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

Dr. David A Oneill, DO

Individual provider Family Medicine Physician · NPI 1922092394

Dr. David A Oneill, DO is a Family Practice in Belleville, Illinois. Qualified in 1994, 32 years ago. Practices with Southern Illinois Healthcare Foundation Inc, a 118-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
32
Licensed in
IL
In the registry since
2005
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

311 W Lincoln St Ste 200
Belleville, IL 62220-1902
Phone: (618) 213-7943
Fax: (618) 213-7944
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 036095479 (IL)

Record details

NPI number1922092394
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedAugust 31, 2005
Last updated in NPPESAugust 16, 2024
Certification dateAugust 16, 2024
Mailing address311 W Lincoln St Ste 200, Belleville, IL 62220-1902

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 1994 (32 years in practice)
Group practice Southern Illinois Healthcare Foundation Inc — 118 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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