Johannes Karl Martensson, MD - Medicare Gastroenterology in Inverness, FL

Johannes Karl Martensson, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Inverness, Florida. He graduated from medical school in 1975 and has 49 years of diverse experience with area of expertise as Gastroenterology. His current practice location is 3653 E Forest Dr, Inverness, Florida. You can reach out to his office (for appointments etc.) via phone at (352) 344-8080.

Johannes Karl Martensson is licensed to practice in Florida (license number ME71187) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1417954298.

Contact Information

Johannes Karl Martensson, MD
3653 E Forest Dr,
Inverness, FL 34453-0787
(352) 344-8080
(352) 344-0631

Map and Direction




Physician's Profile

Full NameJohannes Karl Martensson
GenderMale
SpecialityGastroenterology
Experience49 Years
Location3653 E Forest Dr, Inverness, Florida
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Johannes Karl Martensson graduated from medical school in 1975
  NPI Data:
  • NPI Number: 1417954298
  • Provider Enumeration Date: 07/07/2005
  • Last Update Date: 09/05/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 5597656967
  • Enrollment ID: I20100415000980

Medical Identifiers

Medical identifiers for Johannes Karl Martensson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1417954298NPI-NPPES
203499OtherFLAVMED HEALTH PLANS
76981OtherNYVYTRA HEALTH PLANS
MD984FLOtherAKALASKA MEDICAID
P2957611OtherFLOXFORD HEALTH PLANS
2158646OtherCAFIRST HEALTH
2900908OtherFLUNITED HEALTH CARE
32728OtherFLBCBS OF FLORIDA
6015923OtherNYGROUP HEALTH INCORPORATED
0250317OtherFLCIGNA HEALTHCARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology ME71187 (Florida)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Citrus Memorial HospitalInverness, FLHospital

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Johannes Karl Martensson allows following entities to bill medicare on his behalf.
Entity NameCitrus Gastroenterology Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1407853195
PECOS PAC ID: 4284654187
Enrollment ID: O20051206000651

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Johannes Karl Martensson is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Johannes Karl Martensson, MD
3653 E Forest Dr,
Inverness, FL 34453-0787

Ph: (352) 344-8080
Johannes Karl Martensson, MD
3653 E Forest Dr,
Inverness, FL 34453-0787

Ph: (352) 344-8080

Reviews and Comments


Internal Medicine Doctors in Inverness, FL

Dr. Dennis Fox, M.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 104 W Highland Blvd, Inverness, FL 34452
Phone: 352-726-4818    
Dr. Gira S Shah, M.D., P.A.
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Medicare: Medicare Enrolled
Practice Location: 203 S Seminole Ave, Inverness, FL 34452
Phone: 352-726-7800    Fax: 352-726-8300
Luis A Delfin, MD
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Medicare: Not Enrolled in Medicare
Practice Location: 308 W Highland Blvd, Inverness, FL 34452
Phone: 352-726-8353    Fax: 352-726-5038
Mr. Vikas Govind Kamat, MD
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 840 S Bea Ave, Inverness, FL 34452
Phone: 352-637-6300    Fax: 352-637-6487
Ramon Argenis Checo Arias, M.D.
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 502 W Highland Blvd, Inverness, FL 34452
Phone: 352-726-1551    
Dr. Syed Tanveer Akhter, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 401 N Central Ave, Inverness, FL 34453
Phone: 352-419-6526    Fax: 352-419-8966
Roshni Hira,
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 502 W Highland Blvd, Inverness, FL 34452
Phone: 352-726-1551    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.