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

Clifford Alan Greenberg, MD

Individual provider Internal Medicine Physician · NPI 1366476632

Clifford Alan Greenberg, MD is an Internal Medicine in Naples, Florida. Qualified in 1981, 45 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Florida.

Years since qualifying
45
Licensed in
FL
In the registry since
2006
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

13324 Pond Apple Dr W
Naples, FL 34119-8556
Phone: (239) 560-1655
Fax: (239) 471-0763
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence ME92387 (FL)

Record details

NPI number1366476632
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 10, 2006
Last updated in NPPESMarch 7, 2025
Certification dateMarch 7, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1981 (45 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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