Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Benjamin Fredrick Gruenbaum, MD, PHD

Individual provider Anesthesiology Physician · NPI 1184061749

Dr. Benjamin Fredrick Gruenbaum, MD, PHD is an Anesthesiology in Jacksonville, Florida. Qualified in 2013, 13 years ago. Practices with Mayo Clinic Jacksonville, a 1,581-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Connecticut and Florida.

Years since qualifying
13
Licensed in
CT, FL
In the registry since
2013
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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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.

Additional practice locations (2)

  • 20 York St, New Haven, CT 06510-3220 — (203) 785-2802
  • 20 York St # T-209, New Haven, CT 06510-3220 — (203) 789-3989

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence ME145904 (FL)
Anesthesiology Physician Taxonomy 207L00000X · Licence 056772 (CT)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1184061749
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedMay 22, 2013
Last updated in NPPESSeptember 30, 2020
Certification dateSeptember 30, 2020

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Mayo Clinic Jacksonville — 1581 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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