Marisa Johnson, MD
Nephrology Physician · Shreveport, LA
Marisa Johnson, MD is a nephrology physician with a practice address in Shreveport, Louisiana, and NPI 1083615520, issued on Aug 9, 2005. Check the license (Louisiana MD.023908, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Marisa Johnson
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- MD.023908 LA
023908 LA
L6967 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1303 Line Ave, Shreveport, LA 71101
- Phone
- (318) 221-2707
- Enumerated
- Aug 9, 2005
- Record last updated
- Sep 6, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (313) 221-2709
- Medicaid IDs
- 146986802 TX
1487481 LA - Medicare enrollment
- Enrolled (PECOS I20260528004188); accepts Medicare assignment
- Medical or professional school
- University Of Arkansas College Of Medicine, 1997
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 219 in Louisiana → Look up another NPI →
Also registered at 1303 Line Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joseph Franklin, PLPCCounselor1124739321
- Sarah Moreno, PLPCCounselor1366057846
Verify Marisa Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license MD.023908Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average nephrology physician in 2024
22 Medicare Part D claims for 19 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 80.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Marisa Johnson among 219 nephrology physician records in Louisiana
Marisa Johnson, MD is one of 219 nephrology physician records with a practice address in Louisiana. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 76% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated1997 · median 2001 among the 172 with a school on file
- Record last updated2017 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Louisiana
There are 219 nephrology physician records in Louisiana.
All 219 in Louisiana → Every provider in Shreveport → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Zulqarnain Abro, MDShreveport, LA 711011740465798
- Sreedhara Alla, M.D.Shreveport, LA 711011215155791
- Arnold Barz, MDShreveport, LA 711011710972559
- Cheng Chu, M.D.Shreveport, LA 711011578824058
- Abhijin Das, MBBSShreveport, LA 711011578870929
- Philip Garavaglia, MDShreveport, LA 711011477548030
- Srinivasa Iskapalli, MDShreveport, LA 711011114044468
- Robert McCoy, MDShreveport, LA 711011679560379
Common questions
What is Marisa Johnson, MD's NPI number?
Marisa Johnson, MD's National Provider Identifier (NPI) is 1083615520, issued on Aug 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Marisa Johnson, MD located?
The NPPES record lists a practice address at 1303 Line Ave, Shreveport, LA, 71101. Phone: (318) 221-2707. Providers update this record themselves, so call before visiting.
How can I verify Marisa Johnson, MD's license?
NPPES lists Louisiana license number MD.023908, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marisa Johnson, MD prescribe under Medicare Part D?
In 2024, Marisa Johnson, MD had 22 Medicare Part D claims for 19 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Marisa Johnson, MD's MIPS final score?
The 2023 MIPS final score is 80.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.