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

John Grezaffi Jr., MD

Individual provider Diagnostic Radiology Physician · NPI 1659575173

John Grezaffi Jr., MD is a Diagnostic Radiology in Baton Rouge, Louisiana. Graduated from Louisiana State University School of Medicine in New Orleans in 2005, 21 years ago. Practices with Neuromedical Center, a 113-clinician group and accepts Medicare assignment. Licensed in Louisiana.

Years since qualifying
21
Trained at
Louisiana State University School of Medicine in New Orleans
Licensed in
LA
In the registry since
2007
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

7887 Picardy Ave
Baton Rouge, LA 70809-3534
Phone: (225) 763-4341
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 204408 (LA)

Record details

NPI number1659575173
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 11, 2007
Last updated in NPPESMarch 21, 2017
Mailing address7887 Picardy Ave, Baton Rouge, LA 70809-3534

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolLOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN NEW ORLEANS
Graduated 2005 (21 years in practice)
Group practice Neuromedical Center — 113 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations10 on file with Medicare

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