Johann Martens, M.D.
NPI 1427090588 · Cardiovascular Disease Physician · Miami, FL
Johann Martens, M.D. is a Cardiovascular Disease Physician provider in Miami, FL (NPI 1427090588).
Provider details
- NPI number
- 1427090588
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- ME64341 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-12
- Last updated
- 2007-07-16
Frequently asked questions
- What is Johann Martens's NPI number?
- Johann Martens's National Provider Identifier (NPI) is 1427090588, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Johann Martens's specialty?
- Johann Martens is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Johann Martens located?
- Johann Martens's practice location on file with NPPES is 9200 Sunset Dr, Miami, FL 33173-3240.
- What is Johann Martens's phone number?
- The practice phone number listed in the NPPES registry for Johann Martens is (305) 412-8315.
- Is Johann Martens's NPI active?
- Yes — Johann Martens's NPI (1427090588) is active in the NPPES registry as of the last update on 2007-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.