Maren Kristine Gregersen, MD
Neurology Physician · New Orleans, LA
Maren Kristine Gregersen, MD is a neurology physician with a practice address in New Orleans, Louisiana, and NPI 1598381220, issued on Jun 18, 2020. Check the license (Louisiana 346785, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Maren Kristine Gregersen
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License numbers
- 346785 LA
2024028369 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1514 Jefferson Hwy, New Orleans, LA 70121
- Phone
- (504) 842-4021
- Enumerated
- Jun 18, 2020
- Record last updated
- Sep 9, 2025
- Medicare enrollment
- Enrolled (PECOS I20250423002791); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 2020
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 242 in Louisiana → Look up another NPI →
Also registered at 1514 Jefferson Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alyson Abbas, CRNACertified Registered Nurse Anesthetist1568608909
- Ahmed AbdallahNephrology Physician1396449401
- Mohammed Abdelsalam, MDInternal Medicine Physician1922740190
- Freddy Abi-Samra, MDClinical Cardiac Electrophysiology Physician1346207354
- Fiyinfoluwa Abraham, MDGastroenterology Physician1487141636
- Tunde AbubakarStudent in an Organized Health Care Education/Training Program1487357307
Verify Maren Kristine Gregersen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 346785Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average neurology physician in 2024
145 Medicare Part D claims for 37 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.
Most prescribed
- Carbidopa-Levodopa27 claims
- Donepezil Hcl19 claims
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.
Bills Medicare through 2 group practices
- Ochsner Clinic LLCNew Orleans, LA
- Washington UniversitySaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maren Kristine Gregersen among 242 neurology physician records in Louisiana
Maren Kristine Gregersen, MD is one of 242 neurology physician records with a practice address in Louisiana. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 93% of them.
- NPI issued2020 · 93% of these records are older, 3% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2020 · median 2006 among the 179 with a school on file
- Record last updated2025 · 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 2084N0400X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Louisiana
There are 242 neurology physician records in Louisiana.
All 242 in Louisiana → Every provider in New Orleans → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Neil Billeaud, M.D.New Orleans, LA 701211811158637
- Elizabeth Bouldin, MDNew Orleans, LA 701211992762330
- Giuseppe Ciccotto, M.D., M.P.H.New Orleans, LA 701211275858540
- William Coplin, MDNew Orleans, LA 701211235177353
- Lauren Dunn, MDNew Orleans, LA 701211881038305
- Tiffany Eady, MD PHDNew Orleans, LA 701211649512435
- Daniel Larriviere, M.D.New Orleans, LA 701211881763415
- Georgia Lea, M.D.New Orleans, LA 701211558574897
Common questions
What is Maren Kristine Gregersen, MD's NPI number?
Maren Kristine Gregersen, MD's National Provider Identifier (NPI) is 1598381220, issued on Jun 18, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Maren Kristine Gregersen, MD located?
The NPPES record lists a practice address at 1514 Jefferson Hwy, New Orleans, LA, 70121. Phone: (504) 842-4021. Providers update this record themselves, so call before visiting.
How can I verify Maren Kristine Gregersen, MD's license?
NPPES lists Louisiana license number 346785, 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 Maren Kristine Gregersen, MD prescribe under Medicare Part D?
In 2024, Maren Kristine Gregersen, MD had 145 Medicare Part D claims for 37 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
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.