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

Dr. Nikko Thomas Sirdenis, MC

Individual provider Internal Medicine Physician · NPI 1568099661

Dr. Nikko Thomas Sirdenis, MC is an Internal Medicine in Grand Rapids, Michigan. Qualified in 2020, 6 years ago. Practices with Spectrum Health Primary Care Partners, a 2,303-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
6
Licensed in
MI
In the registry since
2020
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Practice location Address checks out

100 Michigan St NE
Grand Rapids, MI 49503-2560
Phone: (616) 391-3139
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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 4301509436 (MI)

Record details

NPI number1568099661
Entity typeIndividual (Type 1)
GenderMale
Credentials MC
Sole proprietorNo
NPI enumeratedMarch 26, 2020
Last updated in NPPESSeptember 6, 2023
Certification dateSeptember 6, 2023

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Spectrum Health Primary Care Partners — 2303 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Grand Rapids