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

Michael Grinney, MD

Individual provider Emergency Medicine Physician · NPI 1972769198

Michael Grinney, MD is an Emergency Medicine in Jacksonville, Florida. Graduated from University of Wisconsin School of Medicine in 2004, 22 years ago. Practices with Mayo Clinic Jacksonville, a 1,581-clinician group and accepts Medicare assignment. Licensed in Florida.

Years since qualifying
22
Trained at
University of Wisconsin School of Medicine
Licensed in
FL
In the registry since
2008
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

4500 San Pablo Rd S
Jacksonville, FL 32224-1865
Phone: (904) 953-2000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence ME101581 (FL)

Record details

NPI number1972769198
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 7, 2008
Last updated in NPPESOctober 7, 2020
Certification dateOctober 7, 2020

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 2004 (22 years in practice)
Group practice Mayo Clinic Jacksonville — 1581 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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