Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Johannes Karl Martensson, MD

Individual provider Gastroenterology Physician · NPI 1417954298

Johannes Karl Martensson, MD is a Gastroenterology in Inverness, Florida. Qualified in 1975, 51 years ago. Accepts Medicare assignment and offers telehealth. Licensed in Florida.

Years since qualifying
51
Licensed in
FL
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3653 E Forest Dr
Inverness, FL 34453-0787
Phone: (352) 344-8080
Fax: (352) 344-0631
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence ME71187 (FL)

Record details

NPI number1417954298
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 7, 2005
Last updated in NPPESSeptember 5, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 1975 (51 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Inverness