Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Mr. Dominic Ondieki Abuya, FNP-BC

Individual provider Family Nurse Practitioner · NPI 1053984609

Mr. Dominic Ondieki Abuya, FNP-BC is a Nurse Practitioner in Grand Rapids, Michigan. Qualified in 2020, 6 years ago. Practices with Theoria Medical, a 342-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
6
Licensed in
MI
In the registry since
2021
What do these letters mean?
FNP-BC — Family Nurse Practitioner, Board Certified
A family nurse practitioner certified by the ANCC.

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Practice location Address checks out

145 Michigan St NE Ste 3410
Grand Rapids, MI 49503-2563
Phone: (616) 391-9945
Show map & directions

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

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 4704301890 (MI)

Record details

NPI number1053984609
Entity typeIndividual (Type 1)
GenderMale
Credentials FNP-BC
Sole proprietorNo
NPI enumeratedJuly 21, 2021
Last updated in NPPESDecember 3, 2021
Certification dateDecember 3, 2021

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Theoria Medical — 342 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients54
Services billed 133 a service is one billed item, such as a visit, a test or a procedure
Average patient age76

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Colleagues at Theoria Medical

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 342 clinicians in the practice; 12 are shown here.

Other providers in Grand Rapids