Clifford Alan Greenberg, M.D.
Internal Medicine Physician · Naples, FL
Clifford Alan Greenberg, M.D. is an internal medicine physician with a practice address in Naples, Florida, and NPI 1366476632, issued on Jul 10, 2006. Check the license (Florida ME92387, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Clifford Alan Greenberg
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- ME92387 FL
Self-reported in NPPES; status is on the state search - Practice location
- 13324 Pond Apple Dr W, Naples, FL 34119
- Phone
- (239) 560-1655
- Enumerated
- Jul 10, 2006
- Record last updated
- Mar 7, 2025
- Fax
- (239) 471-0763
- Medicaid ID
- 01459058 NY
- Medicare enrollment
- Enrolled (PECOS I20070529000578); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 10,151 in Florida → Look up another NPI →
Verify Clifford Alan Greenberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME92387Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average internal medicine physician in 2024
10,632 Medicare Part D claims for 425 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 329 claims were for opioids.
Most prescribed
- Atorvastatin Calcium455 claims
- Eliquis411 claims
- Levothyroxine Sodium376 claims
- Furosemide318 claims
- Amlodipine Besylate294 claims
- Trazodone Hcl270 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Clifford Alan Greenberg among 10,151 internal medicine physician records in Florida
Clifford Alan Greenberg, M.D. is one of 10,151 internal medicine physician records with a practice address in Florida. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 55% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1981 · median 2004 among the 6,606 with a school on file
- Record last updated2025 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
208 internal medicine physician records list a practice address in Naples
They are 208 of the 5,950 NPPES records with a practice address in Naples, and 10,151 internal medicine physician records in Florida.
All 10,151 in Florida → Every provider in Naples → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Arnold Alexander, M.DNaples, FL 341191780635201
- Manuel Delsol, MDNaples, FL 341191649278946
- Charlene Deluca, MDNaples, FL 341191093748279
- Nena Korunda, MDNaples, FL 341191154372399
- Betty Kupracz, MDNaples, FL 341191043315203
- Fritz Lemoine, M.D.Naples, FL 341191639251309
- Ida Mazzone, MDNaples, FL 341191043267644
- Jozsef Piri, MDNaples, FL 341191457392185
Common questions
What is Clifford Alan Greenberg, M.D.'s NPI number?
Clifford Alan Greenberg, M.D.'s National Provider Identifier (NPI) is 1366476632, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Clifford Alan Greenberg, M.D. located?
The NPPES record lists a practice address at 13324 Pond Apple Dr W, Naples, FL, 34119. Phone: (239) 560-1655. Providers update this record themselves, so call before visiting.
How can I verify Clifford Alan Greenberg, M.D.'s license?
NPPES lists Florida license number ME92387, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Clifford Alan Greenberg, M.D. prescribe under Medicare Part D?
In 2024, Clifford Alan Greenberg, M.D. had 10,632 Medicare Part D claims for 425 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Clifford Alan Greenberg, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.