Jennifer Nielsen Hart, M.D.
Internal Medicine Physician · New Orleans, LA
Jennifer Nielsen Hart, M.D. is an internal medicine physician with a practice address in New Orleans, Louisiana, and NPI 1659490217, issued on Mar 28, 2007. Check the license (Louisiana 019892, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Jennifer Nielsen Hart
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 019892 LA
Self-reported in NPPES; status is on the state search - Practice location
- 1450 Poydras St, New Orleans, LA 70112
- Phone
- (504) 903-1084
- Enumerated
- Mar 28, 2007
- Record last updated
- Feb 2, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (504) 903-5164
- Medicaid ID
- 1966258 LA
- Medicare enrollment
- Enrolled (PECOS I20100916000891); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In New Orleans, 1988
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,749 in Louisiana → Look up another NPI →
Also registered at 1450 Poydras St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jennifer Nielsen Hart in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 019892Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
127 Medicare Part D claims for 39 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Hydrochlorothiazide13 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 88.1 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).
Industry payments in 2024: $29.88
2 payments; by number, the most common kind was food and beverage; the largest payer was Dexcom, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Louisiana State University School OF Medicine IN New Orleans Faculty GNew Orleans, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jennifer Nielsen Hart among 1,749 internal medicine physician records in Louisiana
Jennifer Nielsen Hart, M.D. is one of 1,749 internal medicine physician records with a practice address in Louisiana. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 42% of them.
- NPI issued2007 · 42% of these records are older, 50% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1988 · median 2008 among the 1,216 with a school on file
- Record last updated2009 · 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 207R00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
392 internal medicine physician records list a practice address in New Orleans
They are 392 of the 13,668 NPPES records with a practice address in New Orleans, and 1,749 internal medicine physician records in Louisiana.
All 1,749 in Louisiana → Every provider in New Orleans → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Alys Alper, MDNew Orleans, LA 701121376634196
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- Michelle Guidry, M. D.New Orleans, LA 701121912944927
- Catherine Hebert, MDNew Orleans, LA 701121427071463
- William Imsais, MDNew Orleans, LA 701121770548349
- Michael Landry, MDNew Orleans, LA 701121053413203
- Susan Lewis Abdalian, M.D.New Orleans, LA 701121033200969
Common questions
What is Jennifer Nielsen Hart, M.D.'s NPI number?
Jennifer Nielsen Hart, M.D.'s National Provider Identifier (NPI) is 1659490217, issued on Mar 28, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer Nielsen Hart, M.D. located?
The NPPES record lists a practice address at 1450 Poydras St, New Orleans, LA, 70112. Phone: (504) 903-1084. Providers update this record themselves, so call before visiting.
How can I verify Jennifer Nielsen Hart, M.D.'s license?
NPPES lists Louisiana license number 019892, 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 Jennifer Nielsen Hart, M.D. prescribe under Medicare Part D?
In 2024, Jennifer Nielsen Hart, M.D. had 127 Medicare Part D claims for 39 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Jennifer Nielsen Hart, M.D.'s MIPS final score?
The 2023 MIPS final score is 88.1 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.