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

Dr. Sheridan Nicole Markatos, MD

Individual provider Anesthesiology Physician · NPI 1215595574

Dr. Sheridan Nicole Markatos, MD is an Anesthesiology in Grand Rapids, Michigan. Graduated from Central Michigan College of Medicine in 2019, 7 years ago. Practices with Spectrum Health Primary Care Partners, a 2,303-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
7
Trained at
Central Michigan College of Medicine
Licensed in
MI
In the registry since
2019
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

100 Michigan St NE
Grand Rapids, MI 49503-2560
Phone: (616) 267-0250
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 4301511199 (MI)
Pediatric Anesthesiology Physician Taxonomy 207LP3000X · Licence 4301511199 (MI)

Record details

NPI number1215595574
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 3, 2019
Last updated in NPPESOctober 6, 2025
Certification dateOctober 6, 2025

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolCENTRAL MICHIGAN COLLEGE OF MEDICINE
Graduated 2019 (7 years in practice)
Group practice Spectrum Health Primary Care Partners — 2303 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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