Greg J. Jun, MD
Internal Medicine Physician · The Villages, FL
Greg J. Jun, MD is an internal medicine physician with a practice address in The Villages, Florida, and NPI 1043212780, issued on Aug 12, 2005. Check the license (Florida ME144859, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Greg J. Jun
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- ME144859 FL
036-105927 IL
Self-reported in NPPES; status is on the state search - Practice location
- 779 Kristine Way, The Villages, FL 32163
- Phone
- (352) 674-6020
- Enumerated
- Aug 12, 2005
- Record last updated
- Aug 15, 2025
- Fax
- (352) 674-6030
- Medicare enrollment
- Enrolled (PECOS I20200506000835); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 1997
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 10,151 in Florida → Look up another NPI →
Also registered at 779 Kristine Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Greg J. Jun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME144859Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average internal medicine physician in 2024
7,548 Medicare Part D claims for 694 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. 70 claims were for opioids.
Most prescribed
- Atorvastatin Calcium691 claims
- Levothyroxine Sodium429 claims
- Amlodipine Besylate356 claims
- Rosuvastatin Calcium354 claims
- Lisinopril304 claims
- Losartan Potassium288 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.
Industry payments in 2024: $276.49
2 payments; by number, the most common kind was food and beverage; the largest payer was Edwards Lifesciences Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Centerwell Senior Primary Care Vitality IncThe Villages, FL
- Legacy Healthcare Services IncThe Villages, FL
- The Villages Health System LLCThe Villages, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Greg J. Jun among 10,151 internal medicine physician records in Florida
Greg J. Jun, MD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1997 · 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).
79 internal medicine physician records list a practice address in The Villages
They are 79 of the 1,011 NPPES records with a practice address in The Villages, and 10,151 internal medicine physician records in Florida.
All 10,151 in Florida → Every provider in The Villages → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Laura Cloukey, M.D.The Villages, FL 321631538158423
- Lauren Hana, MDThe Villages, FL 321631477650141
- Ronald Herb, DOThe Villages, FL 321631487620209
- Ujjwala Jain, MDThe Villages, FL 321631013598978
- Swati Joshi, D.OThe Villages, FL 321631144566001
- Fred Kaplan, M.D.The Villages, FL 321631306948252
- Joanne Kitson, MDThe Villages, FL 321631124092374
- Miguel Mantilla-Villamizar, MDThe Villages, FL 321631063864346
Common questions
What is Greg J. Jun, MD's NPI number?
Greg J. Jun, MD's National Provider Identifier (NPI) is 1043212780, issued on Aug 12, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Greg J. Jun, MD located?
The NPPES record lists a practice address at 779 Kristine Way, The Villages, FL, 32163. Phone: (352) 674-6020. Providers update this record themselves, so call before visiting.
How can I verify Greg J. Jun, MD's license?
NPPES lists Florida license number ME144859, 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 Greg J. Jun, MD prescribe under Medicare Part D?
In 2024, Greg J. Jun, MD had 7,548 Medicare Part D claims for 694 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.