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

Roy Greengrass, MD

Individual provider Anesthesiology Physician · NPI 1699762989

Roy Greengrass, MD is an Anesthesiology in Jacksonville, Florida. Qualified in 1973, 53 years ago. Practices with Mayo Clinic Jacksonville, a 1,581-clinician group and accepts Medicare assignment. Licensed in Florida.

Years since qualifying
53
Licensed in
FL
In the registry since
2005
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

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence ME81530 (FL)

Record details

NPI number1699762989
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 1, 2005
Last updated in NPPESOctober 1, 2020
Certification dateOctober 1, 2020

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolOTHER
Graduated 1973 (53 years in practice)
Group practice Mayo Clinic Jacksonville — 1581 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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