Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Ronald Joseph Collins, MD

Individual provider Internal Medicine Physician · NPI 1235176181

Dr. Ronald Joseph Collins, MD is a General Practice in Downey, California. Qualified in 1985, 41 years ago. Practices with Santa Barbara County Auditor, a 98-clinician group and accepts Medicare assignment. Licensed in California and Hawaii.

Years since qualifying
41
Licensed in
CA, HI
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

9449 Imperial Hwy
Downey, CA 90242-2814
Phone: (562) 657-4060
Fax: (562) 657-2399
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A48184 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD-6143 (HI)

Record details

NPI number1235176181
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 31, 2006
Last updated in NPPESMay 27, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGENERAL PRACTICE
Medical schoolOTHER
Graduated 1985 (41 years in practice)
Group practice Santa Barbara County Auditor — 98 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations12 on file with Medicare

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