Marisa Johnson, MD - Medicare Internal Medicine in Shreveport, LA

Marisa Johnson, MD is a medicare enrolled "Internal Medicine - Nephrology" physician in Shreveport, Louisiana. Her current practice location is 1303 Line Ave, Ste 400, Shreveport, Louisiana. You can reach out to her office (for appointments etc.) via phone at (318) 221-2707.

Marisa Johnson is licensed to practice in Louisiana (license number MD.023908) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1083615520.

Contact Information

Marisa Johnson, MD
1303 Line Ave, Ste 400,
Shreveport, LA 71101-4628
(318) 221-2707
(313) 221-2709

Map and Direction




Physician's Profile

Full NameMarisa Johnson
GenderFemale
SpecialityInternal Medicine - Nephrology
Location1303 Line Ave, Shreveport, Louisiana
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1083615520
  • Provider Enumeration Date: 08/09/2005
  • Last Update Date: 09/06/2017
  Medicare PECOS Information:
  • PECOS PAC ID: 0143111641
  • Enrollment ID: I20220915001315

Medical Identifiers

Medical identifiers for Marisa Johnson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1083615520NPI-NPPES
146986802MedicaidTX
1487481MedicaidLA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RN0300XInternal Medicine - Nephrology L6967 (Texas)Secondary
207RN0300XInternal Medicine - Nephrology 023908 (Louisiana)Secondary
207RN0300XInternal Medicine - Nephrology MD.023908 (Louisiana)Primary

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. Marisa Johnson allows following entities to bill medicare on her behalf.
Entity NameRiverside Physician Services Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1194929026
PECOS PAC ID: 5092608448
Enrollment ID: O20040207000400

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. Marisa Johnson 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
Marisa Johnson, MD
1303 Line Ave, Ste 400,
Shreveport, LA 71101-4628

Ph: (318) 221-2707
Marisa Johnson, MD
1303 Line Ave, Ste 400,
Shreveport, LA 71101-4628

Ph: (318) 221-2707

Reviews and Comments


Internal Medicine Doctors in Shreveport, LA

Mansi Shah, D.O.
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Phone: 318-798-4515    Fax: 318-798-4530
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Practice Location: 1455 E Bert Kouns Loop, Shreveport, LA 71105
Phone: 318-798-4488    Fax: 318-798-4420
Sanjay Jain,
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Phone: 318-221-8411    
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Phone: 318-626-0000    
Venkateswara K Rao, M.D.,
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Medicare: Medicare Enrolled
Practice Location: 1501 Kings Hwy, Department Of Medicine, Shreveport, LA 71103
Phone: 318-675-5000    

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).

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