Johann Nicolaus Martens, M.D.
Cardiovascular Disease Physician · Miami, FL
Johann Nicolaus Martens, M.D. is a cardiovascular disease physician with a practice address in Miami, Florida, and NPI 1427090588, issued on Jun 12, 2006. Check the license (Florida ME64341, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Johann Nicolaus Martens
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- ME64341 FL
Self-reported in NPPES; status is on the state search - Practice location
- 9200 Sunset Dr, Miami, FL 33173
- Phone
- (305) 412-8315
- Enumerated
- Jun 12, 2006
- Record last updated
- Jul 16, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (305) 412-8936
- Medicaid ID
- 376936400 FL
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 1,946 in Florida → Look up another NPI →
Verify Johann Nicolaus Martens in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME64341Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
16 Medicare Part D claims, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Johann Nicolaus Martens among 1,946 cardiovascular disease physician records in Florida
Johann Nicolaus Martens, M.D. is one of 1,946 cardiovascular disease physician records with a practice address in Florida. 86% 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 21% of them.
- NPI issued2006 · 21% of these records are older, 38% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileNo · 73% of these records are
- Record last updated2007 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Florida
There are 1,946 cardiovascular disease physician records in Florida.
All 1,946 in Florida → Every provider in Miami → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Joaquin Diego, MDMiami, FL 331731154311264
- Theodore Feldman, M.D.Miami, FL 331731457390965
- Jonathan Fialkow, MDMiami, FL 331731538176557
- Roger Galvez, MDMiami, FL 331731881685931
- Juan Garcia, MDMiami, FL 331731255334991
- Hugo Garcia, MDMiami, FL 331731164412292
- Robert Kirstein, MDMiami, FL 331731275561250
- Jaime Llobet, MDMiami, FL 331731275561680
Common questions
What is Johann Nicolaus Martens, M.D.'s NPI number?
Johann Nicolaus Martens, M.D.'s National Provider Identifier (NPI) is 1427090588, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Johann Nicolaus Martens, M.D. located?
The NPPES record lists a practice address at 9200 Sunset Dr, Miami, FL, 33173. Phone: (305) 412-8315. Providers update this record themselves, so call before visiting.
How can I verify Johann Nicolaus Martens, M.D.'s license?
NPPES lists Florida license number ME64341, 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 Johann Nicolaus Martens, M.D. prescribe under Medicare Part D?
In 2024, Johann Nicolaus Martens, M.D. had 16 Medicare Part D claims; the average among cardiovascular disease physician prescribers was 3,078. 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.