Ronald Collins, M.D.
NPI 1235176181 · Internal Medicine Physician · Downey, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronald Collins, M.D. is a Internal Medicine Physician provider in Downey, CA (NPI 1235176181).
Provider details
- NPI number
- 1235176181
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD-6143 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2006-05-31
- Last updated
- 2025-05-27
Frequently asked questions
- What is Ronald Collins's NPI number?
- Ronald Collins's National Provider Identifier (NPI) is 1235176181, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Collins's specialty?
- Ronald Collins is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Collins located?
- Ronald Collins's practice location on file with NPPES is 9449 Imperial Hwy, Downey, CA 90242-2814.
- What is Ronald Collins's phone number?
- The practice phone number listed in the NPPES registry for Ronald Collins is (562) 657-4060.
- Does Ronald Collins accept Medicare?
- Ronald Collins is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ronald Collins's NPI active?
- Yes — Ronald Collins's NPI (1235176181) is active in the NPPES registry as of the last update on 2025-05-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.