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

Individual provider Internal Medicine Physician · NPI 1366054009

Dr. Collins C Onwuka, MD is an Internal Medicine in Waterbury, Connecticut. Qualified in 2009, 17 years ago. Practices with Hospitalist Medicine Physicians of Connecticut LLC, a 36-clinician group and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
17
Licensed in
CT
In the registry since
2020
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

160 Robbins St
Waterbury, CT 06708-2652
Phone: (203) 573-7284
Fax: (203) 573-7031
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 73005 (CT)

Record details

NPI number1366054009
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 22, 2020
Last updated in NPPESNovember 27, 2023
Certification dateNovember 27, 2023

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice Hospitalist Medicine Physicians Of Connecticut Llc — 36 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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