Ronnie Alas, M.D.
NPI 1306267026 · Internal Medicine Physician · Santa Ana, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronnie Alas, M.D. is a Internal Medicine Physician provider in Santa Ana, CA (NPI 1306267026).
Provider details
- NPI number
- 1306267026
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A132456 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 1665 Scenic AveCosta Mesa, CA 92626-1445Phone: (714) 436-4444
Registry dates
- Enumerated
- 2013-12-23
- Last updated
- 2025-12-02
- Certified
- 2025-12-02
Frequently asked questions
- What is Ronnie Alas's NPI number?
- Ronnie Alas's National Provider Identifier (NPI) is 1306267026, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronnie Alas's specialty?
- Ronnie Alas is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ronnie Alas located?
- Ronnie Alas's practice location on file with NPPES is 3501 S Harbor Blvd, Santa Ana, CA 92704-6919.
- What is Ronnie Alas's phone number?
- The practice phone number listed in the NPPES registry for Ronnie Alas is (714) 929-2300.
- Does Ronnie Alas accept Medicare?
- Ronnie Alas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ronnie Alas's NPI active?
- Yes — Ronnie Alas's NPI (1306267026) is active in the NPPES registry as of the last update on 2025-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.