598243, Los Alamitos, CA); Saddleback Medical Group Inc (NPI 1386605822, Laguna Hills, CA); Pinnacle Medical Group, Inc (NPI 1376876912, Fontana, CA); Beaver Medical Group P C (NPI 1649503319, Redlands, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** December 2, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1306267026) · Data from the CMS NPPES public registry.