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

Dr. Ronald Benjamin Collins Jr., MD

Individual provider Internal Medicine Physician · NPI 1851592018

Dr. Ronald Benjamin Collins Jr., MD is an Internal Medicine in Oskaloosa, Iowa. Qualified in 2004, 22 years ago. Practices with Mahaska County Hospital, a 124-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Iowa and Illinois.

Years since qualifying
22
Licensed in
IA, IL
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1229 C Ave E
Oskaloosa, IA 52577-4298
Phone: (641) 672-3394
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 210 4th Ave, Grinnell, IA 50112-1898 — (641) 236-2382

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 39422 (IA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 125050346 (IL)

Record details

NPI number1851592018
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 29, 2007
Last updated in NPPESJanuary 28, 2026
Certification dateJanuary 28, 2026

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Group practice Mahaska County Hospital — 124 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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