Leon Gustav Rosenkranz, M.D.
Internal Medicine Physician · Sarasota, FL
Leon Gustav Rosenkranz, M.D. is an internal medicine physician with a practice address in Sarasota, Florida, and NPI 1033114483, issued on Jun 14, 2005. Check the license (Florida 123694, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Leon Gustav Rosenkranz
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 123694 FL
128439 NY
Self-reported in NPPES; status is on the state search - Practice location
- 435 S Gulfstream Ave, Sarasota, FL 34236
- Phone
- (718) 974-7518
- Enumerated
- Jun 14, 2005
- Record last updated
- Nov 13, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid ID
- 00319897 NY
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 10,151 in Florida → Look up another NPI →
Verify Leon Gustav Rosenkranz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license 123694Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average internal medicine physician in 2024
376 Medicare Part D claims for 15 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Eliquis46 claims
- Levothyroxine Sodium35 claims
- Amlodipine Besylate34 claims
- Januvia25 claims
- Atorvastatin Calcium24 claims
- Xarelto20 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.
Leon Gustav Rosenkranz among 10,151 internal medicine physician records in Florida
Leon Gustav Rosenkranz, 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 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 fileNo · 65% of these records are
- Record last updated2019 · 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).
216 internal medicine physician records list a practice address in Sarasota
They are 216 of the 6,548 NPPES records with a practice address in Sarasota, and 10,151 internal medicine physician records in Florida.
All 10,151 in Florida → Every provider in Sarasota → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Fred Bearison, MDSarasota, FL 342361174614853
- Paul Carter, M.D.Sarasota, FL 342361225037468
- Ronald Fisher, M.D.Sarasota, FL 342361609875780
- Arthur Geller, M.D.Sarasota, FL 342361144229220
- Maria Georgiev, M.D.Sarasota, FL 342361649279878
- Richard Goldman, M.D.Sarasota, FL 342361780683706
- James Griffith, M.D.Sarasota, FL 342361225037344
- Patricia Gussin, M.D.Sarasota, FL 342361902805153
Common questions
What is Leon Gustav Rosenkranz, M.D.'s NPI number?
Leon Gustav Rosenkranz, M.D.'s National Provider Identifier (NPI) is 1033114483, issued on Jun 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Leon Gustav Rosenkranz, M.D. located?
The NPPES record lists a practice address at 435 S Gulfstream Ave, Sarasota, FL, 34236. Phone: (718) 974-7518. Providers update this record themselves, so call before visiting.
How can I verify Leon Gustav Rosenkranz, M.D.'s license?
NPPES lists Florida license number 123694, 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 Leon Gustav Rosenkranz, M.D. prescribe under Medicare Part D?
In 2024, Leon Gustav Rosenkranz, M.D. had 376 Medicare Part D claims for 15 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.